From 4e78986e01833b8f5a91449e4532db3f2a34f7e9 Mon Sep 17 00:00:00 2001
From: rstacruz <rstacruz@users.noreply.github.com>
Date: Wed, 4 Aug 2021 12:58:17 +0000
Subject: [PATCH] =?UTF-8?q?Deploying=20to=20gh-pages=20from=20=20@=20e0379?=
 =?UTF-8?q?d3cb4299110d2a75a288c4334e297ec7ba7=20=F0=9F=9A=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 101.html                             | 12 +++---
 404.html                             | 10 ++---
 absinthe.html                        | 12 +++---
 activeadmin.html                     | 12 +++---
 adb.html                             | 12 +++---
 analytics.html                       | 12 +++---
 analytics.js.html                    | 12 +++---
 angularjs.html                       | 12 +++---
 animated_gif.html                    | 12 +++---
 ansi.html                            | 12 +++---
 ansible-examples.html                | 12 +++---
 ansible-guide.html                   | 12 +++---
 ansible-modules.html                 | 12 +++---
 ansible-roles.html                   | 12 +++---
 ansible.html                         | 12 +++---
 appcache.html                        | 12 +++---
 applescript.html                     | 12 +++---
 applinks.html                        | 12 +++---
 arel.html                            | 12 +++---
 atom.html                            | 12 +++---
 awesome-redux.html                   | 12 +++---
 awscli.html                          | 12 +++---
 backbone.html                        | 12 +++---
 bash.html                            | 12 +++---
 blessed.html                         | 12 +++---
 bluebird.html                        | 12 +++---
 bolt.html                            | 12 +++---
 bookshelf.html                       | 12 +++---
 bootstrap.html                       | 12 +++---
 browser-sync.html                    | 12 +++---
 browserify.html                      | 12 +++---
 bulma.html                           | 12 +++---
 bundler.html                         | 12 +++---
 c_preprocessor.html                  | 12 +++---
 camp.html                            | 12 +++---
 canvas.html                          | 12 +++---
 capybara.html                        | 12 +++---
 cask-index.html                      | 12 +++---
 chai.html                            | 12 +++---
 cheatsheet-styles.html               | 12 +++---
 chef.html                            | 12 +++---
 chunky_png.html                      | 12 +++---
 cidr.html                            | 12 +++---
 circle.html                          | 12 +++---
 co.html                              | 12 +++---
 command_line.html                    | 12 +++---
 commander.js.html                    | 12 +++---
 composer.html                        | 12 +++---
 cordova.html                         | 12 +++---
 cron.html                            | 12 +++---
 csharp7.html                         | 12 +++---
 css-antialias.html                   | 12 +++---
 css-flexbox.html                     | 12 +++---
 css-grid.html                        | 12 +++---
 css-system-font-stack.html           | 12 +++---
 css-tricks.html                      | 12 +++---
 css.html                             | 12 +++---
 cssnext.html                         | 12 +++---
 curl.html                            | 12 +++---
 data/search-index.json               |  2 +-
 datetime.html                        | 12 +++---
 deis.html                            | 12 +++---
 deku.html                            | 12 +++---
 deku@1.html                          | 12 +++---
 deprecated/bower-api.html            | 12 +++---
 devise.html                          | 12 +++---
 divshot.html                         | 12 +++---
 do.html                              | 12 +++---
 docker-compose.html                  | 12 +++---
 docker.html                          | 12 +++---
 dockerfile.html                      | 12 +++---
 dom-range.html                       | 12 +++---
 dom-selection.html                   | 12 +++---
 editorconfig.html                    | 12 +++---
 elixir-metaprogramming.html          | 12 +++---
 elixir.html                          | 12 +++---
 emacs.html                           | 12 +++---
 ember.html                           | 12 +++---
 emmet.html                           | 12 +++---
 enzyme.html                          | 12 +++---
 enzyme@2.html                        | 12 +++---
 es6.html                             | 12 +++---
 ets.html                             | 12 +++---
 expectjs.html                        | 12 +++---
 express.html                         | 12 +++---
 exunit.html                          | 12 +++---
 factory_bot.html                     | 12 +++---
 fastify.html                         | 12 +++---
 ffaker.html                          | 12 +++---
 ffmpeg.html                          | 12 +++---
 figlet.html                          | 12 +++---
 find.html                            | 12 +++---
 firebase.html                        | 12 +++---
 firefox.html                         | 12 +++---
 fish-shell.html                      | 12 +++---
 fitness/general.html                 | 12 +++---
 fitness/micronutrients.html          | 12 +++---
 fitness/phat.html                    | 12 +++---
 flashlight.html                      | 12 +++---
 flow.html                            | 12 +++---
 flux.html                            | 12 +++---
 flynn.html                           | 12 +++---
 freenode.html                        | 12 +++---
 frequency-separation-retouching.html | 12 +++---
 gh-pages.html                        | 12 +++---
 git-branch.html                      | 12 +++---
 git-extras.html                      | 12 +++---
 git-log-format.html                  | 12 +++---
 git-log.html                         | 12 +++---
 git-revisions.html                   | 12 +++---
 git-tricks.html                      | 12 +++---
 gnupg.html                           | 12 +++---
 go.html                              | 12 +++---
 goby.html                            | 12 +++---
 google-webfonts.html                 | 12 +++---
 google_analytics.html                | 12 +++---
 graphql.html                         | 12 +++---
 gremlins.html                        | 12 +++---
 gulp.html                            | 12 +++---
 haml.html                            | 12 +++---
 handlebars.js.html                   | 12 +++---
 harvey.js.html                       | 12 +++---
 heroku.html                          | 12 +++---
 hledger.html                         | 12 +++---
 homebrew.html                        | 12 +++---
 html-email.html                      | 12 +++---
 html-input.html                      | 12 +++---
 html-meta.html                       | 12 +++---
 html-microformats.html               | 12 +++---
 html-share.html                      | 12 +++---
 html.html                            | 12 +++---
 http-status.html                     | 12 +++---
 httpie.html                          | 12 +++---
 ie.html                              | 12 +++---
 ie_bugs.html                         | 12 +++---
 imagemagick.html                     | 12 +++---
 immutable.js.html                    | 12 +++---
 index.html                           | 10 ++---
 index@2016.html                      | 10 ++---
 inkscape.html                        | 12 +++---
 ios-provision.html                   | 12 +++---
 jasmine.html                         | 12 +++---
 jekyll-github.html                   | 12 +++---
 jekyll.html                          | 12 +++---
 jest.html                            | 12 +++---
 jquery-cdn.html                      | 12 +++---
 jquery.html                          | 12 +++---
 js-appcache.html                     | 12 +++---
 js-array.html                        | 12 +++---
 js-date.html                         | 12 +++---
 js-fetch.html                        | 12 +++---
 js-lazy.html                         | 12 +++---
 js-model.html                        | 12 +++---
 js-speech.html                       | 12 +++---
 jscoverage.html                      | 12 +++---
 jsdoc.html                           | 12 +++---
 jshint.html                          | 12 +++---
 knex.html                            | 12 +++---
 koa.html                             | 12 +++---
 kotlin.html                          | 12 +++---
 kramdown.html                        | 12 +++---
 layout-thrashing.html                | 12 +++---
 ledger-csv.html                      | 12 +++---
 ledger-examples.html                 | 12 +++---
 ledger-format.html                   | 12 +++---
 ledger-periods.html                  | 12 +++---
 ledger-query.html                    | 12 +++---
 ledger.html                          | 12 +++---
 less.html                            | 12 +++---
 licenses.html                        | 12 +++---
 linux.html                           | 62 ++++++++++++++++++++++++----
 lodash.html                          | 12 +++---
 lua.html                             | 12 +++---
 machinist.html                       | 12 +++---
 macos-mouse-acceleration.html        | 12 +++---
 make-assets.html                     | 12 +++---
 makefile.html                        | 12 +++---
 man.html                             | 12 +++---
 markdown.html                        | 12 +++---
 meow.html                            | 12 +++---
 meta-tags.html                       | 12 +++---
 middleman.html                       | 12 +++---
 minimist.html                        | 12 +++---
 minitest.html                        | 12 +++---
 mixpanel.html                        | 12 +++---
 mobx.html                            | 12 +++---
 mocha-blanket.html                   | 12 +++---
 mocha-html.html                      | 12 +++---
 mocha-tdd.html                       | 12 +++---
 mocha.html                           | 12 +++---
 modella.html                         | 12 +++---
 modernizr.html                       | 12 +++---
 moment.html                          | 12 +++---
 mysql.html                           | 12 +++---
 ncftp.html                           | 12 +++---
 nock.html                            | 12 +++---
 nocode.html                          | 12 +++---
 nodejs-assert.html                   | 12 +++---
 nodejs-fs.html                       | 12 +++---
 nodejs-path.html                     | 12 +++---
 nodejs-process.html                  | 12 +++---
 nodejs-stream.html                   | 12 +++---
 nodejs.html                          | 12 +++---
 nopt.html                            | 12 +++---
 npm.html                             | 12 +++---
 org-mode.html                        | 12 +++---
 osx.html                             | 12 +++---
 package-json.html                    | 12 +++---
 pacman.html                          | 12 +++---
 parsimmon.html                       | 12 +++---
 parsley.html                         | 12 +++---
 pass.html                            | 12 +++---
 passenger.html                       | 12 +++---
 perl-pie.html                        | 12 +++---
 ph-food-delivery.html                | 12 +++---
 phoenix-conn.html                    | 12 +++---
 phoenix-ecto.html                    | 12 +++---
 phoenix-ecto@1.2.html                | 12 +++---
 phoenix-migrations.html              | 12 +++---
 phoenix-routing.html                 | 12 +++---
 phoenix.html                         | 12 +++---
 phoenix@1.2.html                     | 12 +++---
 plantuml.html                        | 12 +++---
 pm2.html                             | 12 +++---
 polyfill.io.html                     | 12 +++---
 postgresql-json.html                 | 12 +++---
 postgresql.html                      | 12 +++---
 premailer.html                       | 12 +++---
 projectionist.html                   | 12 +++---
 promise.html                         | 12 +++---
 pry.html                             | 12 +++---
 psdrb.html                           | 12 +++---
 pug.html                             | 12 +++---
 python.html                          | 12 +++---
 qjs.html                             | 12 +++---
 qunit.html                           | 12 +++---
 rack-test.html                       | 12 +++---
 ractive.html                         | 12 +++---
 rails-controllers.html               | 12 +++---
 rails-forms.html                     | 12 +++---
 rails-helpers.html                   | 12 +++---
 rails-i18n.html                      | 12 +++---
 rails-migrations.html                | 12 +++---
 rails-models.html                    | 12 +++---
 rails-plugins.html                   | 12 +++---
 rails-routes.html                    | 12 +++---
 rails-tricks.html                    | 12 +++---
 rails.html                           | 12 +++---
 rake.html                            | 12 +++---
 rbenv.html                           | 12 +++---
 rdoc.html                            | 12 +++---
 react-router.html                    | 10 ++---
 react.html                           | 12 +++---
 react@0.14.html                      | 12 +++---
 redux.html                           | 12 +++---
 regexp.html                          | 12 +++---
 rename.html                          | 12 +++---
 resolutions.html                     | 12 +++---
 rest-api.html                        | 12 +++---
 riot.html                            | 10 ++---
 rollup.html                          | 12 +++---
 ronn.html                            | 12 +++---
 rspec-rails.html                     | 12 +++---
 rspec.html                           | 12 +++---
 rst.html                             | 12 +++---
 rsync.html                           | 12 +++---
 rtorrent.html                        | 12 +++---
 ruby.html                            | 12 +++---
 ruby21.html                          | 12 +++---
 rubygems.html                        | 12 +++---
 sass.html                            | 12 +++---
 saucelabs.html                       | 12 +++---
 scp.html                             | 12 +++---
 screen.html                          | 12 +++---
 sed.html                             | 12 +++---
 semver.html                          | 12 +++---
 sequel.html                          | 12 +++---
 sequelize.html                       | 12 +++---
 sh-pipes.html                        | 12 +++---
 shelljs.html                         | 12 +++---
 siege.html                           | 12 +++---
 simple_form.html                     | 12 +++---
 sinon-chai.html                      | 10 ++---
 sinon.html                           | 12 +++---
 sketch.html                          | 12 +++---
 slim.html                            | 12 +++---
 social-images.html                   | 12 +++---
 spacemacs.html                       | 12 +++---
 spine.html                           | 12 +++---
 spreadsheet.html                     | 12 +++---
 sql-join.html                        | 12 +++---
 stencil.html                         | 12 +++---
 stimulus-reflex.html                 | 12 +++---
 strftime.html                        | 12 +++---
 stylus.html                          | 12 +++---
 sublime-text.html                    | 12 +++---
 superagent.html                      | 12 +++---
 tabular.html                         | 12 +++---
 tape.html                            | 12 +++---
 textile.html                         | 12 +++---
 tig.html                             | 12 +++---
 tmux.html                            | 12 +++---
 tomdoc.html                          | 12 +++---
 top.html                             | 12 +++---
 travis.html                          | 12 +++---
 typescript.html                      | 12 +++---
 ubuntu.html                          | 12 +++---
 umdjs.html                           | 12 +++---
 underscore-string.html               | 12 +++---
 unicode.html                         | 12 +++---
 vagrant.html                         | 12 +++---
 vagrantfile.html                     | 12 +++---
 vainglory.html                       | 12 +++---
 vim-diff.html                        | 12 +++---
 vim-digraphs.html                    | 12 +++---
 vim-easyalign.html                   | 12 +++---
 vim-help.html                        | 12 +++---
 vim-rails.html                       | 12 +++---
 vim-unite.html                       | 12 +++---
 vim.html                             | 12 +++---
 vimscript-functions.html             | 12 +++---
 vimscript-snippets.html              | 12 +++---
 vimscript.html                       | 12 +++---
 virtual-dom.html                     | 12 +++---
 vows.html                            | 12 +++---
 vscode.html                          | 12 +++---
 vue.html                             | 12 +++---
 vue@1.0.28.html                      | 12 +++---
 watchexec.html                       | 12 +++---
 watchman.html                        | 12 +++---
 web-workers.html                     | 12 +++---
 webpack.html                         | 12 +++---
 weechat.html                         | 12 +++---
 weinre.html                          | 12 +++---
 wip/intl-datetime.html               | 12 +++---
 wip/php.html                         | 12 +++---
 xpath.html                           | 12 +++---
 yaml.html                            | 12 +++---
 yargs.html                           | 12 +++---
 yarn.html                            | 12 +++---
 znc.html                             | 12 +++---
 zombie.html                          | 12 +++---
 zsh.html                             | 12 +++---
 343 files changed, 2096 insertions(+), 2048 deletions(-)

