Update arel.md (+9 more changes)

arel.md

@@ -1,8 +1,16 @@
 ---
 title: Arel
 category: Rails
+layout: 2017/sheet
 ---
 
+### About
+{: .-intro}
+
+Arel is an SQL abstraction library built into Ruby on Rails.
+
+* <https://github.com/rails/arel>
+
 ### Tables
 
 ```rb
@@ -123,7 +131,3 @@ all_time      = photos_with_credits.count
 this_month    = photos_with_credits.where(photos[:created_at].gteq(Date.today.beginning_of_month))
 recent_photos = photos_with_credits.where(photos[:created_at].gteq(Date.today.beginning_of_month)).limit(5)
 ```
-
-## Reference
-
-* <http://github.com/rails/arel>

devise.md

@@ -1,12 +1,17 @@
 ---
 title: Devise
+layout: 2017/sheet
 ---
 
+### About
+{: .-intro}
+
 [Devise](https://github.com/plataformatec/devise) is a flexible authentication 
 gem.
 
-Installation
+- <https://github.com/plataformatec/devise>
-------------
+
+### Installation
 
 Rails 3: Add the following to your Gemfile
 
@@ -27,8 +32,7 @@ Generate devise for your model
 
     $ rails generate devise:views
 
-Helpers
+### Helpers
--------
 
     user_signed_in?
     current_user
@@ -38,8 +42,7 @@ Helpers
     edit_user_registration_path (Edit registration)
     new_user_registration_path (Register new user)
 
-Controller stuff
+### Controller stuff
-----------------
 
     before_filter :authenticate_user!
 
@@ -123,8 +126,11 @@ Routing
 Test helpers
 ------------
 
+### Test helpers
+
     include Devise::TestHelpers
-    https://github.com/plataformatec/devise/blob/1094ba65aac1d37713f2cba71f9edad76b5ca274/lib/devise/test_helpers.rb
 
     sign_in @user
     sign_out @user
+
+See: <https://github.com/plataformatec/devise/blob/1094ba65aac1d37713f2cba71f9edad76b5ca274/lib/devise/test_helpers.rb>

flux.md

@@ -1,9 +1,19 @@
 ---
 title: Flux architecture
 category: React
+layout: 2017/sheet
 ---
 
-## Architecture
+## About
+
+### About
+{: .-intro}
+
+Flux is an architecture for building client-side web applications.
+
+* [In-Depth Overview](https://facebook.github.io/flux/docs/in-depth-overview/) _(facebook.github.io)_
+
+### Architecture
 
 * __Dispatchers__ receive *actions* that get dispatched to its listeners.
 

git-tricks.md

@@ -1,15 +1,16 @@
 ---
 title: Git tricks
 category: Git
+layout: 2017/sheet
 ---
 
-## Refs
+### Refs
 
     HEAD^       # 1 commit before head
     HEAD^^      # 2 commits before head
     HEAD~5      # 5 commits before head
 
-## Branches
+### Branches
 
     # create a new branch
       git checkout -b $branchname
@@ -31,7 +32,7 @@ category: Git
     # go back to previous branch
       git checkout -
       
-## Collaboration
+### Collaboration
 
     # Rebase your changes on top of the remote master
       git pull --rebase upstream master
@@ -43,6 +44,8 @@ category: Git
 Submodules
 ----------
 
+### Submodules
+
     # Import .gitmodules
       git submodule init
 
@@ -70,6 +73,8 @@ Diff
 Log options
 -----------
 
+### Options
+
     --oneline
       e11e9f9 Commit message here
 
@@ -131,13 +136,13 @@ Misc
 
     git bisect reset  # abort
 
-## Searching
+### Searching
 
     git log --grep="fixes things"  # search in commit messages
     git log -S"window.alert"       # search in code
     git log -G"foo.*"              # search in code (regex)
 
-## GPG Signing
+### GPG signing
 
     git config set user.signingkey <GPG KEY ID>       # Sets GPG key to use for signing
 

gulp.md

@@ -1,8 +1,13 @@
 ---
 title: Gulp
 category: JavaScript libraries
+layout: 2017/sheet
+tags: [Archived]
+archived: The information on this sheet may possibly be outdated.
 ---
 
+### Available plugins
+
  * gulp-ruby-sass
  * gulp-autoprefixer
  * gulp-minify-css

mocha-tdd.md

@@ -1,6 +1,7 @@
 ---
 title: Mocha.js TDD interface
 category: JavaScript libraries
+layout: 2017/sheet
 ---
 
 ### TDD

nodejs.md

@@ -1,15 +1,9 @@
 ---
 title: Node.js API
 category: Node.js
-layout: 2017/sheet
 ---
 
-### About
+## Globals
-{: .-intro}
-
-- <https://nodejs.org>
-
-### Globals
 
     __filename
     __dirname
@@ -27,7 +21,7 @@ layout: 2017/sheet
         }
     });
 
-### Snippets
+## Snippets
 
     info = require('../package.json')
     info.version

nopt.md

@@ -1,8 +1,16 @@
 ---
 title: Nopt
 category: JavaScript libraries
+layout: 2017/sheet
 ---
 
+### About
+{: .-intro}
+
+- <https://www.npmjs.org/package/nopt>
+
+### Example
+
 ```js
 var args = require('nopt')({
   foo: [String, null],
@@ -46,5 +54,3 @@ if (args.version) {
   process.exit(0);
 }
 ```
-
-https://www.npmjs.org/package/nopt

postgresql.md

@@ -1,15 +1,16 @@
 ---
 title: PostgreSQL
 category: Databases
+layout: 2017/sheet
 ---
 
-Replace anything within `<placeholder>` accordingly
-
 ### Console
 
     $ psql #logs in to default database & default user
     $ sudo -u <rolename:postgres> psql #logs in with a particular user
 
+Replace anything within `<placeholder>` accordingly
+
 ### Commands
 
  * Show roles: `\du`

python.md

@@ -1,6 +1,7 @@
 ---
 title: Python
 category: Python
+layout: 2017/sheet
 ---
 
 ### Tuples (immutable)