commit 85cc0fe827679e312694839475173f4df61eb089 Author: Rico Sta. Cruz Date: Fri Mar 16 14:14:31 2012 +0800 Hello. diff --git a/Etc/PHP_Kohana.ctxt b/Etc/PHP_Kohana.ctxt new file mode 100644 index 000000000..733f81ae7 --- /dev/null +++ b/Etc/PHP_Kohana.ctxt @@ -0,0 +1,78 @@ +# Installing +wget "http://kohanaphp.com/download?modules%5Bauth%5D=Auth&languages%5Ben_US%5D=en_US&format=zip" -O k.zip &&\ +unzip -q k.zip && rm k.zip &&\ +mv Kohana_*/* . && rm -rf Kohana_* &&\ +rm -f "Kohana License.html" &&\ +# htaccess +cat example.htaccess | sed 's/RewriteBase .*/RewriteBase \//g' > .htaccess && rm example.htaccess &&\ +echo Done! Go and edit application/config/config.php and change the site stuff. + +# Public HTML +mkdir -p public_html &&\ +mv index.html public_html &&\ +mv .htaccess public_html &&\ +echo Done. Now edit index.html's paths + +Git ignore +(echo \*.swo; echo \*.swp; echo .DS_Store; echo Thumbs.db; echo \*~; echo application/logs; echo application/cache ) > .gitignore &&\ + +# Database +$config['default'] = array +( + 'benchmark' => TRUE, + 'persistent' => FALSE, + 'connection' => array + ( + 'type' => 'mysql', + 'user' => 'leet', // set to db user name + 'pass' => 'l33t', // set to db user password + 'host' => 'localhost', + 'port' => FALSE, + 'socket' => FALSE, + 'database' => 'leetdb' // set to db name + ), + 'character_set' => 'utf8', + 'table_prefix' => '', + 'object' => TRUE, + 'cache' => FALSE, + 'escape' => TRUE +); + + +// ORM model +class Post_Model extends ORM { + protected $has_one = array('user'); // has_many, belong_to, has_one, has_and_belongs_to_many +} + +// ORM +$post = ORM::factory('post', 1); +$post->name = "Post name"; +$post->save(); +foreach ($post->categories as $category) +{ + echo $category->name; +} + +// Find (returns even if no row is found) +$o = ORM::factory('article')->find(1); +$o = ORM::factory('article')->where('title', $title)->find(); +if (!$o->loaded) { die('Not found'); } +echo $o->title; + +// Find_all +$o = ORM::factory('article')->find_all(); +foreach ($o as $article) { echo $article->title; } + +// ->$saved +// ->$changed[] +// ->$object_name (Blog_Post_Model => "blog_post") +// ->$primary_key ('id') +// ->$primary_val ('username') - more userfriendly identifier +// ->$table_name +// ->$ignored_columns = array('whatever') +// ->$table_columns = array('id', 'username') +// ->$sorting = array('last_login' => 'desc') -- default sorting + +// + + diff --git a/Etc/Rails_2.ctxt b/Etc/Rails_2.ctxt new file mode 100644 index 000000000..4a3eaa213 --- /dev/null +++ b/Etc/Rails_2.ctxt @@ -0,0 +1,104 @@ +# Debug +logger.debug "xx" + +# Controller stuff +class MyController < ApplicationController::Base +controller.response.body + + # Filters + before_filter :require_login # Looks for require_login method + before_filter MyFilter # Looks for MyFilter class + before_filter { |ct| head(400) if ct.params["stop_action"] } + around_filter :catch_exceptions + after_filter :xx + + layout "admin_area" # Looks for the view file + layout "admin_area", :except => [ :rss, :whatever ] + layout :foo # Looks for private function foo + + private + def whatever ... + +class MyFilter + def self.filter(controller, &block) + +# Model + +belongs_to :user +validates_presence_of :user +default_scope :order => 'id DESC' +named_scope :today, :conditions = "created_at x" +named_scope :today, lambda {{ :conditions = [ "created_at between ? and ?", 1.hour.ago.utc, 300.seconds.ago.utc ] }} +# Then you can call feed.today + +# Controller methods +render :action => 'help', :layout => 'help' +render :text => 'so and so' +render :status => :created, :location => post_url(post) # With HTTP headers +redirect_to :action => 'index' +render :partial => 'product', :collection => @products, :as => :item, :spacer_template => "product_ruler" +return head(:method_not_allowed) +head :created, :location => '...' + +url_for :controller => 'posts', :action => 'recent' + +location = request.env["SERVER_ADDR"] + +# For views +auto_discovery_link_tag(:rss, {:action => "feed"}, {:title => "RSS Feed"}) +javascript_include_tag "foo" +stylesheet_link_tag +image_tag + +# Ruby stuff! +# Defining a class method (not a typo) +Fixnum.instance_eval { def ten; 10; end } +Fixnum.ten # => 10 + +# Defining an instance method +Fixnum.class_eval { def number; self; end } +7.number #=> 7 + +# Multiple arguments, send() +class Klass + def hello(*args); "Hello " + args.join(' '); end +end +Klass.new.send :hello, "gentle", "readers" + +def can(*args) + yield if can?