diff --git a/101.html b/101.html
index 67845ede9..491a98be3 100644
--- a/101.html
+++ b/101.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/101.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/101.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/101.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/101.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "101 cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/101.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/101.jpg?t=20210804125746" ],
   "description": "One-page guide to 101: usage, examples, and more. 101 is a JavaScript library for dealing with immutable data in a functional manner."
 }
 </script>
@@ -706,7 +706,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/404.html b/404.html
index 0d2e11e75..2f52f19f8 100644
--- a/404.html
+++ b/404.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/404.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/404.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/404.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/404.jpg?t=20210804125746' property='twitter:image'>
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   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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@@ -170,7 +170,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/absinthe.html b/absinthe.html
index 4b16cb2af..bad5c599e 100644
--- a/absinthe.html
+++ b/absinthe.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/absinthe.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/absinthe.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/absinthe.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/absinthe.jpg?t=20210804125746' property='twitter:image'>
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   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Absinthe cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/absinthe.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/absinthe.jpg?t=20210804125746" ],
   "description": "One-page guide to Absinthe: usage, examples, and more. Absinthe allows you to write GraphQL servers in Elixir."
 }
 </script>
@@ -573,7 +573,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/activeadmin.html b/activeadmin.html
index 5c9325afb..8c2f70ff0 100644
--- a/activeadmin.html
+++ b/activeadmin.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/activeadmin.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/activeadmin.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/activeadmin.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/activeadmin.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "ActiveAdmin cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/activeadmin.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/activeadmin.jpg?t=20210804125746" ],
   "description": "The one-page guide to ActiveAdmin: usage, examples, links, snippets, and more."
 }
 </script>
@@ -566,7 +566,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/adb.html b/adb.html
index dfcbf2555..4cd5c9513 100644
--- a/adb.html
+++ b/adb.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/adb.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/adb.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/adb.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/adb.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "adb (Android Debug Bridge) cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/adb.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/adb.jpg?t=20210804125746" ],
   "description": "The one-page guide to adb (Android Debug Bridge): usage, examples, links, snippets, and more."
 }
 </script>
@@ -666,7 +666,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/analytics.html b/analytics.html
index dbb2568d9..93dc0917f 100644
--- a/analytics.html
+++ b/analytics.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/analytics.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/analytics.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/analytics.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/analytics.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Analytics libraries cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/analytics.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/analytics.jpg?t=20210804125746" ],
   "description": "The one-page guide to Analytics libraries: usage, examples, links, snippets, and more."
 }
 </script>
@@ -458,7 +458,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/analytics.js.html b/analytics.js.html
index 6bdba57b3..015cb193c 100644
--- a/analytics.js.html
+++ b/analytics.js.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/analytics.js.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/analytics.js.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/analytics.js.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/analytics.js.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Google Analytics's analytics.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/analytics.js.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/analytics.js.jpg?t=20210804125746" ],
   "description": "One-page guide to Google Analytics's analytics.js: usage, examples, and more. Google Analytics’s analytics.js is deprecated."
 }
 </script>
@@ -471,7 +471,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/angularjs.html b/angularjs.html
index 39db74f96..da0791a90 100644
--- a/angularjs.html
+++ b/angularjs.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/angularjs.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/angularjs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/angularjs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/angularjs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Angular.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/angularjs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/angularjs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Angular.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/animated_gif.html b/animated_gif.html
index 1c81c1800..232e5a77a 100644
--- a/animated_gif.html
+++ b/animated_gif.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/animated_gif.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/animated_gif.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/animated_gif.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/animated_gif.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Animated GIFs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/animated_gif.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/animated_gif.jpg?t=20210804125746" ],
   "description": "The one-page guide to Animated GIFs: usage, examples, links, snippets, and more."
 }
 </script>
@@ -513,7 +513,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ansi.html b/ansi.html
index 7df31b5fb..1ef44c6af 100644
--- a/ansi.html
+++ b/ansi.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ansi.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ansi.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ansi.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ansi.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Ansi codes cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ansi.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ansi.jpg?t=20210804125746" ],
   "description": "One-page guide to Ansi codes: usage, examples, and more. Quick reference to ANSI color codes."
 }
 </script>
@@ -539,7 +539,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ansible-examples.html b/ansible-examples.html
index 9ef12e31f..74ca43e4c 100644
--- a/ansible-examples.html
+++ b/ansible-examples.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ansible-examples.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ansible-examples.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ansible-examples.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ansible-examples.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Ansible examples cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ansible-examples.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ansible-examples.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ansible examples: usage, examples, links, snippets, and more."
 }
 </script>
@@ -471,7 +471,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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+  "image": [ "https://assets.devhints.io/previews/ansible-guide.jpg?t=20210804125746" ],
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diff --git a/ansible-modules.html b/ansible-modules.html
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+  "image": [ "https://assets.devhints.io/previews/ansible-modules.jpg?t=20210804125746" ],
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diff --git a/ansible-roles.html b/ansible-roles.html
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+  "image": [ "https://assets.devhints.io/previews/ansible-roles.jpg?t=20210804125746" ],
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diff --git a/ansible.html b/ansible.html
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+  "image": [ "https://assets.devhints.io/previews/ansible.jpg?t=20210804125746" ],
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diff --git a/appcache.html b/appcache.html
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+  "image": [ "https://assets.devhints.io/previews/appcache.jpg?t=20210804125746" ],
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+  "image": [ "https://assets.devhints.io/previews/applescript.jpg?t=20210804125746" ],
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diff --git a/applinks.html b/applinks.html
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+  "image": [ "https://assets.devhints.io/previews/applinks.jpg?t=20210804125746" ],
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diff --git a/arel.html b/arel.html
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+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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   },
   "headline": "Arel cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/arel.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/arel.jpg?t=20210804125746" ],
   "description": "The one-page guide to Arel: usage, examples, links, snippets, and more."
 }
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diff --git a/atom.html b/atom.html
index faef0eaf5..aba3fb61e 100644
--- a/atom.html
+++ b/atom.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/atom.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/atom.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/atom.jpg?t=20210804125746' property='twitter:image'>
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+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Atom cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/atom.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/atom.jpg?t=20210804125746" ],
   "description": "The one-page guide to Atom: usage, examples, links, snippets, and more."
 }
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diff --git a/awesome-redux.html b/awesome-redux.html
index 7d8a91f0d..efd4be4bf 100644
--- a/awesome-redux.html
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-  <meta content='https://assets.devhints.io/previews/awesome-redux.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/awesome-redux.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/awesome-redux.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Awesome Redux cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/awesome-redux.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/awesome-redux.jpg?t=20210804125746" ],
   "description": "The one-page guide to Awesome Redux: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/awscli.html b/awscli.html
index 394332b14..e74e19677 100644
--- a/awscli.html
+++ b/awscli.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/awscli.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/awscli.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/awscli.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "AWS CLI cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/awscli.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/awscli.jpg?t=20210804125746" ],
   "description": "The one-page guide to AWS CLI: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/backbone.html b/backbone.html
index a956a6250..2e33ef6c4 100644
--- a/backbone.html
+++ b/backbone.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/backbone.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/backbone.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/backbone.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Backbone.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/backbone.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/backbone.jpg?t=20210804125746" ],
   "description": "The one-page guide to Backbone.js: usage, examples, links, snippets, and more."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/bash.html b/bash.html
index a5e89273b..4dfcb6391 100644
--- a/bash.html
+++ b/bash.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/bash.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/bash.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bash.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bash.jpg?t=20210804125746' property='twitter:image'>
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@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Bash scripting cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bash.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bash.jpg?t=20210804125746" ],
   "description": "Variables · Functions · Interpolation · Brace expansions · Loops · Conditional execution · Command substitution · One-page guide to Bash scripting"
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/blessed.html b/blessed.html
index 17142e4c9..d8b74d6ba 100644
--- a/blessed.html
+++ b/blessed.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/blessed.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/blessed.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/blessed.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   },
   "headline": "Blessed cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/blessed.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/blessed.jpg?t=20210804125746" ],
   "description": "The one-page guide to Blessed: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/bluebird.html b/bluebird.html
index a0a0ae6e0..01aceffb4 100644
--- a/bluebird.html
+++ b/bluebird.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/bluebird.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bluebird.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bluebird.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   },
   "headline": "bluebird.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bluebird.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bluebird.jpg?t=20210804125746" ],
   "description": "The one-page guide to bluebird.js: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/bolt.html b/bolt.html
index 68e315e23..603b8f0a2 100644
--- a/bolt.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/bolt.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bolt.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bolt.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Bolt Quickstart cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bolt.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bolt.jpg?t=20210804125746" ],
   "description": "A quick guide to getting started writing Bolt tasks · One-page guide to Bolt Quickstart"
 }
 </script>
@@ -434,7 +434,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/bookshelf.html b/bookshelf.html
index a66bece91..b269da57f 100644
--- a/bookshelf.html
+++ b/bookshelf.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/bookshelf.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/bookshelf.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bookshelf.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bookshelf.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Bookshelf.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bookshelf.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bookshelf.jpg?t=20210804125746" ],
   "description": "The one-page guide to Bookshelf.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/bootstrap.html b/bootstrap.html
index dbb546200..9a5b52cc4 100644
--- a/bootstrap.html
+++ b/bootstrap.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/bootstrap.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/bootstrap.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bootstrap.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bootstrap.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Bootstrap cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bootstrap.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bootstrap.jpg?t=20210804125746" ],
   "description": ".container .row .col-md-6, @screen-sm-min, .form-control, grids, .modal-content, tooltips, and other Bootstrap CSS examples. · One-page guide to Bootstrap"
 }
 </script>
@@ -622,7 +622,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-scss.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-haml.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-html.min.js'></script>
 
 
diff --git a/browser-sync.html b/browser-sync.html
index 45c6a8435..8b8669bfc 100644
--- a/browser-sync.html
+++ b/browser-sync.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/browser-sync.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/browser-sync.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/browser-sync.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/browser-sync.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Browsersync cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/browser-sync.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/browser-sync.jpg?t=20210804125746" ],
   "description": "The one-page guide to Browsersync: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/browserify.html b/browserify.html
index 6235dd5b0..b46c72b96 100644
--- a/browserify.html
+++ b/browserify.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/browserify.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/browserify.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/browserify.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/browserify.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Browserify cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/browserify.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/browserify.jpg?t=20210804125746" ],
   "description": "The one-page guide to Browserify: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/bulma.html b/bulma.html
index 6788c4c42..dd7e43a0b 100644
--- a/bulma.html
+++ b/bulma.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/bulma.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/bulma.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bulma.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bulma.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Bulma cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bulma.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bulma.jpg?t=20210804125746" ],
   "description": "Basic guide on how to use Bulma, the lightweight css flexbox framework. · One-page guide to Bulma"
 }
 </script>
@@ -652,7 +652,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-css.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-html.min.js'></script>
 
 
diff --git a/bundler.html b/bundler.html
index 7f02018a2..9c15d00d0 100644
--- a/bundler.html
+++ b/bundler.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/bundler.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/bundler.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/bundler.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/bundler.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Bundler cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/bundler.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/bundler.jpg?t=20210804125746" ],
   "description": "The one-page guide to Bundler: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/c_preprocessor.html b/c_preprocessor.html
index 12594d6c9..c9a9bec72 100644
--- a/c_preprocessor.html
+++ b/c_preprocessor.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "C Preprocessor cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/c_preprocessor.jpg?t=20210804125746" ],
   "description": "One-page guide to C Preprocessor: usage, examples, and more. Quick reference for the C macro preprocessor, which can be used independent of C/C++."
 }
 </script>
@@ -504,7 +504,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
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 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/camp.html b/camp.html
index 3b69cf98e..8cdac0dbf 100644
--- a/camp.html
+++ b/camp.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/camp.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/camp.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/camp.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/camp.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Camp cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/camp.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/camp.jpg?t=20210804125746" ],
   "description": "One-page guide to Camp: usage, examples, and more. Camp is a Node.js web server framework. This guide targets Camp v17.x."
 }
 </script>
@@ -600,7 +600,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/canvas.html b/canvas.html
index de70ce938..8b5147f44 100644
--- a/canvas.html
+++ b/canvas.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/canvas.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/canvas.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/canvas.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/canvas.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Canvas cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/canvas.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/canvas.jpg?t=20210804125746" ],
   "description": "The one-page guide to Canvas: usage, examples, links, snippets, and more."
 }
 </script>
@@ -609,7 +609,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/capybara.html b/capybara.html
index 9737cf1d7..1f2b1f4b7 100644
--- a/capybara.html
+++ b/capybara.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/capybara.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/capybara.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/capybara.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/capybara.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Capybara cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/capybara.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/capybara.jpg?t=20210804125746" ],
   "description": "The one-page guide to Capybara: usage, examples, links, snippets, and more."
 }
 </script>
@@ -828,7 +828,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/cask-index.html b/cask-index.html
index a4077538c..72692a90c 100644
--- a/cask-index.html
+++ b/cask-index.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/cask-index.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/cask-index.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/cask-index.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/cask-index.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Caskroom index cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/cask-index.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/cask-index.jpg?t=20210804125746" ],
   "description": "The one-page guide to Caskroom index: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/chai.html b/chai.html
index b6df9e562..9812c84ed 100644
--- a/chai.html
+++ b/chai.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/chai.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/chai.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/chai.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/chai.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Chai.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/chai.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/chai.jpg?t=20210804125746" ],
   "description": "expect(x).to.be.equal(y) 〉 assert.equal(x, y) 〉 .to.be.true 〉 jQuery, assertions, TDD and BDD, and other Chai examples. · One-page guide to Chai.js"
 }
 </script>
@@ -652,7 +652,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/cheatsheet-styles.html b/cheatsheet-styles.html
index ea9d4f488..c8db5fb18 100644
--- a/cheatsheet-styles.html
+++ b/cheatsheet-styles.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Cheatsheet styles cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/cheatsheet-styles.jpg?t=20210804125746" ],
   "description": "One-page guide to Cheatsheet styles: usage, examples, and more. This is a reference of styles that you can use on Devhints cheatsheets. Howmeta!You can refer to this when contributing your own cheatsheets to the GitHub repo."
 }
 </script>
@@ -1045,7 +1045,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/chef.html b/chef.html
index 222164a75..7d9be15b1 100644
--- a/chef.html
+++ b/chef.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/chef.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/chef.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/chef.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Chef cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/chef.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/chef.jpg?t=20210804125746" ],
   "description": "The one-page guide to Chef: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/chunky_png.html b/chunky_png.html
index ecae398dd..2b11216b7 100644
--- a/chunky_png.html
+++ b/chunky_png.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/chunky_png.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/chunky_png.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/chunky_png.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Chunky PNG cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/chunky_png.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/chunky_png.jpg?t=20210804125746" ],
   "description": "The one-page guide to Chunky PNG: usage, examples, links, snippets, and more."
 }
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@@ -533,7 +533,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/cidr.html b/cidr.html
index 8e139483e..8ef95e35f 100644
--- a/cidr.html
+++ b/cidr.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/cidr.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/cidr.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/cidr.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/cidr.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "CIDR cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/cidr.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/cidr.jpg?t=20210804125746" ],
   "description": "The one-page guide to CIDR: usage, examples, links, snippets, and more."
 }
 </script>
@@ -449,7 +449,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/circle.html b/circle.html
index 56c72cf64..cf5a52a5e 100644
--- a/circle.html
+++ b/circle.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/circle.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/circle.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/circle.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/circle.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "CircleCI cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/circle.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/circle.jpg?t=20210804125746" ],
   "description": "The one-page guide to CircleCI: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/co.html b/co.html
index bb0a41f86..e8bf9bffc 100644
--- a/co.html
+++ b/co.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/co.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/co.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/co.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/co.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "co cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/co.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/co.jpg?t=20210804125746" ],
   "description": "One-page guide to co: usage, examples, and more. co allows you to use generators to manage async flow."
 }
 </script>
@@ -554,7 +554,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/command_line.html b/command_line.html
index 498e08204..852f67046 100644
--- a/command_line.html
+++ b/command_line.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/command_line.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/command_line.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/command_line.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/command_line.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Command line stuff cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/command_line.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/command_line.jpg?t=20210804125746" ],
   "description": "The one-page guide to Command line stuff: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/commander.js.html b/commander.js.html
index 2494a92ea..7556672ec 100644
--- a/commander.js.html
+++ b/commander.js.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/commander.js.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/commander.js.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/commander.js.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/commander.js.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Commander.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/commander.js.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/commander.js.jpg?t=20210804125746" ],
   "description": "The one-page guide to Commander.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/composer.html b/composer.html
index 27d83ffae..d0578dff9 100644
--- a/composer.html
+++ b/composer.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/composer.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/composer.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/composer.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/composer.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "composer cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/composer.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/composer.jpg?t=20210804125746" ],
   "description": "Basic guide on how to use Composer, the PHP Package manager. · One-page guide to composer"
 }
 </script>
@@ -675,7 +675,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/cordova.html b/cordova.html
index daf4ff6fd..c55f2b307 100644
--- a/cordova.html
+++ b/cordova.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/cordova.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/cordova.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/cordova.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/cordova.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Apache Cordova cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/cordova.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/cordova.jpg?t=20210804125746" ],
   "description": "One-page guide to Apache Cordova: usage, examples, and more. A quick reference to common Apache Cordova commands."
 }
 </script>
@@ -528,7 +528,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/cron.html b/cron.html
index 8179ea8fe..a8d7b367e 100644
--- a/cron.html
+++ b/cron.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/cron.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/cron.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/cron.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/cron.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Cron cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/cron.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/cron.jpg?t=20210804125746" ],
   "description": "The one-page guide to Cron: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/csharp7.html b/csharp7.html
index 3e4af65a7..0d33c35a8 100644
--- a/csharp7.html
+++ b/csharp7.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/csharp7.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/csharp7.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/csharp7.jpg?t=20210804125746' property='twitter:image'>
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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   "headline": "C# 7 cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/csharp7.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/csharp7.jpg?t=20210804125746" ],
   "description": "A quick overview of C# 7 · One-page guide to C# 7"
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-csharp.min.js'></script>
 
 
diff --git a/css-antialias.html b/css-antialias.html
index 8e9cd9fae..765566947 100644
--- a/css-antialias.html
+++ b/css-antialias.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/css-antialias.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css-antialias.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css-antialias.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "CSS antialiasing cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/css-antialias.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css-antialias.jpg?t=20210804125746" ],
   "description": "One-page guide to CSS antialiasing: usage, examples, and more. Here’s a 4-line snippet on how to get beautiful, antialiased text with CSS."
 }
 </script>
@@ -521,7 +521,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/css-flexbox.html b/css-flexbox.html
index 26343cb95..c02968251 100644
--- a/css-flexbox.html
+++ b/css-flexbox.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/css-flexbox.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/css-flexbox.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css-flexbox.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css-flexbox.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "CSS flexbox cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/css-flexbox.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css-flexbox.jpg?t=20210804125746" ],
   "description": "The one-page guide to CSS flexbox: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-css.min.js'></script>
 
 
diff --git a/css-grid.html b/css-grid.html
index c3ce759e6..77e25dc30 100644
--- a/css-grid.html
+++ b/css-grid.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/css-grid.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/css-grid.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css-grid.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css-grid.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "CSS Grid cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/css-grid.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css-grid.jpg?t=20210804125746" ],
   "description": "The one-page guide to CSS Grid: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-css.min.js'></script>
 
 
diff --git a/css-system-font-stack.html b/css-system-font-stack.html
index dc4cfc466..1cdc0cb73 100644
--- a/css-system-font-stack.html
+++ b/css-system-font-stack.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "CSS system fonts cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css-system-font-stack.jpg?t=20210804125746" ],
   "description": "The one-page guide to CSS system fonts: usage, examples, links, snippets, and more."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/css-tricks.html b/css-tricks.html
index 52fc874c7..13dd6c305 100644
--- a/css-tricks.html
+++ b/css-tricks.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/css-tricks.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/css-tricks.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css-tricks.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css-tricks.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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-  "image": [ "https://assets.devhints.io/previews/css-tricks.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css-tricks.jpg?t=20210804125746" ],
   "description": "The one-page guide to CSS tricks: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/css.html b/css.html
index 6d93a0988..fa9daa6b3 100644
--- a/css.html
+++ b/css.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/css.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/css.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/css.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   "headline": "CSS cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/css.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/css.jpg?t=20210804125746" ],
   "description": "margin, padding, border · div, .class, #id, [attr] · font, background · display: block, inline, flex · Selectors · Properties · One-page guide to CSS"
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+  "image": [ "https://assets.devhints.io/previews/cssnext.jpg?t=20210804125746" ],
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diff --git a/data/search-index.json b/data/search-index.json
index c702c191a..4fa103fb8 100644
--- a/data/search-index.json
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diff --git a/datetime.html b/datetime.html
index a00bd637a..3669eeef3 100644
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-  "image": [ "https://assets.devhints.io/previews/datetime.jpg?t=20210620130712" ],
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-  "image": [ "https://assets.devhints.io/previews/deis.jpg?t=20210620130712" ],
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diff --git a/deku.html b/deku.html
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+  "image": [ "https://assets.devhints.io/previews/deku.jpg?t=20210804125746" ],
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diff --git a/deku@1.html b/deku@1.html
index 7f114521f..fa21eef20 100644
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-  "image": [ "https://assets.devhints.io/previews/deku@1.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/deku@1.jpg?t=20210804125746" ],
   "description": "One-page guide to Deku v1: usage, examples, and more. Quick reference for Deku, a minimal virtual DOM library. Deprecated: This is for Deku v1. See deku for a more updated cheatsheet."
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diff --git a/deprecated/bower-api.html b/deprecated/bower-api.html
index 8486ccd77..1d49689fa 100644
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+<link rel='stylesheet' href='../assets/2017/style.css?t=20210804125746'>
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-  "image": [ "https://assets.devhints.io/previews/deprecated/bower-api.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/deprecated/bower-api.jpg?t=20210804125746" ],
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index 9cb35a91f..8c379df7f 100644
--- a/devise.html
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-  <meta content='https://assets.devhints.io/previews/devise.jpg?t=20210620130712' property='twitter:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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 <div class='all'>
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   "headline": "Devise cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/devise.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/devise.jpg?t=20210804125746" ],
   "description": "The one-page guide to Devise: usage, examples, links, snippets, and more."
 }
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diff --git a/divshot.html b/divshot.html
index b43ef08e3..43004c7e8 100644
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+  <meta content='https://assets.devhints.io/previews/divshot.jpg?t=20210804125746' property='og:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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-  "image": [ "https://assets.devhints.io/previews/divshot.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/divshot.jpg?t=20210804125746" ],
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 }
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diff --git a/do.html b/do.html
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
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+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
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+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Do gem cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/do.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/do.jpg?t=20210804125746" ],
   "description": "The one-page guide to Do gem: usage, examples, links, snippets, and more."
 }
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diff --git a/docker-compose.html b/docker-compose.html
index ec5bde9fa..da999102f 100644
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-  "image": [ "https://assets.devhints.io/previews/docker-compose.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/docker-compose.jpg?t=20210804125746" ],
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diff --git a/docker.html b/docker.html
index 0dbcc9904..934f94bf6 100644
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/docker.jpg?t=20210620130712' property='twitter:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/docker.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/docker.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/dockerfile.html b/dockerfile.html
index e1385ce04..6d1f02463 100644
--- a/dockerfile.html
+++ b/dockerfile.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/dockerfile.jpg?t=20210620130712' property='twitter:image'>
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 <script type='application/ld+json'>
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+  "image": [ "https://assets.devhints.io/previews/dockerfile.jpg?t=20210804125746" ],
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diff --git a/dom-range.html b/dom-range.html
index e9de0493f..e3a71dfaa 100644
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+++ b/dom-range.html
@@ -33,8 +33,8 @@
 
 
 
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-  "image": [ "https://assets.devhints.io/previews/dom-range.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/dom-range.jpg?t=20210804125746" ],
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diff --git a/dom-selection.html b/dom-selection.html
index bd95b8555..621ba0fe8 100644
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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   "headline": "DOM Selection cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/dom-selection.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/dom-selection.jpg?t=20210804125746" ],
   "description": "One-page guide to DOM Selection: usage, examples, and more. Quick introduction to the HTML DOM selection API."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/editorconfig.html b/editorconfig.html
index aa20632c8..4ceff30a4 100644
--- a/editorconfig.html
+++ b/editorconfig.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/editorconfig.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/editorconfig.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/editorconfig.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "editorconfig cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/editorconfig.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/editorconfig.jpg?t=20210804125746" ],
   "description": "The one-page guide to editorconfig: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-ini.min.js'></script>
 
 
diff --git a/elixir-metaprogramming.html b/elixir-metaprogramming.html
index 5f1c4b475..4f466d692 100644
--- a/elixir-metaprogramming.html
+++ b/elixir-metaprogramming.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Elixir metaprogramming cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/elixir-metaprogramming.jpg?t=20210804125746" ],
   "description": "The one-page guide to Elixir metaprogramming: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/elixir.html b/elixir.html
index 1fc9c2258..a3c4ef7c7 100644
--- a/elixir.html
+++ b/elixir.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/elixir.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/elixir.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/elixir.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/elixir.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Elixir cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/elixir.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/elixir.jpg?t=20210804125746" ],
   "description": "The one-page guide to Elixir: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/emacs.html b/emacs.html
index b963fefbe..3e2292c12 100644
--- a/emacs.html
+++ b/emacs.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/emacs.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/emacs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/emacs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/emacs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Emacs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/emacs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/emacs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Emacs: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ember.html b/ember.html
index e6acaad69..846a7534c 100644
--- a/ember.html
+++ b/ember.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ember.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ember.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ember.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ember.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Ember.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ember.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ember.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ember.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/emmet.html b/emmet.html
index a3dfda2c6..a12c3b2b7 100644
--- a/emmet.html
+++ b/emmet.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/emmet.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/emmet.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/emmet.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Emmet cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/emmet.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/emmet.jpg?t=20210804125746" ],
   "description": "One-page guide to Emmet: usage, examples, and more. Emmet is a markup language for expanding CSS rules into HTML"
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-html.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-css.min.js'></script>
 
 
diff --git a/enzyme.html b/enzyme.html
index d57f0848c..7f22cf267 100644
--- a/enzyme.html
+++ b/enzyme.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/enzyme.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/enzyme.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/enzyme.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/enzyme.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Enzyme cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/enzyme.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/enzyme.jpg?t=20210804125746" ],
   "description": "shallow() · mount() · wrap.setProps() · wrap.find().simulate('click') · wrap.contains(<div/>) · One-page guide to Enzyme"
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/enzyme@2.html b/enzyme@2.html
index 327f0b5f9..86f96f5cb 100644
--- a/enzyme@2.html
+++ b/enzyme@2.html
@@ -33,8 +33,8 @@
 
 
 
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diff --git a/express.html b/express.html
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+  "image": [ "https://assets.devhints.io/previews/express.jpg?t=20210804125746" ],
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diff --git a/fastify.html b/fastify.html
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ffaker.html b/ffaker.html
index 479055bd2..453dfc760 100644
--- a/ffaker.html
+++ b/ffaker.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ffaker.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ffaker.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ffaker.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ffaker.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "FFaker cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ffaker.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ffaker.jpg?t=20210804125746" ],
   "description": "The one-page guide to FFaker: usage, examples, links, snippets, and more."
 }
 </script>
@@ -972,7 +972,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ffmpeg.html b/ffmpeg.html
index 18ce81f79..145f123c8 100644
--- a/ffmpeg.html
+++ b/ffmpeg.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ffmpeg.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ffmpeg.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ffmpeg.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ffmpeg.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "ffmpeg cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ffmpeg.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ffmpeg.jpg?t=20210804125746" ],
   "description": "The one-page guide to ffmpeg: usage, examples, links, snippets, and more."
 }
 </script>
@@ -550,7 +550,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/figlet.html b/figlet.html
index dd1397af5..7e41bfa6b 100644
--- a/figlet.html
+++ b/figlet.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/figlet.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/figlet.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/figlet.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/figlet.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Figlet cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/figlet.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/figlet.jpg?t=20210804125746" ],
   "description": "The one-page guide to Figlet: usage, examples, links, snippets, and more."
 }
 </script>
@@ -2496,7 +2496,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/find.html b/find.html
index 6af4597fc..d854fdad5 100644
--- a/find.html
+++ b/find.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/find.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/find.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/find.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/find.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Find cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/find.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/find.jpg?t=20210804125746" ],
   "description": "The one-page guide to Find: usage, examples, links, snippets, and more."
 }
 </script>
@@ -567,7 +567,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/firebase.html b/firebase.html
index 152f34802..fa6029458 100644
--- a/firebase.html
+++ b/firebase.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/firebase.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/firebase.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/firebase.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/firebase.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Firebase cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/firebase.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/firebase.jpg?t=20210804125746" ],
   "description": "The one-page guide to Firebase: usage, examples, links, snippets, and more."
 }
 </script>
@@ -573,7 +573,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-coffeescript.min.js'></script>
 
 
diff --git a/firefox.html b/firefox.html
index 279bcf946..92a73d705 100644
--- a/firefox.html
+++ b/firefox.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/firefox.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/firefox.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/firefox.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/firefox.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Firefox cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/firefox.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/firefox.jpg?t=20210804125746" ],
   "description": "The one-page guide to Firefox: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/fish-shell.html b/fish-shell.html
index fa1ec0b09..97b515e75 100644
--- a/fish-shell.html
+++ b/fish-shell.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/fish-shell.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/fish-shell.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/fish-shell.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/fish-shell.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Fish shell cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/fish-shell.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/fish-shell.jpg?t=20210804125746" ],
   "description": "The one-page guide to Fish shell: usage, examples, links, snippets, and more."
 }
 </script>
@@ -740,7 +740,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-fish.min.js'></script>
 
 
diff --git a/fitness/general.html b/fitness/general.html
index 76d961727..81c80f4ba 100644
--- a/fitness/general.html
+++ b/fitness/general.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/fitness/general.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/fitness/general.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/fitness/general.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/fitness/general.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
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diff --git a/fitness/micronutrients.html b/fitness/micronutrients.html
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diff --git a/flashlight.html b/flashlight.html
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+  "image": [ "https://assets.devhints.io/previews/flashlight.jpg?t=20210804125746" ],
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diff --git a/flow.html b/flow.html
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+  "image": [ "https://assets.devhints.io/previews/flow.jpg?t=20210804125746" ],
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diff --git a/flux.html b/flux.html
index abae2f5e6..f4f74596f 100644
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+  "image": [ "https://assets.devhints.io/previews/flux.jpg?t=20210804125746" ],
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diff --git a/freenode.html b/freenode.html
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diff --git a/frequency-separation-retouching.html b/frequency-separation-retouching.html
index af3bf10a4..7223a9a4f 100644
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+  "image": [ "https://assets.devhints.io/previews/frequency-separation-retouching.jpg?t=20210804125746" ],
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diff --git a/gh-pages.html b/gh-pages.html
index 2701ad75a..5aaa8640d 100644
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diff --git a/git-branch.html b/git-branch.html
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diff --git a/git-extras.html b/git-extras.html
index 271b20f20..ef4057cb1 100644
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+  "image": [ "https://assets.devhints.io/previews/git-extras.jpg?t=20210804125746" ],
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diff --git a/git-log-format.html b/git-log-format.html
index 27cb83e51..d68d03d73 100644
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diff --git a/git-log.html b/git-log.html
index 3b4450dd5..933988580 100644
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diff --git a/git-revisions.html b/git-revisions.html
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+  "image": [ "https://assets.devhints.io/previews/git-revisions.jpg?t=20210804125746" ],
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diff --git a/git-tricks.html b/git-tricks.html
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-  <meta content='https://assets.devhints.io/previews/git-tricks.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/git-tricks.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/git-tricks.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Git tricks cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/git-tricks.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/git-tricks.jpg?t=20210804125746" ],
   "description": "The one-page guide to Git tricks: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/gnupg.html b/gnupg.html
index 80556071f..17699f056 100644
--- a/gnupg.html
+++ b/gnupg.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/gnupg.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/gnupg.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/gnupg.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/gnupg.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -101,11 +101,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -117,7 +117,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "GnuPG cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/gnupg.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/gnupg.jpg?t=20210804125746" ],
   "description": "One-page guide to GnuPG: usage, examples, and more. GnuPG is a complete and free implementation of the OpenPGP standard."
 }
 </script>
@@ -767,7 +767,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/go.html b/go.html
index 98acd2813..41da59c98 100644
--- a/go.html
+++ b/go.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/go.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/go.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/go.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/go.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Go cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/go.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/go.jpg?t=20210804125746" ],
   "description": "The one-page guide to Go: usage, examples, links, snippets, and more."
 }
 </script>
@@ -999,7 +999,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-go.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-bash.min.js'></script>
 
 
diff --git a/goby.html b/goby.html
index 95479e8f1..3fb15805d 100644
--- a/goby.html
+++ b/goby.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/goby.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/goby.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/goby.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/goby.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Goby cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/goby.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/goby.jpg?t=20210804125746" ],
   "description": "One-page guide to Goby: usage, examples, and more. Goby’s language design is based on Ruby language’s, slim and shaped up. Differences in syntax between them is very small."
 }
 </script>
@@ -1793,7 +1793,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-ruby.min.js'></script>
 