(*args) +end +# can(x) {...} => if can?(x) {...} + + + +# Struct +class Foo < Struct.new(:name, :email) +end + +j = Foo.new("Jason", "jason@bateman.com") +j.name = "Hi" +print j.name + + +# Struct +class Foo < Struct.new(:name, :email) +end + +j = Foo.new("Jason", "jason@bateman.com") +j.name = "Hi" +print j.name + + +# Method missing + def method_missing(method_name, *arguments) + if method_name.to_s[-1,1] == "?" + self == method_name.to_s[0..-2] + + +# Rails logger +Rails.logger.info("...") + +# To string +:hello_there.to_s + diff --git a/Gemfile b/Gemfile new file mode 100644 index 000000000..bbc8912bc --- /dev/null +++ b/Gemfile @@ -0,0 +1,4 @@ +source :rubygems + +gem "proton", "~> 0.3.4" +gem "rack-cache", "~> 1.0.0" diff --git a/Gemfile.lock b/Gemfile.lock new file mode 100644 index 000000000..fb59032ba --- /dev/null +++ b/Gemfile.lock @@ -0,0 +1,41 @@ +GEM + remote: http://rubygems.org/ + specs: + RedCloth (4.2.8) + chunky_png (1.2.1) + compass (0.11.5) + chunky_png (~> 1.2) + fssm (>= 0.2.7) + sass (~> 3.1) + cuba (2.0.1) + rack + tilt + fssm (0.2.7) + haml (3.1.3) + hashie (1.0.0) + maruku (0.6.0) + syntax (>= 1.0.0) + proton (0.3.4) + RedCloth (~> 4.2.3) + compass (~> 0.11.1) + cuba (~> 2.0.0) + haml (~> 3.1.1) + hashie (~> 1.0.0) + maruku (~> 0.6.0) + sass (~> 3.1.1) + shake (~> 0.1) + tilt (~> 1.3.2) + rack (1.3.2) + rack-cache (1.0.2) + rack (>= 0.4) + sass (3.1.7) + shake (0.1.3) + syntax (1.0.0) + tilt (1.3.3) + +PLATFORMS + ruby + +DEPENDENCIES + proton (~> 0.3.4) + rack-cache (~> 1.0.0) diff --git a/Protonfile b/Protonfile new file mode 100644 index 000000000..566f6f641 --- /dev/null +++ b/Protonfile @@ -0,0 +1,12 @@ +# This is a Proton site. +# Install Proton (`gem install proton`) and type `proton` for help. +requirement: 0.2 + +# The folder where the site's source files are kept. +site_path: . +output_path: _output + +# Other paths: +layouts_path: _layouts +extensions_path: _extensions +partials_path: . diff --git a/_layouts/default.html b/_layouts/default.html new file mode 100644 index 000000000..6be5120f6 --- /dev/null +++ b/_layouts/default.html @@ -0,0 +1,17 @@ + + + + + + + + +

<%= page.meta.title || File.basename(page.file, '.*').capitalize %>

+ <%= yield %> + + + + + + + diff --git a/_prettify.scss b/_prettify.scss new file mode 100644 index 000000000..f58809f1b --- /dev/null +++ b/_prettify.scss @@ -0,0 +1,44 @@ +/* Pretty printing styles. Used with prettify.js. */ + +.str { color: #080; } +.kwd { color: #008; } +// .com { color: #607077; background: rgba(black, 0.05); padding: 1px 3px; @include border-radius(2px); } +.com { color: #7bd; text-shadow: 1px 1px 0 rgba(white, 0.3); } +.typ { color: #606; } +.lit { color: #066; } +.pun { color: #660; } +.pln { color: #000; } +.tag { color: #008; } +.atn { color: #606; } +.atv { color: #080; } +.dec { color: #606; } + +/* Specify class=linenums on a pre to get line numbering */ +ol.linenums { margin-top: 0; margin-bottom: 0 } /* IE indents via margin-left */ +li.L0, +li.L1, +li.L2, +li.L3, +li.L5, +li.L6, +li.L7, +li.L8 { list-style-type: none } +/* Alternate shading for lines */ +li.L1, +li.L3, +li.L5, +li.L7, +li.L9 { background: #eee } + +@media print { + .str { color: #060; } + .kwd { color: #006; font-weight: bold; } + .com { color: #600; font-style: italic; } + .typ { color: #404; font-weight: bold; } + .lit { color: #044; } + .pun { color: #440; } + .pln { color: #000; } + .tag { color: #006; font-weight: bold; } + .atn { color: #404; } + .atv { color: #060; } +} diff --git a/bash.md b/bash.md new file mode 100644 index 000000000..4a8a69ce1 --- /dev/null +++ b/bash.md @@ -0,0 +1,181 @@ +title: Bash +--- + +### String substitutions by patterns + + STR=/path/to/foo.c + + echo ${STR%.c} #=> "/path/to/foo" + echo ${STR%.c}.o #=> "/path/to/foo.o" + echo ${STR##*.