 
diff --git a/google-webfonts.html b/google-webfonts.html
index 255180b05..d112f8e92 100644
--- a/google-webfonts.html
+++ b/google-webfonts.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/google-webfonts.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/google-webfonts.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/google-webfonts.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/google-webfonts.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Google Webfonts cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/google-webfonts.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/google-webfonts.jpg?t=20210804125746" ],
   "description": "One-page guide to Google Webfonts: usage, examples, and more. Short snippets on using Google Webfonts in a web page."
 }
 </script>
@@ -516,7 +516,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/google_analytics.html b/google_analytics.html
index 7bd4f3e8f..02f39a0ae 100644
--- a/google_analytics.html
+++ b/google_analytics.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/google_analytics.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/google_analytics.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/google_analytics.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/google_analytics.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Google Analytics cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/google_analytics.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/google_analytics.jpg?t=20210804125746" ],
   "description": "The one-page guide to Google Analytics: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/graphql.html b/graphql.html
index 90589ed2f..343ae3fb5 100644
--- a/graphql.html
+++ b/graphql.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/graphql.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/graphql.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/graphql.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/graphql.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "GraphQL cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/graphql.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/graphql.jpg?t=20210804125746" ],
   "description": "The one-page guide to GraphQL: usage, examples, links, snippets, and more."
 }
 </script>
@@ -727,7 +727,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/gremlins.html b/gremlins.html
index 9f924ec9e..5ce86d24d 100644
--- a/gremlins.html
+++ b/gremlins.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/gremlins.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/gremlins.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/gremlins.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/gremlins.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Gremlins.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/gremlins.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/gremlins.jpg?t=20210804125746" ],
   "description": "One-page guide to Gremlins.js: usage, examples, and more. Gremlins is a JavaScript library to do “monkey-testing” by providing random user input (clicks, scrolls, and so on)."
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 </script>
@@ -572,7 +572,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/gulp.html b/gulp.html
index c50efde2a..0feabab9f 100644
--- a/gulp.html
+++ b/gulp.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/gulp.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/gulp.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/gulp.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/gulp.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Gulp cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/gulp.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/gulp.jpg?t=20210804125746" ],
   "description": "The one-page guide to Gulp: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/haml.html b/haml.html
index f86778902..f7f27d639 100644
--- a/haml.html
+++ b/haml.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/haml.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/haml.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/haml.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/haml.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Haml cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/haml.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/haml.jpg?t=20210804125746" ],
   "description": "The one-page guide to Haml: usage, examples, links, snippets, and more."
 }
 </script>
@@ -531,7 +531,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-haml.min.js'></script>
 
 
diff --git a/handlebars.js.html b/handlebars.js.html
index b3dd80871..b9f7d1d99 100644
--- a/handlebars.js.html
+++ b/handlebars.js.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/handlebars.js.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/handlebars.js.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/handlebars.js.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/handlebars.js.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Handlebars.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/handlebars.js.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/handlebars.js.jpg?t=20210804125746" ],
   "description": "The one-page guide to Handlebars.js: usage, examples, links, snippets, and more."
 }
 </script>
@@ -517,7 +517,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/harvey.js.html b/harvey.js.html
index 274e83511..e292873a8 100644
--- a/harvey.js.html
+++ b/harvey.js.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/harvey.js.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/harvey.js.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/harvey.js.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/harvey.js.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Harvey.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/harvey.js.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/harvey.js.jpg?t=20210804125746" ],
   "description": "One-page guide to Harvey.js: usage, examples, and more. Harvey.js helps you build responsive interfaces."
 }
 </script>
@@ -523,7 +523,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/heroku.html b/heroku.html
index c467fdff5..cd1a4b0f2 100644
--- a/heroku.html
+++ b/heroku.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/heroku.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/heroku.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/heroku.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/heroku.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Heroku cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/heroku.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/heroku.jpg?t=20210804125746" ],
   "description": "A one-page reference to common Heroku-CLI commands. Heroku is a web hosting platform supporting many languages, and this guide is a reference to Heroku’s command-line interface."
 }
 </script>
@@ -658,7 +658,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/hledger.html b/hledger.html
index bd8e7e2b0..cb3f80ae7 100644
--- a/hledger.html
+++ b/hledger.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/hledger.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/hledger.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/hledger.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/hledger.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Hledger cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/hledger.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/hledger.jpg?t=20210804125746" ],
   "description": "The one-page guide to Hledger: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/homebrew.html b/homebrew.html
index b8757fefe..9838e124e 100644
--- a/homebrew.html
+++ b/homebrew.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/homebrew.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/homebrew.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/homebrew.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/homebrew.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Homebrew cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/homebrew.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/homebrew.jpg?t=20210804125746" ],
   "description": "The one-page guide to Homebrew: usage, examples, links, snippets, and more."
 }
 </script>
@@ -638,7 +638,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html-email.html b/html-email.html
index d7fb301dd..2a02dc0b9 100644
--- a/html-email.html
+++ b/html-email.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html-email.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html-email.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html-email.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html-email.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "HTML emails cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html-email.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html-email.jpg?t=20210804125746" ],
   "description": "The one-page guide to HTML emails: usage, examples, links, snippets, and more."
 }
 </script>
@@ -619,7 +619,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html-input.html b/html-input.html
index ca4db1f77..1480b6743 100644
--- a/html-input.html
+++ b/html-input.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html-input.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html-input.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html-input.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html-input.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Input tag cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html-input.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html-input.jpg?t=20210804125746" ],
   "description": "The one-page guide to Input tag: usage, examples, links, snippets, and more."
 }
 </script>
@@ -663,7 +663,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html-meta.html b/html-meta.html
index 9f8ccc7f2..de63da393 100644
--- a/html-meta.html
+++ b/html-meta.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html-meta.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html-meta.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html-meta.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html-meta.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "HTML meta tags cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html-meta.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html-meta.jpg?t=20210804125746" ],
   "description": "The one-page guide to HTML meta tags: usage, examples, links, snippets, and more."
 }
 </script>
@@ -621,7 +621,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html-microformats.html b/html-microformats.html
index dc9514af2..50d7fc323 100644
--- a/html-microformats.html
+++ b/html-microformats.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html-microformats.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html-microformats.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html-microformats.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html-microformats.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Microformats cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html-microformats.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html-microformats.jpg?t=20210804125746" ],
   "description": "The one-page guide to Microformats: usage, examples, links, snippets, and more."
 }
 </script>
@@ -505,7 +505,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html-share.html b/html-share.html
index b75004dd2..fad93d8eb 100644
--- a/html-share.html
+++ b/html-share.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html-share.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html-share.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html-share.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html-share.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Share links cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html-share.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html-share.jpg?t=20210804125746" ],
   "description": "The one-page guide to Share links: usage, examples, links, snippets, and more."
 }
 </script>
@@ -508,7 +508,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/html.html b/html.html
index 0b7e2b3a5..dbd4d9ae7 100644
--- a/html.html
+++ b/html.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/html.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/html.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/html.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/html.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "HTML cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/html.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/html.jpg?t=20210804125746" ],
   "description": "The one-page guide to HTML: usage, examples, links, snippets, and more."
 }
 </script>
@@ -608,7 +608,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/http-status.html b/http-status.html
index d5f6f947e..ce630b1e4 100644
--- a/http-status.html
+++ b/http-status.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/http-status.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/http-status.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/http-status.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/http-status.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "HTTP Status cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/http-status.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/http-status.jpg?t=20210804125746" ],
   "description": "List of HTTP Status codes and links to description. · One-page guide to HTTP Status"
 }
 </script>
@@ -838,7 +838,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/httpie.html b/httpie.html
index 0b0cd42ef..1ad933f88 100644
--- a/httpie.html
+++ b/httpie.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/httpie.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/httpie.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/httpie.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/httpie.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "httpie cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/httpie.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/httpie.jpg?t=20210804125746" ],
   "description": "$ http POST http://example.com name=\"John\" Host:example.com — JSON, cookies, files, auth, and other httpie examples. · One-page guide to httpie"
 }
 </script>
@@ -580,7 +580,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ie.html b/ie.html
index b78a41efc..3241f3e1b 100644
--- a/ie.html
+++ b/ie.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ie.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ie.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ie.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ie.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Internet Explorer cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ie.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ie.jpg?t=20210804125746" ],
   "description": "The one-page guide to Internet Explorer: usage, examples, links, snippets, and more."
 }
 </script>
@@ -1140,7 +1140,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ie_bugs.html b/ie_bugs.html
index 97f951b9a..f5f93a85b 100644
--- a/ie_bugs.html
+++ b/ie_bugs.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ie_bugs.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ie_bugs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ie_bugs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ie_bugs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Legacy IE bugs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ie_bugs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ie_bugs.jpg?t=20210804125746" ],
   "description": "One-page guide to Legacy IE bugs: usage, examples, and more. A bunch of bugs to take care of if you’re going to target legacy IE browsers."
 }
 </script>
@@ -520,7 +520,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/imagemagick.html b/imagemagick.html
index e8e4dbb47..db3845d0c 100644
--- a/imagemagick.html
+++ b/imagemagick.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/imagemagick.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/imagemagick.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/imagemagick.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/imagemagick.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Imagemagick cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/imagemagick.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/imagemagick.jpg?t=20210804125746" ],
   "description": "One-page guide to Imagemagick: usage, examples, and more. A quick reference for common Imagemagick commands and switches."
 }
 </script>
@@ -569,7 +569,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/immutable.js.html b/immutable.js.html
index 26e851164..3a3e79c0f 100644
--- a/immutable.js.html
+++ b/immutable.js.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/immutable.js.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/immutable.js.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/immutable.js.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/immutable.js.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Immutable.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/immutable.js.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/immutable.js.jpg?t=20210804125746" ],
   "description": "The one-page guide to Immutable.js: usage, examples, links, snippets, and more."
 }
 </script>
@@ -529,7 +529,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/index.html b/index.html
index 780cbe60c..18006a2da 100644
--- a/index.html
+++ b/index.html
@@ -35,8 +35,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/index.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/index.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/index.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/index.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -104,11 +104,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 
@@ -26609,7 +26609,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 </body>
diff --git a/index@2016.html b/index@2016.html
index d1348e227..eda2ce5fa 100644
--- a/index@2016.html
+++ b/index@2016.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/index@2016.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/index@2016.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/index@2016.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/index@2016.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
diff --git a/inkscape.html b/inkscape.html
index 83ccbfeb9..b4bbbf9d6 100644
--- a/inkscape.html
+++ b/inkscape.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/inkscape.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/inkscape.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/inkscape.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/inkscape.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Inkscape cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/inkscape.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/inkscape.jpg?t=20210804125746" ],
   "description": "The one-page guide to Inkscape: usage, examples, links, snippets, and more."
 }
 </script>
@@ -559,7 +559,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ios-provision.html b/ios-provision.html
index 053c75a65..a21ebc160 100644
--- a/ios-provision.html
+++ b/ios-provision.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ios-provision.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ios-provision.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ios-provision.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ios-provision.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
 <!--[if lt IE 9]><script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.js'></script><script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'></script><script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'></script><![endif]-->
 
   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "iOS Provisioning Profiles cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ios-provision.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ios-provision.jpg?t=20210804125746" ],
   "description": "The one-page guide to iOS Provisioning Profiles: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/jasmine.html b/jasmine.html
index 2713b55c3..dd949923a 100644
--- a/jasmine.html
+++ b/jasmine.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jasmine.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jasmine.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jasmine.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jasmine.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Jasmine cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jasmine.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jasmine.jpg?t=20210804125746" ],
   "description": "The one-page guide to Jasmine: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/jekyll-github.html b/jekyll-github.html
index ebfbb91a7..d90e0d4ca 100644
--- a/jekyll-github.html
+++ b/jekyll-github.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jekyll-github.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jekyll-github.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jekyll-github.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jekyll-github.jpg?t=20210804125746' property='twitter:image'>
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   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Jekyll for GitHub pages cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jekyll-github.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jekyll-github.jpg?t=20210804125746" ],
   "description": "The one-page guide to Jekyll for GitHub pages: usage, examples, links, snippets, and more."
 }
 </script>
@@ -563,7 +563,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/jekyll.html b/jekyll.html
index 71354f2b7..d286f55cc 100644
--- a/jekyll.html
+++ b/jekyll.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jekyll.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jekyll.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jekyll.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jekyll.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Jekyll cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jekyll.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jekyll.jpg?t=20210804125746" ],
   "description": "The one-page guide to Jekyll: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
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diff --git a/jest.html b/jest.html
index bff7c8a87..8d1c7c9c5 100644
--- a/jest.html
+++ b/jest.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jest.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jest.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jest.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jest.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Jest cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jest.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jest.jpg?t=20210804125746" ],
   "description": "One-page guide to Jest: usage, examples, and more. A quick overview to Jest, a test framework for Node.js. This guide targets Jest v20."
 }
 </script>
@@ -827,7 +827,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/jquery-cdn.html b/jquery-cdn.html
index 84f3d2c46..e88d774f1 100644
--- a/jquery-cdn.html
+++ b/jquery-cdn.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "jQuery CDN cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jquery-cdn.jpg?t=20210804125746" ],
   "description": "The one-page guide to jQuery CDN: usage, examples, links, snippets, and more."
 }
 </script>
@@ -502,7 +502,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/jquery.html b/jquery.html
index 9462e9d6a..223ce5aa2 100644
--- a/jquery.html
+++ b/jquery.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/jquery.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/jquery.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jquery.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jquery.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "jQuery cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jquery.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jquery.jpg?t=20210804125746" ],
   "description": "The one-page guide to jQuery: usage, examples, links, snippets, and more."
 }
 </script>
@@ -545,7 +545,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/js-appcache.html b/js-appcache.html
index ea8099cc7..d01ef662e 100644
--- a/js-appcache.html
+++ b/js-appcache.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/js-appcache.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/js-appcache.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-appcache.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/js-appcache.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "applicationCache cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/js-appcache.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-appcache.jpg?t=20210804125746" ],
   "description": "The one-page guide to applicationCache: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/js-array.html b/js-array.html
index 603108289..5a3f805e8 100644
--- a/js-array.html
+++ b/js-array.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/js-array.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/js-array.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-array.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/js-array.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-  "image": [ "https://assets.devhints.io/previews/js-array.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-array.jpg?t=20210804125746" ],
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diff --git a/js-date.html b/js-date.html
index 33bc61995..3ffd8ce6b 100644
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+  <meta content='https://assets.devhints.io/previews/js-date.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/js-date.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-date.jpg?t=20210804125746" ],
   "description": "The one-page guide to JavaScript Date: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/js-fetch.html b/js-fetch.html
index bdb7e634e..6859b0ef7 100644
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-  <meta content='https://assets.devhints.io/previews/js-fetch.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-fetch.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/js-fetch.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-fetch.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/js-lazy.html b/js-lazy.html
index 95e1f8457..62fcfb0a6 100644
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-  <meta content='https://assets.devhints.io/previews/js-lazy.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-lazy.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
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   "headline": "JavaScript lazy shortcuts cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/js-lazy.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-lazy.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/js-model.html b/js-model.html
index 17a33e84b..8a46ef618 100644
--- a/js-model.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/js-model.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-model.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/js-model.jpg?t=20210804125746' property='twitter:image'>
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 <script type='application/ld+json'>
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   "headline": "js-model cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/js-model.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-model.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/js-speech.html b/js-speech.html
index fdd5080ee..bfdaac98a 100644
--- a/js-speech.html
+++ b/js-speech.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/js-speech.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/js-speech.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/js-speech.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/js-speech.jpg?t=20210804125746" ],
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diff --git a/jscoverage.html b/jscoverage.html
index 2761428bf..0ca72c8e1 100644
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+++ b/jscoverage.html
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+  <meta content='https://assets.devhints.io/previews/jscoverage.jpg?t=20210804125746' property='og:image'>
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   "headline": "jscoverage cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jscoverage.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jscoverage.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/jsdoc.html b/jsdoc.html
index 853a5be2c..c3a8ccfae 100644
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/jsdoc.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jsdoc.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/jshint.html b/jshint.html
index dc1a1a610..87dbaf569 100644
--- a/jshint.html
+++ b/jshint.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/jshint.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/jshint.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/jshint.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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   "headline": "Jshint cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/jshint.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/jshint.jpg?t=20210804125746" ],
   "description": "The one-page guide to Jshint: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/knex.html b/knex.html
index 5747b56bd..b2e7f9f47 100644
--- a/knex.html
+++ b/knex.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/knex.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/knex.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/knex.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Knex cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/knex.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/knex.jpg?t=20210804125746" ],
   "description": "One-page guide to Knex: usage, examples, and more. Knex is an SQL query builder for Node.js.This guide targets v0.13.0."
 }
 </script>
@@ -929,7 +929,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/koa.html b/koa.html
index ff4044528..8e2571d33 100644
--- a/koa.html
+++ b/koa.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/koa.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/koa.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/koa.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Koa cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/koa.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/koa.jpg?t=20210804125746" ],
   "description": "The one-page guide to Koa: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/kotlin.html b/kotlin.html
index 020f32c74..cc8d5f6ba 100644
--- a/kotlin.html
+++ b/kotlin.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/kotlin.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/kotlin.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/kotlin.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
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   "headline": "Kotlin cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/kotlin.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/kotlin.jpg?t=20210804125746" ],
   "description": "One-page guide to Kotlin: usage, examples, and more. Kotlin is a statically typed programming language for modern multiplatform applications."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
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diff --git a/kramdown.html b/kramdown.html
index 02c0517dc..b07a2ce76 100644
--- a/kramdown.html
+++ b/kramdown.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/kramdown.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/kramdown.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/kramdown.jpg?t=20210804125746' property='twitter:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Kramdown cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/kramdown.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/kramdown.jpg?t=20210804125746" ],
   "description": "The one-page guide to Kramdown: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/layout-thrashing.html b/layout-thrashing.html
index eed851fbf..c116b3edc 100644
--- a/layout-thrashing.html
+++ b/layout-thrashing.html
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-  <meta content='https://assets.devhints.io/previews/layout-thrashing.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/layout-thrashing.jpg?t=20210804125746' property='og:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   "headline": "Layout thrashing cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/layout-thrashing.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/layout-thrashing.jpg?t=20210804125746" ],
   "description": " These are CSS properties that will cause “layout thrashing”. Avoid changing them to prevent bottlenecks in your UI performance."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ledger-csv.html b/ledger-csv.html
index 98b7a942d..2b86316bb 100644
--- a/ledger-csv.html
+++ b/ledger-csv.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ledger-csv.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ledger-csv.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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-  "image": [ "https://assets.devhints.io/previews/ledger-csv.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger-csv.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger CSV format: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ledger-examples.html b/ledger-examples.html
index 70810235c..82aef2a0c 100644
--- a/ledger-examples.html
+++ b/ledger-examples.html
@@ -33,8 +33,8 @@
 
 
 
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+  <meta content='https://assets.devhints.io/previews/ledger-examples.jpg?t=20210804125746' property='og:image'>
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-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Ledger examples cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ledger-examples.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger-examples.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger examples: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ledger-format.html b/ledger-format.html
index 48d88568f..0fdc990be 100644
--- a/ledger-format.html
+++ b/ledger-format.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ledger-format.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ledger-format.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ledger-format.jpg?t=20210804125746' property='twitter:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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   },
   "headline": "Ledger format cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ledger-format.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger-format.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger format: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ledger-periods.html b/ledger-periods.html
index cb6dc73ee..a7595e05d 100644
--- a/ledger-periods.html
+++ b/ledger-periods.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ledger-periods.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ledger-periods.jpg?t=20210804125746' property='og:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Ledger periods cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ledger-periods.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger-periods.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger periods: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ledger-query.html b/ledger-query.html
index f5f0e00e6..f3dbab3d2 100644
--- a/ledger-query.html
+++ b/ledger-query.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ledger-query.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ledger-query.jpg?t=20210804125746' property='og:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Ledger queries cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ledger-query.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger-query.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger queries: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ledger.html b/ledger.html
index 5ff42aabc..51fc45c56 100644
--- a/ledger.html
+++ b/ledger.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ledger.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ledger.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ledger.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
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   },
   "headline": "Ledger CLI cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ledger.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ledger.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ledger CLI: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/less.html b/less.html
index 2af691f42..b6eca30f6 100644
--- a/less.html
+++ b/less.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/less.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/less.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/less.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Less.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/less.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/less.jpg?t=20210804125746" ],
   "description": "The one-page guide to Less.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/licenses.html b/licenses.html
index b04f4fd70..db170059f 100644
--- a/licenses.html
+++ b/licenses.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/licenses.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/licenses.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/licenses.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Licenses cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/licenses.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/licenses.jpg?t=20210804125746" ],
   "description": "The one-page guide to Licenses: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/linux.html b/linux.html
index 973afcf61..676922148 100644
--- a/linux.html
+++ b/linux.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/linux.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/linux.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/linux.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/linux.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Linux cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/linux.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/linux.jpg?t=20210804125746" ],
   "description": "The one-page guide to Linux: usage, examples, links, snippets, and more."
 }
 </script>
@@ -160,7 +160,55 @@ gtag('config','UA-106902774-1');
     </div>
 
     <div class='post-content -cheatsheet'>
-      <h3 id="mounting-a-ram-drive">Mounting a RAM drive</h3>
+      <h3 id="readwriteexecute-a-file">Read/Write/Execute a file</h3>
+
+<pre><code>$ chmod +rwx App
+$ ./App
+</code></pre>
+
+<h3 id="remove">Remove</h3>
+
+<pre><code>$ rm namefile
+$ rm -d Directory
+$ rm -rf Directory_with_files
+</code></pre>
+
+<h3 id="copy-file-to-a-folder">Copy file to a folder</h3>
+
+<pre><code>$ cp namefile Downloads
+$ ls
+namefile  Desktop  Documents  Downloads  Music  Pictures  Public  Templates  Videos
+$ cd Downloads
+~/Downloads$ ls
+namefile
+</code></pre>
+
+<h3 id="create-empty-file">Create empty file</h3>
+
+<pre><code>$ touch namefile
+$ touch --help
+</code></pre>
+
+<h3 id="show-in-the-terminal-the-file">Show in the terminal the file</h3>
+
+<pre><code>$ cat namefile
+$ cat --help
+</code></pre>
+
+<h3 id="create-new-directory">Create new directory</h3>
+
+<pre><code>$ mkdir name
+$ mkdir --help
+</code></pre>
+
+<h3 id="list-files-from-directory">list files from directory</h3>
+
+<pre><code>$ ls
+Desktop  Documents  Downloads  Music  Pictures  Public  Templates  Videos
+$ ls --help
+</code></pre>
+
+<h3 id="mounting-a-ram-drive">Mounting a RAM drive</h3>
 
 <pre><code>$ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp
 </code></pre>
diff --git a/lodash.html b/lodash.html
index eecaa1bfb..a42874ac7 100644
--- a/lodash.html
+++ b/lodash.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/lodash.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/lodash.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/lodash.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
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+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Lodash cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/lodash.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/lodash.jpg?t=20210804125746" ],
   "description": "This is not a complete list. · One-page guide to Lodash"
 }
 </script>
@@ -705,7 +705,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/lua.html b/lua.html
index 8f6e3055c..bcfa414ed 100644
--- a/lua.html
+++ b/lua.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/lua.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/lua.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/lua.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/lua.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Lua cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/lua.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/lua.jpg?t=20210804125746" ],
   "description": "The one-page guide to Lua: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/machinist.html b/machinist.html
index 3d103caa7..d09655159 100644
--- a/machinist.html
+++ b/machinist.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/machinist.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/machinist.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/machinist.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/machinist.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Machinist cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/machinist.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/machinist.jpg?t=20210804125746" ],
   "description": "The one-page guide to Machinist: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/macos-mouse-acceleration.html b/macos-mouse-acceleration.html
index fd5e0f183..bd9355ac9 100644
--- a/macos-mouse-acceleration.html
+++ b/macos-mouse-acceleration.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/macos-mouse-acceleration.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/macos-mouse-acceleration.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/macos-mouse-acceleration.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Mouse Acceleration cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/macos-mouse-acceleration.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/macos-mouse-acceleration.jpg?t=20210804125746" ],
   "description": "defaults write .GlobalPreferences com.apple.mouse.scaling -1 · Disable mouse acceleration with this one weird trick."
 }
 </script>
@@ -468,7 +468,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/make-assets.html b/make-assets.html
index 9ad2e36ca..d69601afd 100644
--- a/make-assets.html
+++ b/make-assets.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/make-assets.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/make-assets.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/make-assets.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/make-assets.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Make for assets cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/make-assets.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/make-assets.jpg?t=20210804125746" ],
   "description": "The one-page guide to Make for assets: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/makefile.html b/makefile.html
index 2df1c5388..ed0353c74 100644
--- a/makefile.html
+++ b/makefile.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/makefile.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/makefile.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/makefile.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/makefile.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Makefile cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/makefile.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/makefile.jpg?t=20210804125746" ],
   "description": "The one-page guide to Makefile: usage, examples, links, snippets, and more."
 }
 </script>
@@ -624,7 +624,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-makefile.min.js'></script>
 
 
diff --git a/man.html b/man.html
index 7ecc455e4..4b182b271 100644
--- a/man.html
+++ b/man.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/man.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/man.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/man.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/man.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Man cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/man.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/man.jpg?t=20210804125746" ],
   "description": "The one-page guide to Man: usage, examples, links, snippets, and more."
 }
 </script>
@@ -540,7 +540,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/markdown.html b/markdown.html
index 0d2f8b883..cdda5aff4 100644
--- a/markdown.html
+++ b/markdown.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/markdown.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/markdown.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/markdown.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/markdown.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Markdown cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/markdown.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/markdown.jpg?t=20210804125746" ],
   "description": "The one-page guide to Markdown: usage, examples, links, snippets, and more."
 }
 </script>
@@ -614,7 +614,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-markdown.min.js'></script>
 
 
diff --git a/meow.html b/meow.html
index d233a31f3..92e8f1578 100644
--- a/meow.html
+++ b/meow.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/meow.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/meow.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/meow.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/meow.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-  "image": [ "https://assets.devhints.io/previews/meow.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/meow.jpg?t=20210804125746" ],
   "description": "One-page guide to Meow: usage, examples, and more. meow is the easiest way to write command line apps for Node.js."
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diff --git a/meta-tags.html b/meta-tags.html
index ecfe75d10..75fd75694 100644
--- a/meta-tags.html
+++ b/meta-tags.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/meta-tags.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/meta-tags.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/meta-tags.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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+'./assets/2017/style.css?t=20210804125746'
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Meta-tags gem cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/meta-tags.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/meta-tags.jpg?t=20210804125746" ],
   "description": "The one-page guide to Meta-tags gem: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/middleman.html b/middleman.html
index 5c75ef3d6..07ab5cb32 100644
--- a/middleman.html
+++ b/middleman.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/middleman.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/middleman.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/middleman.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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   "headline": "Middleman 3 cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/middleman.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/middleman.jpg?t=20210804125746" ],
   "description": "The one-page guide to Middleman 3: usage, examples, links, snippets, and more."
 }
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diff --git a/minimist.html b/minimist.html
index 4296aad88..db53cf79f 100644
--- a/minimist.html
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-  <meta content='https://assets.devhints.io/previews/minimist.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/minimist.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/minimist.jpg?t=20210804125746' property='twitter:image'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "minimist cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/minimist.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/minimist.jpg?t=20210804125746" ],
   "description": "The one-page guide to minimist: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/minitest.html b/minitest.html
index 131df01ce..4e8095e21 100644
--- a/minitest.html
+++ b/minitest.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/minitest.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/minitest.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/minitest.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <div class='all'>
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   "headline": "Minitest cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/minitest.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/minitest.jpg?t=20210804125746" ],
   "description": "The one-page guide to Minitest: usage, examples, links, snippets, and more."
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diff --git a/mixpanel.html b/mixpanel.html
index b1e3394f5..afe95cc20 100644
--- a/mixpanel.html
+++ b/mixpanel.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/mixpanel.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/mixpanel.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/mixpanel.jpg?t=20210804125746' property='twitter:image'>
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 <script type='application/ld+json'>
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   "headline": "Mixpanel cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/mixpanel.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mixpanel.jpg?t=20210804125746" ],
   "description": "The one-page guide to Mixpanel: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/mobx.html b/mobx.html
index 55a358a20..f77d619a6 100644
--- a/mobx.html
+++ b/mobx.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/mobx.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/mobx.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/mobx.jpg?t=20210804125746' property='twitter:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/mobx.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mobx.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/mocha-blanket.html b/mocha-blanket.html
index 29cbd2282..df326de0a 100644
--- a/mocha-blanket.html
+++ b/mocha-blanket.html
@@ -33,8 +33,8 @@
 
 
 
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+  <meta content='https://assets.devhints.io/previews/mocha-blanket.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/mocha-blanket.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mocha-blanket.jpg?t=20210804125746" ],
   "description": "One-page guide to Mocha blanket: usage, examples, and more. Use blanket for easy coverage reporting for Mocha JavaScript tests."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/mocha-html.html b/mocha-html.html
index ff1fb4b62..0a1784dc6 100644
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Mocha HTML cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/mocha-html.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mocha-html.jpg?t=20210804125746" ],
   "description": "The one-page guide to Mocha HTML: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/mocha-tdd.html b/mocha-tdd.html
index 01282cdfd..7342415f9 100644
--- a/mocha-tdd.html
+++ b/mocha-tdd.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/mocha-tdd.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/mocha-tdd.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/mocha-tdd.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Mocha.js TDD interface cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/mocha-tdd.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mocha-tdd.jpg?t=20210804125746" ],
   "description": "The one-page guide to Mocha.js TDD interface: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/mocha.html b/mocha.html
index cabc82477..d51038bab 100644
--- a/mocha.html
+++ b/mocha.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/mocha.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/mocha.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/mocha.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/mocha.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Mocha.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/mocha.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mocha.jpg?t=20210804125746" ],
   "description": "The one-page guide to Mocha.js: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/modella.html b/modella.html
index 1749112aa..444bb7a35 100644
--- a/modella.html
+++ b/modella.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/modella.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/modella.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/modella.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/modella.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Modella cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/modella.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/modella.jpg?t=20210804125746" ],
   "description": "One-page guide to Modella: usage, examples, and more. Modella allows you to create simple models in JavaScript. This is a guide on basic usage of Modella in CoffeeScript."
 }
 </script>
@@ -600,7 +600,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-coffeescript.min.js'></script>
 
 
diff --git a/modernizr.html b/modernizr.html
index 84d66701f..329acca0e 100644
--- a/modernizr.html
+++ b/modernizr.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/modernizr.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/modernizr.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/modernizr.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/modernizr.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Modernizr cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/modernizr.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/modernizr.jpg?t=20210804125746" ],
   "description": "The one-page guide to Modernizr: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/moment.html b/moment.html
index c364834c2..b9333c70b 100644
--- a/moment.html
+++ b/moment.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/moment.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/moment.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/moment.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/moment.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Moment.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/moment.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/moment.jpg?t=20210804125746" ],
   "description": "The one-page guide to Moment.js: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/mysql.html b/mysql.html
index 786246abe..2709af5b7 100644
--- a/mysql.html
+++ b/mysql.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/mysql.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/mysql.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/mysql.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/mysql.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "MySQL cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/mysql.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/mysql.jpg?t=20210804125746" ],
   "description": "The one-page guide to MySQL: usage, examples, links, snippets, and more."
 }
 </script>
@@ -692,7 +692,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/ncftp.html b/ncftp.html
index d1f4c3a66..a45ec8b10 100644
--- a/ncftp.html
+++ b/ncftp.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ncftp.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ncftp.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ncftp.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ncftp.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "ncftp cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ncftp.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ncftp.jpg?t=20210804125746" ],
   "description": "The one-page guide to ncftp: usage, examples, links, snippets, and more."
 }
 </script>
@@ -516,7 +516,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/nock.html b/nock.html
index 4202ee454..6a7778fc9 100644
--- a/nock.html
+++ b/nock.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/nock.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/nock.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/nock.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/nock.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
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+  "image": [ "https://assets.devhints.io/previews/nocode.jpg?t=20210804125746" ],
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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   },
   "headline": "Nopt cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/nopt.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/nopt.jpg?t=20210804125746" ],
   "description": "The one-page guide to Nopt: usage, examples, links, snippets, and more."
 }
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diff --git a/npm.html b/npm.html
index b5e6df63c..eb242f4ea 100644
--- a/npm.html
+++ b/npm.html
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-  <meta content='https://assets.devhints.io/previews/npm.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/npm.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/npm.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "npm cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/npm.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/npm.jpg?t=20210804125746" ],
   "description": "The one-page guide to npm: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/org-mode.html b/org-mode.html
index 502c64d6e..1545ad766 100644
--- a/org-mode.html
+++ b/org-mode.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/org-mode.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/org-mode.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/org-mode.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
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   "headline": "Org Mode cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/org-mode.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/org-mode.jpg?t=20210804125746" ],
   "description": "One-page guide to Org Mode: usage, examples, and more. Org mode is for keeping hierarchal notes (and more) in Emacs."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/osx.html b/osx.html
index b257a8b7c..7ba296f44 100644
--- a/osx.html
+++ b/osx.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/osx.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/osx.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/osx.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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   },
   "headline": "OS X cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/osx.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/osx.jpg?t=20210804125746" ],
   "description": "The one-page guide to OS X: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/package-json.html b/package-json.html
index 5a0992a19..b87847ba0 100644
--- a/package-json.html
+++ b/package-json.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/package-json.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/package-json.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/package-json.jpg?t=20210804125746' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "package.json cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/package-json.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/package-json.jpg?t=20210804125746" ],
   "description": "The one-page guide to package.json: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
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diff --git a/pacman.html b/pacman.html
index d396a3cfa..31ccd8c8f 100644
--- a/pacman.html
+++ b/pacman.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/pacman.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/pacman.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/pacman.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Pacman cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/pacman.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/pacman.jpg?t=20210804125746" ],
   "description": "One-page guide to Pacman: usage, examples, and more. Pacman is the package manager for Arch linux and its derivatives."
 }
 </script>
diff --git a/parsimmon.html b/parsimmon.html
index 0994d206e..1089c4368 100644
--- a/parsimmon.html
+++ b/parsimmon.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/parsimmon.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/parsimmon.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/parsimmon.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
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   },
   "headline": "Parsimmon cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/parsimmon.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/parsimmon.jpg?t=20210804125746" ],
   "description": "The one-page guide to Parsimmon: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/parsley.html b/parsley.html
index 7229824a1..025fa4d18 100644
--- a/parsley.html
+++ b/parsley.html
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-  <meta content='https://assets.devhints.io/previews/parsley.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/parsley.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/parsley.jpg?t=20210804125746' property='twitter:image'>
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 </noscript>
 
 <script type='application/ld+json'>
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   "headline": "Parsley.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/parsley.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/parsley.jpg?t=20210804125746" ],
   "description": "data-parsley-validate · $('#form').parsley() · errorClass · successClass · classHandler · errorsContainer · errorsWrapper · errorTemplate · Parsley provides frontend form validation."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/pass.html b/pass.html
index 46a5d27f0..01802b81d 100644
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-  <meta content='https://assets.devhints.io/previews/pass.jpg?t=20210620130712' property='twitter:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Pass cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/pass.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/pass.jpg?t=20210804125746" ],
   "description": "The one-page guide to Pass: usage, examples, links, snippets, and more."
 }
 </script>
@@ -543,7 +543,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/passenger.html b/passenger.html
index 4c387efb7..fffefddb4 100644
--- a/passenger.html
+++ b/passenger.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/passenger.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/passenger.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/passenger.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/passenger.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Phusion Passenger cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/passenger.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/passenger.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phusion Passenger: usage, examples, links, snippets, and more."
 }
 </script>
@@ -514,7 +514,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/perl-pie.html b/perl-pie.html
index 663d90d70..5c22a07d9 100644
--- a/perl-pie.html
+++ b/perl-pie.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/perl-pie.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/perl-pie.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/perl-pie.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/perl-pie.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Perl-pie cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/perl-pie.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/perl-pie.jpg?t=20210804125746" ],
   "description": "The one-page guide to Perl-pie: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ph-food-delivery.html b/ph-food-delivery.html
index 0cd969a9e..c8980bf77 100644
--- a/ph-food-delivery.html
+++ b/ph-food-delivery.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Food delivery (Philippines) cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ph-food-delivery.jpg?t=20210804125746" ],
   "description": "One-page guide to Food delivery (Philippines): usage, examples, and more. Food delivery numbers &amp; sites for top restaurant chains in Metro Manila. For numbers outside Metro Manila, check their websites."
 }
 </script>
@@ -699,7 +699,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix-conn.html b/phoenix-conn.html
index e0df9d09f..94a91e3aa 100644
--- a/phoenix-conn.html
+++ b/phoenix-conn.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Phoenix: Plug.Conn cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix-conn.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: Plug.Conn: usage, examples, links, snippets, and more."
 }
 </script>
@@ -631,7 +631,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix-ecto.html b/phoenix-ecto.html
index 071f4ed9c..230bf5ff2 100644
--- a/phoenix-ecto.html
+++ b/phoenix-ecto.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Phoenix: Ecto cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix-ecto.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: Ecto: usage, examples, links, snippets, and more."
 }
 </script>
@@ -717,7 +717,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix-ecto@1.2.html b/phoenix-ecto@1.2.html
index 3726862cd..5c2d43ad1 100644
--- a/phoenix-ecto@1.2.html
+++ b/phoenix-ecto@1.2.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Phoenix: Ecto models cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix-ecto@1.2.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: Ecto models: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/phoenix-migrations.html b/phoenix-migrations.html
index 5550a566d..5872eba38 100644
--- a/phoenix-migrations.html
+++ b/phoenix-migrations.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Phoenix: Ecto migrations cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix-migrations.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: Ecto migrations: usage, examples, links, snippets, and more."
 }
 </script>
@@ -583,7 +583,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix-routing.html b/phoenix-routing.html
index d3c67850d..f1e804495 100644
--- a/phoenix-routing.html
+++ b/phoenix-routing.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/phoenix-routing.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-routing.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix-routing.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
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   },
   "headline": "Phoenix: Routing cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix-routing.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix-routing.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: Routing: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix.html b/phoenix.html
index 100a5cd27..217a25b1b 100644
--- a/phoenix.html
+++ b/phoenix.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Phoenix cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix: usage, examples, links, snippets, and more."
 }
 </script>
@@ -613,7 +613,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/phoenix@1.2.html b/phoenix@1.2.html
index f1b3bcfa4..4ebb74dd2 100644
--- a/phoenix@1.2.html
+++ b/phoenix@1.2.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Phoenix 1.2 cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/phoenix@1.2.jpg?t=20210804125746" ],
   "description": "The one-page guide to Phoenix 1.2: usage, examples, links, snippets, and more."
 }
 </script>
@@ -521,7 +521,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/plantuml.html b/plantuml.html
index 8a5e23e5e..ac1668bd4 100644
--- a/plantuml.html
+++ b/plantuml.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/plantuml.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/plantuml.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/plantuml.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/plantuml.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "PlantUML cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/plantuml.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/plantuml.jpg?t=20210804125746" ],
   "description": "The one-page guide to PlantUML: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/pm2.html b/pm2.html
index 579bbab62..191862a1a 100644
--- a/pm2.html
+++ b/pm2.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/pm2.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/pm2.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/pm2.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/pm2.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "pm2 cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/pm2.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/pm2.jpg?t=20210804125746" ],
   "description": "The one-page guide to pm2: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/polyfill.io.html b/polyfill.io.html
index 2fffd5028..32dde94bd 100644
--- a/polyfill.io.html
+++ b/polyfill.io.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/polyfill.io.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/polyfill.io.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/polyfill.io.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Polyfill.io cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/polyfill.io.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/polyfill.io.jpg?t=20210804125746" ],
   "description": "One-page guide to Polyfill.io: usage, examples, and more. Polyfill.io is a service that serves JavaScript polyfills."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/postgresql-json.html b/postgresql-json.html
index 8ea966a42..739abe394 100644
--- a/postgresql-json.html
+++ b/postgresql-json.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/postgresql-json.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/postgresql-json.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/postgresql-json.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
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 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "PostgreSQL JSON cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/postgresql-json.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/postgresql-json.jpg?t=20210804125746" ],
   "description": "The one-page guide to PostgreSQL JSON: usage, examples, links, snippets, and more."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-sql.min.js'></script>
 
 
diff --git a/postgresql.html b/postgresql.html
index 3280e0a77..6350fd3b5 100644
--- a/postgresql.html
+++ b/postgresql.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/postgresql.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/postgresql.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/postgresql.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "PostgreSQL cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/postgresql.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/postgresql.jpg?t=20210804125746" ],
   "description": "The one-page guide to PostgreSQL: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/premailer.html b/premailer.html
index c13810c2b..2cedefb05 100644
--- a/premailer.html
+++ b/premailer.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/premailer.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/premailer.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/premailer.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/premailer.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Premailer cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/premailer.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/premailer.jpg?t=20210804125746" ],
   "description": "One-page guide to Premailer: usage, examples, and more. Premailer is a Ruby library that inlines CSS into HTML."
 }
 </script>
@@ -526,7 +526,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/projectionist.html b/projectionist.html
index 8f1b3767b..093d9e08f 100644
--- a/projectionist.html
+++ b/projectionist.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/projectionist.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/projectionist.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/projectionist.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/projectionist.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Projectionist cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/projectionist.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/projectionist.jpg?t=20210804125746" ],
   "description": "The one-page guide to Projectionist: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/promise.html b/promise.html
index 45e5cb10e..e539d1c1c 100644
--- a/promise.html
+++ b/promise.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/promise.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/promise.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/promise.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/promise.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Promises cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/promise.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/promise.jpg?t=20210804125746" ],
   "description": "The one-page guide to Promises: usage, examples, links, snippets, and more."
 }
 </script>
@@ -564,7 +564,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/pry.html b/pry.html
index c5de05e79..2c4ab2ce6 100644
--- a/pry.html
+++ b/pry.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/pry.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/pry.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/pry.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/pry.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Pry cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/pry.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/pry.jpg?t=20210804125746" ],
   "description": "The one-page guide to Pry: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/psdrb.html b/psdrb.html
index 3bee0e396..6a83fcb46 100644
--- a/psdrb.html
+++ b/psdrb.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/psdrb.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/psdrb.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/psdrb.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/psdrb.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "PSD.rb cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/psdrb.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/psdrb.jpg?t=20210804125746" ],
   "description": "One-page guide to PSD.rb: usage, examples, and more. PSD.rb parses Photoshop documents in Ruby."
 }
 </script>
@@ -591,7 +591,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/pug.html b/pug.html
index 23c47fdf5..44b126c4a 100644
--- a/pug.html
+++ b/pug.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/pug.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/pug.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/pug.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/pug.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Pug cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/pug.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/pug.jpg?t=20210804125746" ],
   "description": "The one-page guide to Pug: usage, examples, links, snippets, and more."
 }
 </script>
@@ -656,7 +656,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-jade.min.js'></script>
 
 
diff --git a/python.html b/python.html
index ad05f9521..a1a122e7d 100644
--- a/python.html
+++ b/python.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/python.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/python.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/python.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/python.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Python cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/python.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/python.jpg?t=20210804125746" ],
   "description": "The one-page guide to Python: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/qjs.html b/qjs.html
index c552649dc..c9864068e 100644
--- a/qjs.html
+++ b/qjs.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/qjs.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/qjs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/qjs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/qjs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Q.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/qjs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/qjs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Q.js: usage, examples, links, snippets, and more."
 }
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diff --git a/qunit.html b/qunit.html
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+  "image": [ "https://assets.devhints.io/previews/ractive.jpg?t=20210804125746" ],
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+  "image": [ "https://assets.devhints.io/previews/rails-helpers.jpg?t=20210804125746" ],
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+  "image": [ "https://assets.devhints.io/previews/rails-i18n.jpg?t=20210804125746" ],
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diff --git a/rails-migrations.html b/rails-migrations.html
index 46eb21701..a76e7305a 100644
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+  "image": [ "https://assets.devhints.io/previews/rails-migrations.jpg?t=20210804125746" ],
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-  "image": [ "https://assets.devhints.io/previews/rails-models.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rails-models.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rails models: usage, examples, links, snippets, and more."
 }
 </script>
@@ -985,7 +985,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/rails-plugins.html b/rails-plugins.html
index 45a46d1f4..a884b8407 100644
--- a/rails-plugins.html
+++ b/rails-plugins.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rails-plugins.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rails-plugins.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rails-plugins.jpg?t=20210804125746' property='twitter:image'>
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Rails plugins cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rails-plugins.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rails-plugins.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rails plugins: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/rails-routes.html b/rails-routes.html
index ad53e6421..9d55b4e30 100644
--- a/rails-routes.html
+++ b/rails-routes.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rails-routes.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rails-routes.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rails-routes.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Routes cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rails-routes.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rails-routes.jpg?t=20210804125746" ],
   "description": "The one-page guide to Routes: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/rails-tricks.html b/rails-tricks.html
index 70a9208a1..28350b18a 100644
--- a/rails-tricks.html
+++ b/rails-tricks.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rails-tricks.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rails-tricks.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rails-tricks.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Rails tricks cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rails-tricks.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rails-tricks.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rails tricks: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/rails.html b/rails.html
index 650b5c79b..6bcdee521 100644
--- a/rails.html
+++ b/rails.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rails.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rails.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rails.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Rails cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rails.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rails.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rails: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/rake.html b/rake.html
index 810b9f7b4..8b468199e 100644
--- a/rake.html
+++ b/rake.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rake.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rake.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rake.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Rake cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rake.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rake.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rake: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/rbenv.html b/rbenv.html
index 0f47cd885..61a696c33 100644
--- a/rbenv.html
+++ b/rbenv.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/rbenv.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/rbenv.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rbenv.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rbenv.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "rbenv cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rbenv.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rbenv.jpg?t=20210804125746" ],
   "description": "A one-page guide to rbenv Ruby version manager, with usage examples and more. rbenv lets you manage installations of multiple Ruby versions."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/rdoc.html b/rdoc.html
index 0e18029a0..cac0646fc 100644
--- a/rdoc.html
+++ b/rdoc.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/rdoc.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/rdoc.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rdoc.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rdoc.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Rdoc cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rdoc.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rdoc.jpg?t=20210804125746" ],
   "description": "The one-page guide to Rdoc: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/react-router.html b/react-router.html
index 7f2e4bda6..e366eff11 100644
--- a/react-router.html
+++ b/react-router.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/react-router.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/react-router.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/react-router.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
diff --git a/react.html b/react.html
index 41bc96892..eb20e571d 100644
--- a/react.html
+++ b/react.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/react.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/react.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/react.jpg?t=20210804125746' property='twitter:image'>
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@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "React.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/react.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/react.jpg?t=20210804125746" ],
   "description": "React.Component · render() · componentDidMount() · props/state · dangerouslySetInnerHTML · React is a JavaScript library for building user interfaces. This guide targets React v15 to v16."
 }
 </script>
@@ -1423,7 +1423,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/react@0.14.html b/react@0.14.html
index c97373a77..3ffac3819 100644
--- a/react@0.14.html
+++ b/react@0.14.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/react@0.14.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/react@0.14.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/react@0.14.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/react@0.14.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "React.js (v0.14) cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/react@0.14.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/react@0.14.jpg?t=20210804125746" ],
   "description": "One-page guide to React.js (v0.14): usage, examples, and more. Deprecated: this guide targets an old version of React (v0.14). See the updated React cheatsheet for new versions."
 }
 </script>
@@ -938,7 +938,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/redux.html b/redux.html
index 681445505..8bf24350f 100644
--- a/redux.html
+++ b/redux.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/redux.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/redux.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/redux.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/redux.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Redux cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/redux.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/redux.jpg?t=20210804125746" ],
   "description": "The one-page guide to Redux: usage, examples, links, snippets, and more."
 }
 </script>
@@ -654,7 +654,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/regexp.html b/regexp.html
index 58f7d881f..45f4e3b9a 100644
--- a/regexp.html
+++ b/regexp.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/regexp.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/regexp.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/regexp.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/regexp.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "regexp cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/regexp.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/regexp.jpg?t=20210804125746" ],
   "description": "Basic cheatsheets for regular expression · One-page guide to regexp"
 }
 </script>
@@ -733,7 +733,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/rename.html b/rename.html
index 9c04e7e02..e9138e330 100644
--- a/rename.html
+++ b/rename.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/rename.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/rename.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rename.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rename.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "rename cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rename.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rename.jpg?t=20210804125746" ],
   "description": "The one-page guide to rename: usage, examples, links, snippets, and more."
 }
 </script>
@@ -545,7 +545,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/resolutions.html b/resolutions.html
index 11997cb47..87122aa2e 100644
--- a/resolutions.html
+++ b/resolutions.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/resolutions.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/resolutions.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/resolutions.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/resolutions.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Screen resolutions cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/resolutions.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/resolutions.jpg?t=20210804125746" ],
   "description": "The one-page guide to Screen resolutions: usage, examples, links, snippets, and more."
 }
 </script>
@@ -666,7 +666,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/rest-api.html b/rest-api.html
index c855ae982..cacc897e3 100644
--- a/rest-api.html
+++ b/rest-api.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/rest-api.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/rest-api.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rest-api.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/rest-api.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "RESTful API cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rest-api.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rest-api.jpg?t=20210804125746" ],
   "description": "The one-page guide to RESTful API: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/riot.html b/riot.html
index 7d444b84f..1768758d1 100644
--- a/riot.html
+++ b/riot.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/riot.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/riot.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/riot.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/riot.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
diff --git a/rollup.html b/rollup.html
index 3d1b3c535..bc12e2f70 100644
--- a/rollup.html
+++ b/rollup.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rollup.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rollup.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Rollup.js cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rollup.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rollup.jpg?t=20210804125746" ],
   "description": "rollup.watch · bundle · rollup.config.js · Rollup Rollup is a module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/ronn.html b/ronn.html
index c25302dfc..650459833 100644
--- a/ronn.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/ronn.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ronn.jpg?t=20210804125746' property='og:image'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Ronn cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ronn.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ronn.jpg?t=20210804125746" ],
   "description": "One-page guide to Ronn: usage, examples, and more. Ronn generates Man pages. See ronn(1), ronn-format(7). Also see it on GitHub: rtomayko/ronn."
 }
 </script>
@@ -713,7 +713,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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diff --git a/rspec-rails.html b/rspec-rails.html
index 66444594c..0b9655bc0 100644
--- a/rspec-rails.html
+++ b/rspec-rails.html
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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   "headline": "Rspec-rails cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/rspec-rails.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rspec-rails.jpg?t=20210804125746" ],
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diff --git a/rspec.html b/rspec.html
index e262de97d..961f4d0c0 100644
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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-  "image": [ "https://assets.devhints.io/previews/rspec.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rspec.jpg?t=20210804125746" ],
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 }
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diff --git a/rst.html b/rst.html
index a9fbba714..1b9bd1f26 100644
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+  <meta content='https://assets.devhints.io/previews/rst.jpg?t=20210804125746' property='og:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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-  "image": [ "https://assets.devhints.io/previews/rst.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rst.jpg?t=20210804125746" ],
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diff --git a/rsync.html b/rsync.html
index 2cef37fc1..edc7cf5ab 100644
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-  <meta content='https://assets.devhints.io/previews/rsync.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/rsync.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/rsync.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rsync.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/rtorrent.html b/rtorrent.html
index b0aaf3940..3c3181839 100644
--- a/rtorrent.html
+++ b/rtorrent.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/rtorrent.jpg?t=20210620130712' property='twitter:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/rtorrent.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rtorrent.jpg?t=20210804125746" ],
   "description": "One-page guide to rTorrent: usage, examples, and more. rTorrent is a command-line torrent application. Here are some shortcut keys."
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diff --git a/ruby.html b/ruby.html
index 5ccb1405e..324d19a6f 100644
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-  <meta content='https://assets.devhints.io/previews/ruby.jpg?t=20210620130712' property='twitter:image'>
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+  "image": [ "https://assets.devhints.io/previews/ruby.jpg?t=20210804125746" ],
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diff --git a/ruby21.html b/ruby21.html
index daaca1ded..bdd3cc66b 100644
--- a/ruby21.html
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-  <meta content='https://assets.devhints.io/previews/ruby21.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ruby21.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/ruby21.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ruby21.jpg?t=20210804125746" ],
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diff --git a/rubygems.html b/rubygems.html
index 6036d93b4..84a0488b6 100644
--- a/rubygems.html
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-  "image": [ "https://assets.devhints.io/previews/rubygems.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/rubygems.jpg?t=20210804125746" ],
   "description": "One-page guide to Rubygems: usage, examples, and more. A quick reference to common rubygems CLI commands."
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diff --git a/sass.html b/sass.html
index c301916e5..0894502a0 100644
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-  <meta content='https://assets.devhints.io/previews/sass.jpg?t=20210620130712' property='twitter:image'>
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-  "image": [ "https://assets.devhints.io/previews/sass.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sass.jpg?t=20210804125746" ],
   "description": "Variables · mixins · darken() · adjust-color() · @for @each @while @if @else · $list: (a b c) · $map: (a: b, c: d) · One-page guide to Sass"
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diff --git a/saucelabs.html b/saucelabs.html
index 6e120d57e..89098bbc2 100644
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+++ b/saucelabs.html
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-  "image": [ "https://assets.devhints.io/previews/saucelabs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/saucelabs.jpg?t=20210804125746" ],
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diff --git a/scp.html b/scp.html
index 71809c206..08d858427 100644
--- a/scp.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/scp.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/scp.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/scp.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/scp.jpg?t=20210804125746" ],
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diff --git a/screen.html b/screen.html
index 424a92e31..df9174667 100644
--- a/screen.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/screen.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/screen.jpg?t=20210804125746' property='og:image'>
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+  "image": [ "https://assets.devhints.io/previews/screen.jpg?t=20210804125746" ],
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diff --git a/sed.html b/sed.html
index 98d46d03d..f223dba5b 100644
--- a/sed.html
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/sed.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sed.jpg?t=20210804125746" ],
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diff --git a/semver.html b/semver.html
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-  "image": [ "https://assets.devhints.io/previews/semver.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/semver.jpg?t=20210804125746" ],
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 }
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diff --git a/sequel.html b/sequel.html
index 7af78a199..a6ae4c0d1 100644
--- a/sequel.html
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-  <meta content='https://assets.devhints.io/previews/sequel.jpg?t=20210620130712' property='twitter:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
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+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
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-  "image": [ "https://assets.devhints.io/previews/sequel.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sequel.jpg?t=20210804125746" ],
   "description": "The one-page guide to Sequel: usage, examples, links, snippets, and more."
 }
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diff --git a/sequelize.html b/sequelize.html
index 03b0ee5d4..75390eeb8 100644
--- a/sequelize.html
+++ b/sequelize.html
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
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-  "image": [ "https://assets.devhints.io/previews/sequelize.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sequelize.jpg?t=20210804125746" ],
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diff --git a/sh-pipes.html b/sh-pipes.html
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/sh-pipes.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sh-pipes.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/shelljs.html b/shelljs.html
index 6d43cd9dc..bcfb5f98c 100644
--- a/shelljs.html
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-  <meta content='https://assets.devhints.io/previews/shelljs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/shelljs.jpg?t=20210804125746' property='og:image'>
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/shelljs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/shelljs.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/siege.html b/siege.html
index eabefaf23..17e558c6d 100644
--- a/siege.html
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@@ -33,8 +33,8 @@
 
 
 
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+  <meta content='https://assets.devhints.io/previews/siege.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/siege.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/siege.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/simple_form.html b/simple_form.html
index 3b7392b2e..52344cd5b 100644
--- a/simple_form.html
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+  "image": [ "https://assets.devhints.io/previews/simple_form.jpg?t=20210804125746" ],
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
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diff --git a/sinon-chai.html b/sinon-chai.html
index cdc4774ad..5d01e66f4 100644
--- a/sinon-chai.html
+++ b/sinon-chai.html
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 <div class='all'>
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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   },
   "headline": "Sinon cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/sinon.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sinon.jpg?t=20210804125746" ],
   "description": "The one-page guide to Sinon: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/sketch.html b/sketch.html
index cceab3a65..f61a8e3dc 100644
--- a/sketch.html
+++ b/sketch.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/sketch.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/sketch.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/sketch.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Sketch cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/sketch.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sketch.jpg?t=20210804125746" ],
   "description": "The one-page guide to Sketch: usage, examples, links, snippets, and more."
 }
 </script>
@@ -727,7 +727,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/slim.html b/slim.html
index 90e6186b0..06a84fc85 100644
--- a/slim.html
+++ b/slim.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/slim.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/slim.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/slim.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/slim.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Slim cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/slim.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/slim.jpg?t=20210804125746" ],
   "description": "The one-page guide to Slim: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-jade.min.js'></script>
 
 
diff --git a/social-images.html b/social-images.html
index 023568eb4..4c1956d73 100644
--- a/social-images.html
+++ b/social-images.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/social-images.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/social-images.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/social-images.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/social-images.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Social media images cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/social-images.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/social-images.jpg?t=20210804125746" ],
   "description": "The one-page guide to Social media images: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/spacemacs.html b/spacemacs.html
index 2f1b9ea16..dff5df77c 100644
--- a/spacemacs.html
+++ b/spacemacs.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/spacemacs.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/spacemacs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/spacemacs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/spacemacs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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-'./assets/2017/style.css?t=20210620130712'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Spacemacs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/spacemacs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/spacemacs.jpg?t=20210804125746" ],
   "description": "One-page guide to Spacemacs: usage, examples, and more. Spacemacs is a distribution for Emacs."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/spine.html b/spine.html
index e51ca66e5..111933e73 100644
--- a/spine.html
+++ b/spine.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/spine.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/spine.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/spine.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/spine.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Spine cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/spine.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/spine.jpg?t=20210804125746" ],
   "description": "The one-page guide to Spine: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/spreadsheet.html b/spreadsheet.html
index 346da7c86..5fb6e30bd 100644
--- a/spreadsheet.html
+++ b/spreadsheet.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/spreadsheet.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/spreadsheet.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/spreadsheet.jpg?t=20210804125746' property='twitter:image'>
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Spreadsheet functions cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/spreadsheet.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/spreadsheet.jpg?t=20210804125746" ],
   "description": "The one-page guide to Spreadsheet functions: usage, examples, links, snippets, and more."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/sql-join.html b/sql-join.html
index 2f1dee5b8..b2eb92df6 100644
--- a/sql-join.html
+++ b/sql-join.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/sql-join.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/sql-join.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/sql-join.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   "headline": "SQL joins cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/sql-join.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sql-join.jpg?t=20210804125746" ],
   "description": "The one-page guide to SQL joins: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/stencil.html b/stencil.html
index 121b47880..7f5ce53fb 100644
--- a/stencil.html
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@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/stencil.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/stencil.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/stencil.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Stencil cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/stencil.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/stencil.jpg?t=20210804125746" ],
   "description": "@Component · @Prop() · @State() · render() · componentWillLoad() · componentWillUpdate() · Templating · Lifecycle · Stencil is a compiler for web components made by the Ionic team. This guide targets Stencil v0.0.5."
 }
 </script>
@@ -693,7 +693,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/stimulus-reflex.html b/stimulus-reflex.html
index 730d0cad0..91633918b 100644
--- a/stimulus-reflex.html
+++ b/stimulus-reflex.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "StimulusReflex cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/stimulus-reflex.jpg?t=20210804125746" ],
   "description": "The one-page guide to StimulusReflex: usage, examples, links, snippets, and more."
 }
 </script>
@@ -721,7 +721,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/strftime.html b/strftime.html
index 53d52a377..934612aa8 100644
--- a/strftime.html
+++ b/strftime.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/strftime.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/strftime.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/strftime.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/strftime.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "strftime format cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/strftime.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/strftime.jpg?t=20210804125746" ],
   "description": "One-page guide to strftime format: usage, examples, and more. The strftime format is the standard date formatting for UNIX. It’s used in C, Ruby, and more."
 }
 </script>
@@ -688,7 +688,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/stylus.html b/stylus.html
index a3659ea9e..c9d08e699 100644
--- a/stylus.html
+++ b/stylus.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/stylus.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/stylus.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/stylus.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/stylus.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Stylus cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/stylus.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/stylus.jpg?t=20210804125746" ],
   "description": "The one-page guide to Stylus: usage, examples, links, snippets, and more."
 }
 </script>
@@ -881,7 +881,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-stylus.min.js'></script>
 
 
diff --git a/sublime-text.html b/sublime-text.html
index 8ab105087..ebd294c85 100644
--- a/sublime-text.html
+++ b/sublime-text.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/sublime-text.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/sublime-text.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/sublime-text.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/sublime-text.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Sublime Text cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/sublime-text.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/sublime-text.jpg?t=20210804125746" ],
   "description": "The one-page guide to Sublime Text: usage, examples, links, snippets, and more."
 }
 </script>
@@ -611,7 +611,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/superagent.html b/superagent.html
index 18541a6a8..24b8a18b2 100644
--- a/superagent.html
+++ b/superagent.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/superagent.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/superagent.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/superagent.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/superagent.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -94,9 +94,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -118,7 +118,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Superagent cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/superagent.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/superagent.jpg?t=20210804125746" ],
   "description": "The one-page guide to Superagent: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/tabular.html b/tabular.html
index 1ad1dce53..52c23dbfd 100644
--- a/tabular.html
+++ b/tabular.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/tabular.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/tabular.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/tabular.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/tabular.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Tabular cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/tabular.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/tabular.jpg?t=20210804125746" ],
   "description": "One-page guide to Tabular: usage, examples, and more. Tabular is a Vim script for text alignment."
 }
 </script>
@@ -624,7 +624,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/tape.html b/tape.html
index 99476acdc..7a467a494 100644
--- a/tape.html
+++ b/tape.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/tape.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/tape.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/tape.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/tape.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
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   },
   "headline": "Tape cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/tape.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/tape.jpg?t=20210804125746" ],
   "description": "The one-page guide to Tape: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/textile.html b/textile.html
index db799fc8a..a9aa36a15 100644
--- a/textile.html
+++ b/textile.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/textile.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/textile.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/textile.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Textile cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/textile.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/textile.jpg?t=20210804125746" ],
   "description": "The one-page guide to Textile: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/tig.html b/tig.html
index 85dbe1a28..7121603ba 100644
--- a/tig.html
+++ b/tig.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/tig.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/tig.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/tig.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Tig cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/tig.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/tig.jpg?t=20210804125746" ],
   "description": "The one-page guide to Tig: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/tmux.html b/tmux.html
index 36d016cc9..ecda7d614 100644
--- a/tmux.html
+++ b/tmux.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/tmux.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/tmux.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/tmux.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "tmux cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/tmux.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/tmux.jpg?t=20210804125746" ],
   "description": "The one-page guide to tmux: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/tomdoc.html b/tomdoc.html
index 6b6e41d51..ad3bff8f5 100644
--- a/tomdoc.html
+++ b/tomdoc.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/tomdoc.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/tomdoc.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/tomdoc.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Tomdoc cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/tomdoc.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/tomdoc.jpg?t=20210804125746" ],
   "description": "The one-page guide to Tomdoc: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/top.html b/top.html
index 3dbb98106..1c8ce5c36 100644
--- a/top.html
+++ b/top.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/top.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/top.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/top.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/top.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "top cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/top.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/top.jpg?t=20210804125746" ],
   "description": "One-page guide to top: usage, examples, and more. See the processes in your Unix machine."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/travis.html b/travis.html
index d3bb72cf1..dc47524d8 100644
--- a/travis.html
+++ b/travis.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/travis.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/travis.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/travis.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/travis.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Travis.yml cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/travis.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/travis.jpg?t=20210804125746" ],
   "description": "One-page guide to Travis.yml: usage, examples, and more. Quick reference for Travis CI yaml configuration. See official documentation."
 }
 </script>
@@ -623,7 +623,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-yaml.min.js'></script>
 
 
diff --git a/typescript.html b/typescript.html
index d0dde8362..c24babd19 100644
--- a/typescript.html
+++ b/typescript.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/typescript.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/typescript.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/typescript.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/typescript.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "TypeScript cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/typescript.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/typescript.jpg?t=20210804125746" ],
   "description": "The one-page guide to TypeScript: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/ubuntu.html b/ubuntu.html
index 1c4527ddf..12260120f 100644
--- a/ubuntu.html
+++ b/ubuntu.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/ubuntu.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/ubuntu.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/ubuntu.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/ubuntu.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Ubuntu cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/ubuntu.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/ubuntu.jpg?t=20210804125746" ],
   "description": "The one-page guide to Ubuntu: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/umdjs.html b/umdjs.html
index 7573f124e..f0185f6b3 100644
--- a/umdjs.html
+++ b/umdjs.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/umdjs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/umdjs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/umdjs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Universal JS module loader cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/umdjs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/umdjs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Universal JS module loader: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/underscore-string.html b/underscore-string.html
index 96acf6c44..83cce6288 100644
--- a/underscore-string.html
+++ b/underscore-string.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/underscore-string.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/underscore-string.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/underscore-string.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
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@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Underscore-string cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/underscore-string.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/underscore-string.jpg?t=20210804125746" ],
   "description": "The one-page guide to Underscore-string: usage, examples, links, snippets, and more."
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 </script>
diff --git a/unicode.html b/unicode.html
index 57c37a7ac..d5f6f745a 100644
--- a/unicode.html
+++ b/unicode.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/unicode.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/unicode.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/unicode.jpg?t=20210804125746' property='twitter:image'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Unicode symbols cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/unicode.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/unicode.jpg?t=20210804125746" ],
   "description": "The one-page guide to Unicode symbols: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vagrant.html b/vagrant.html
index a7d5ce7ca..aded2b4cb 100644
--- a/vagrant.html
+++ b/vagrant.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vagrant.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vagrant.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vagrant.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Vagrant cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vagrant.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vagrant.jpg?t=20210804125746" ],
   "description": "One-page guide to Vagrant: usage, examples, and more. Vagrant lets you build isolated virtual environments for your apps."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vagrantfile.html b/vagrantfile.html
index c74efb899..bfb7344f4 100644
--- a/vagrantfile.html
+++ b/vagrantfile.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vagrantfile.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vagrantfile.jpg?t=20210804125746' property='og:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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 <script type='application/ld+json'>
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   "headline": "Vagrantfile cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vagrantfile.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vagrantfile.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vagrantfile: usage, examples, links, snippets, and more."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vainglory.html b/vainglory.html
index ce795603b..eae60d6e3 100644
--- a/vainglory.html
+++ b/vainglory.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vainglory.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vainglory.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vainglory.jpg?t=20210804125746' property='twitter:image'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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   "headline": "Vainglory cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vainglory.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vainglory.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vainglory: usage, examples, links, snippets, and more."
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 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vim-diff.html b/vim-diff.html
index 31331ebe5..ce7a41eeb 100644
--- a/vim-diff.html
+++ b/vim-diff.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vim-diff.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-diff.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim-diff.jpg?t=20210804125746' property='twitter:image'>
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 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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   "headline": "Vimdiff cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-diff.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-diff.jpg?t=20210804125746" ],
   "description": "One-page guide to Vimdiff: usage, examples, and more. Vim is a very efficient text editor. This reference was made for Vim 8.0."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vim-digraphs.html b/vim-digraphs.html
index f22abefce..bd3a40b09 100644
--- a/vim-digraphs.html
+++ b/vim-digraphs.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vim-digraphs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-digraphs.jpg?t=20210804125746' property='og:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Vim digraphs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-digraphs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-digraphs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim digraphs: usage, examples, links, snippets, and more."
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 </script>
diff --git a/vim-easyalign.html b/vim-easyalign.html
index dc57614af..ca256e845 100644
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+++ b/vim-easyalign.html
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-  <meta content='https://assets.devhints.io/previews/vim-easyalign.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-easyalign.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim-easyalign.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Vim Easyalign cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-easyalign.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-easyalign.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim Easyalign: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vim-help.html b/vim-help.html
index 14effa360..690dcf60e 100644
--- a/vim-help.html
+++ b/vim-help.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vim-help.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vim-help.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-help.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim-help.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Vim helpfiles cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-help.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-help.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim helpfiles: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vim-rails.html b/vim-rails.html
index 6d7003bec..036437c81 100644
--- a/vim-rails.html
+++ b/vim-rails.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vim-rails.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vim-rails.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-rails.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim-rails.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Vim-rails cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-rails.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-rails.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim-rails: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vim-unite.html b/vim-unite.html
index 195d8eb9d..827fc103c 100644
--- a/vim-unite.html
+++ b/vim-unite.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vim-unite.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vim-unite.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim-unite.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim-unite.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Vim-Unite cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim-unite.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim-unite.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim-Unite: usage, examples, links, snippets, and more."
 }
 </script>
@@ -569,7 +569,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vim.html b/vim.html
index ab5241185..40392e856 100644
--- a/vim.html
+++ b/vim.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vim.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vim.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vim.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vim.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Vim cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vim.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vim.jpg?t=20210804125746" ],
   "description": "One-page guide to Vim: usage, examples, and more. Vim is a very efficient text editor. This reference was made for Vim 8.0. For shortcut notation, see :help key-notation."
 }
 </script>
@@ -1691,7 +1691,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/vimscript-functions.html b/vimscript-functions.html
index eecdaad04..e850d158e 100644
--- a/vimscript-functions.html
+++ b/vimscript-functions.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Vimscript functions cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vimscript-functions.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vimscript functions: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vimscript-snippets.html b/vimscript-snippets.html
index 21a7cebe9..32f839997 100644
--- a/vimscript-snippets.html
+++ b/vimscript-snippets.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Vimscript snippets cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vimscript-snippets.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vimscript snippets: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vimscript.html b/vimscript.html
index 4ca7bb9dc..c0b2f6119 100644
--- a/vimscript.html
+++ b/vimscript.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/vimscript.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/vimscript.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
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+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Vim scripting cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vimscript.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vimscript.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vim scripting: usage, examples, links, snippets, and more."
 }
 </script>
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-vim.min.js'></script>
 
 
diff --git a/virtual-dom.html b/virtual-dom.html
index a29b720b0..8051f2f9f 100644
--- a/virtual-dom.html
+++ b/virtual-dom.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/virtual-dom.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/virtual-dom.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/virtual-dom.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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   "headline": "Virtual-dom cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/virtual-dom.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/virtual-dom.jpg?t=20210804125746" ],
   "description": "The one-page guide to Virtual-dom: usage, examples, links, snippets, and more."
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diff --git a/vows.html b/vows.html
index cf1c301ab..722eaa1f6 100644
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-  <meta content='https://assets.devhints.io/previews/vows.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/vows.jpg?t=20210804125746' property='og:image'>
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-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
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 <div class='all'>
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   "headline": "Vows cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vows.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vows.jpg?t=20210804125746" ],
   "description": "The one-page guide to Vows: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/vscode.html b/vscode.html
index 1f8bb7519..ba5466a2d 100644
--- a/vscode.html
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 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Visual Studio Code cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/vscode.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vscode.jpg?t=20210804125746" ],
   "description": "⌘P: Show files · ⌘B: Toggle sidebar · ⌘J: Toggle panel · F5: Debug · Visual Studio Code, or VSCode, is an open-source code editor. This guide targets VSCode v1.19."
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diff --git a/vue.html b/vue.html
index bf9dcf112..070c7ec17 100644
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 <script type='application/ld+json'>
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-  "image": [ "https://assets.devhints.io/previews/vue.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vue.jpg?t=20210804125746" ],
   "description": "One-page guide to Vue.js: usage, examples, and more. Vue.js is an open-source Model–view–viewmodel JavaScript framework for building user interfaces and single-page applications."
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diff --git a/vue@1.0.28.html b/vue@1.0.28.html
index 2ece6697d..a3f90f9df 100644
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-  "image": [ "https://assets.devhints.io/previews/vue@1.0.28.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/vue@1.0.28.jpg?t=20210804125746" ],
   "description": "One-page guide to Vue.js v1.0.28: usage, examples, and more. Deprecated: this guide targets an old version of Vuej.js (v1.0.28). See the updated Vue.js cheatsheet for new versions."
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diff --git a/watchexec.html b/watchexec.html
index f80c7459e..0b2302d00 100644
--- a/watchexec.html
+++ b/watchexec.html
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+  <meta content='https://assets.devhints.io/previews/watchexec.jpg?t=20210804125746' property='og:image'>
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-  "image": [ "https://assets.devhints.io/previews/watchexec.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/watchexec.jpg?t=20210804125746" ],
   "description": "watchexec --excts js,jsx -- npm test · watchexec --help · mattgreen/watchexec runs commands whenever certain files change."
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diff --git a/watchman.html b/watchman.html
index 18d5089ec..1121bfa94 100644
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 <script type='application/ld+json'>
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+  "image": [ "https://assets.devhints.io/previews/watchman.jpg?t=20210804125746" ],
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diff --git a/web-workers.html b/web-workers.html
index 2072efd14..9f828f398 100644
--- a/web-workers.html
+++ b/web-workers.html
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+  "image": [ "https://assets.devhints.io/previews/web-workers.jpg?t=20210804125746" ],
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 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/webpack.html b/webpack.html
index 2044e9b3e..0b688b7d0 100644
--- a/webpack.html
+++ b/webpack.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/webpack.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/webpack.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/webpack.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/webpack.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Webpack cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/webpack.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/webpack.jpg?t=20210804125746" ],
   "description": "One-page guide to Webpack: usage, examples, and more. This is a very basic “getting started with Webpack” guide for use with Webpack v3. This doesn’t cover all features, but it should get you started in understanding the config file format."
 }
 </script>
@@ -685,7 +685,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/weechat.html b/weechat.html
index 6cadd312c..7ec03638e 100644
--- a/weechat.html
+++ b/weechat.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/weechat.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/weechat.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/weechat.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/weechat.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Weechat cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/weechat.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/weechat.jpg?t=20210804125746" ],
   "description": "The one-page guide to Weechat: usage, examples, links, snippets, and more."
 }
 </script>
@@ -592,7 +592,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/weinre.html b/weinre.html
index 24ea580d4..0a90c88b8 100644
--- a/weinre.html
+++ b/weinre.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/weinre.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/weinre.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/weinre.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/weinre.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Weinre cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/weinre.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/weinre.jpg?t=20210804125746" ],
   "description": "One-page guide to Weinre: usage, examples, and more. weinre is a remote Web inspector. Note that it has been deprecated since 2016."
 }
 </script>
@@ -528,7 +528,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/wip/intl-datetime.html b/wip/intl-datetime.html
index 944553d56..b6856f264 100644
--- a/wip/intl-datetime.html
+++ b/wip/intl-datetime.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'../assets/2017/style.css?t=20210620130712'
+'../assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='../assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='../assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Intl.DateTimeFormat cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/wip/intl-datetime.jpg?t=20210804125746" ],
   "description": "One-page guide to Intl.DateTimeFormat: usage, examples, and more. Intl.DateTimeFormat is used to format date strings in JavaScript."
 }
 </script>
@@ -531,7 +531,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='../assets/packed/app.js?t=20210620130712'></script>
+<script src='../assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/wip/php.html b/wip/php.html
index 781b58538..f028cc43f 100644
--- a/wip/php.html
+++ b/wip/php.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/wip/php.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/wip/php.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/wip/php.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/wip/php.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'../assets/2017/style.css?t=20210620130712'
+'../assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='../assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='../assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "PHP cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/wip/php.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/wip/php.jpg?t=20210804125746" ],
   "description": "The one-page guide to PHP: usage, examples, links, snippets, and more."
 }
 </script>
@@ -506,7 +506,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='../assets/packed/app.js?t=20210620130712'></script>
+<script src='../assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-php.min.js'></script>
 
 
diff --git a/xpath.html b/xpath.html
index ad14d435c..ac16a89a4 100644
--- a/xpath.html
+++ b/xpath.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/xpath.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/xpath.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/xpath.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/xpath.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -103,11 +103,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
 <script id='deferred-css'>;(function(links){(requestAnimationFrame||mozRequestAnimationFrame||webkitRequestAnimationFrame||msRequestAnimationFrame||(function(fn){window.addEventListener('load',fn)}))(function(){var h=document.getElementsByTagName('head')[0],l,i;for (i=0;i<links.length;i++){l=document.createElement('link');l.rel='stylesheet';l.href=links[i];h.appendChild(l);}})})([
 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Xpath cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/xpath.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/xpath.jpg?t=20210804125746" ],
   "description": "$x('//div//p//*') == $('div p *'), $x('//[@id=\"item\"]') == $('#item'), and many other Xpath examples. · One-page guide to Xpath"
 }
 </script>
@@ -1205,7 +1205,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/yaml.html b/yaml.html
index 026a70089..ee4d7c38e 100644
--- a/yaml.html
+++ b/yaml.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/yaml.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/yaml.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/yaml.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/yaml.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
 <!-- deferred css -->
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 'https://fonts.googleapis.com/css?family=Cousine',
-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
 ])</script>
 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
     "@id": "https://google.com/article"
   },
   "headline": "Yaml cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/yaml.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/yaml.jpg?t=20210804125746" ],
   "description": "The one-page guide to Yaml: usage, examples, links, snippets, and more."
 }
 </script>
@@ -519,7 +519,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
 },{}],"eoMl":[function(require,module,exports) {
 "use strict";var e=u(require("./wrapify")),d=u(require("dom101/add-class")),t=u(require("dom101/on"));function u(e){return e&&e.__esModule?e:{default:e}}var a,o=document.querySelector("[data-js-main-body]");function r(){a||((0,d.default)(document.documentElement,"LoadDone"),a=!0)}o&&((0,e.default)(o),(0,d.default)(o,"-wrapified")),(0,t.default)(window,"load",r),setTimeout(r,5e3);
 },{"./wrapify":"hE9p","dom101/add-class":"G20n","dom101/on":"DJ2P"}]},{},["eoMl"], null)</script>
-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-yaml.min.js'></script>
 
 
diff --git a/yargs.html b/yargs.html
index 62038ecc2..e36a8fa6e 100644
--- a/yargs.html
+++ b/yargs.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/yargs.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/yargs.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/yargs.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -90,9 +90,9 @@ gtag('config','UA-106902774-1');
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   <style>html{opacity:0}</style>
-  <link rel="stylesheet" href="./assets/2015/style.css?t=20210620130712">
-  <link href="./assets/style.css?t=20210620130712" rel="stylesheet" />
-  <link href="./assets/print.css?t=20210620130712" rel="stylesheet" media="print" />
+  <link rel="stylesheet" href="./assets/2015/style.css?t=20210804125746">
+  <link href="./assets/style.css?t=20210804125746" rel="stylesheet" />
+  <link href="./assets/print.css?t=20210804125746" rel="stylesheet" media="print" />
 </head>
 <body>
 <div class='all'>
@@ -114,7 +114,7 @@ gtag('config','UA-106902774-1');
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   "headline": "Yargs cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/yargs.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/yargs.jpg?t=20210804125746" ],
   "description": "The one-page guide to Yargs: usage, examples, links, snippets, and more."
 }
 </script>
diff --git a/yarn.html b/yarn.html
index 8ff343e13..d19720782 100644
--- a/yarn.html
+++ b/yarn.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/yarn.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/yarn.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/yarn.jpg?t=20210804125746' property='twitter:image'>
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+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -119,7 +119,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Yarn cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/yarn.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/yarn.jpg?t=20210804125746" ],
   "description": "The one-page guide to Yarn: usage, examples, links, snippets, and more."
 }
 </script>
@@ -605,7 +605,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 <script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-json.min.js'></script><script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-bash.min.js'></script>
 
 
diff --git a/znc.html b/znc.html
index f2cb2c77d..de6a9db28 100644
--- a/znc.html
+++ b/znc.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/znc.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/znc.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/znc.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/znc.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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-'./assets/2017/style.css?t=20210620130712'
+'./assets/2017/style.css?t=20210804125746'
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
-<link rel='stylesheet' href='./assets/2017/style.css?t=20210620130712'>
+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "ZNC bouncer cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/znc.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/znc.jpg?t=20210804125746" ],
   "description": "One-page guide to ZNC bouncer: usage, examples, and more. A quick reference to the ZNC IRC bouncer’s common commands."
 }
 </script>
@@ -529,7 +529,7 @@ function n(n,t,e){n.addEventListener?n.addEventListener(t,e):n.attachEvent("on"+
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/zombie.html b/zombie.html
index 130f7a6f2..e5ec5410b 100644
--- a/zombie.html
+++ b/zombie.html
@@ -33,8 +33,8 @@
 
 
 
-  <meta content='https://assets.devhints.io/previews/zombie.jpg?t=20210620130712' property='og:image'>
-  <meta content='https://assets.devhints.io/previews/zombie.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/zombie.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/zombie.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
   <meta content='471' property='og:image:height'>
 
@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "Zombie cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/zombie.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/zombie.jpg?t=20210804125746" ],
   "description": "One-page guide to Zombie: usage, examples, and more. Zombie is a full-stack testing solution for Node.js."
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>
 
 
 
diff --git a/zsh.html b/zsh.html
index 025debb2a..34d698e62 100644
--- a/zsh.html
+++ b/zsh.html
@@ -33,8 +33,8 @@
 
 
 
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-  <meta content='https://assets.devhints.io/previews/zsh.jpg?t=20210620130712' property='twitter:image'>
+  <meta content='https://assets.devhints.io/previews/zsh.jpg?t=20210804125746' property='og:image'>
+  <meta content='https://assets.devhints.io/previews/zsh.jpg?t=20210804125746' property='twitter:image'>
   <meta content='900' property='og:image:width'>
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@@ -99,11 +99,11 @@ gtag('config','UA-106902774-1');
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 <noscript id='deferred-css-fallback'>
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
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+<link rel='stylesheet' href='./assets/2017/style.css?t=20210804125746'>
 </noscript>
 
 <script type='application/ld+json'>
@@ -115,7 +115,7 @@ gtag('config','UA-106902774-1');
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   },
   "headline": "zsh cheatsheet",
-  "image": [ "https://assets.devhints.io/previews/zsh.jpg?t=20210620130712" ],
+  "image": [ "https://assets.devhints.io/previews/zsh.jpg?t=20210804125746" ],
   "description": "The one-page guide to zsh: usage, examples, links, snippets, and more."
 }
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-<script src='./assets/packed/app.js?t=20210620130712'></script>
+<script src='./assets/packed/app.js?t=20210804125746'></script>