} #=> "c" (extension) + + BASE=${SRC##*/} #=> "foo.c" (basepath) + DIR=${SRC%$BASE} #=> "/path/to" + +### Substitutions by regex + + echo ${STR/hi/hello} # Replace first match + echo ${STR//hi/hello} # Replace all matches + echo ${STR/#hi/hello} # ^hi + echo ${STR/%hi/hello} # hi$ + + echo "${STR:0:3}" # .substr(0, 3) -- position, length + echo "${STR:-3:3}" # Negative position = from the right + + echo ${#line} # Length of $line + + [ -z "$CC" ] && CC=gcc # CC ||= "gcc" assignment + ${CC:=gcc} # $CC || "gcc" + +### Loops + + for i in /etc/rc.*; do + echo $i + end + +Functions +--------- + +### Defining functions + + myfunc() { ... } + fuction myfunc { ... } + fuction myfunc() { ... } + +### Returning strings + + myfunc() { + local myresult='some value' + echo $myresult + } + + result=$(myfunc) + +### Errors + + myfunc() { return 1; } + +### Arguments + + $# # Number of arguments + $* # All args + $1 # First argument + +Ifs - files +----------- + + # File conditions + if [ -a FILE ]; then # -e exists -d directory -f file + fi # -r readable -w writeable -x executable + # -h symlink -s size > 0 + + # File comparisons + if [ FILE1 -nt FILE2 ] # -nt 1 more recent than 2 + # -ot 2 more recent than 1 + # -ef same files + +Ifs +--- + + # String + if [ -z STRING ] # empty? + if [ -n STRING ] # not empty? + + # Numeric + if [ $? -eq 0 ] # -eq -ne -lt -le -gt -ge + # $? is exit status by the way + + # Etc + if [ -o noclobber ] # if OPTIONNAME is enabled + if [ ! EXPR ] # not + if [ ONE -a TWO ] # and + if [ ONE -o TWO ] # or + + # Regex + if [[ "A" =~ "." ]] + +### Numeric comparisons + + if $(( $a < $b )) + +### Unset variables + +Assume `$FOO` is not set. Doing *this* will result in *that*: + + ${FOO:-word} # Returns word + ${FOO:+word} # Returns empty, or word if set + ${FOO:=word} # Sets parameter to word, returns word + ${FOO:?message} # Echoes message and exits + + ${FOO=word} # : is optional in all of the above + +Numeric calculations +-------------------- + + $((RANDOM%=200)) # Random number 0..200 + $((a + 200)) # $ is optional + +Arrays +------ + + Fruits[0]="Apple" + Fruits[1]="Banana" + Fruits[2]="Orange" + + # Declaring using declare -a + declare -a Fruits=('Apple' 'Banana' 'Orange') + + echo ${Fruits[0]} # Element #0 + echo ${Fruits[@]} # All elements, space-separated + echo ${#Fruits[@]} # Number of elements + echo ${#Fruits} # String length of the 1st element + echo ${#Fruits[3]} # String length of the Nth element + echo ${Fruits[@]:3:2} # Range (from position 3, length 2) + + Fruits=("${Fruits[@]}" "Watermelon") # Push + Fruits=( ${Fruits[@]/Ap*/} ) # Remove by regex match + unset Fruits[2] # Remove one item + Fruits=("${Fruits[@]}") # Duplicate + Fruits=("${Fruits[@]}" "${Veggies[@]}") # Concatenate + lines=(`cat "logfile"`) # Read from file + +Misc crap +--------- + + command -V cd #=> "cd is a function/alias/whatever" + +### Options + + set -o noclobber # Avoid overlay files (echo "hi" > foo) + set -o errexit # Used to exit upon error, avoiding cascading errors + set -o pipefail # Unveils hidden failures + set -o nounset # Exposes unset variables + +### Glob options + + set -o nullglob # Non-matching globs are removed ('*.foo' => '') + set -o failglob # Non-matching globs throw errors + set -o nocaseglob # Case insensitive globs + set -o dotglob # Wildcards match dotfiles ("*.sh" => ".foo.sh") + set -o globstar # Allow ** for recursive matches ('lib/**/*.rb' => 'lib/a/b/c.rb') + +set GLOBIGNORE as a colon-separated list of patterns to be removed from glob +matches. + +### Trap errors + + trap 'echo Error at about $LINENO' ERR + +or + + traperr() { + echo "ERROR: ${BASH_SOURCE[1]} at about ${BASH_LINENO[0]}" + } + + set -o errtrace + trap traperr ERR + +References +---------- + +* http://wiki.bash-hackers.org/ diff --git a/brew.md b/brew.md new file mode 100644 index 000000000..b152cc82e --- /dev/null +++ b/brew.md @@ -0,0 +1,30 @@ +title: Brew +--- + +Nice Homebrew packages: + + * `tig` - Git "GUI" for the console + * `mysql` + * `postgresql` + * `fmdiff` - Adaptor to use Apple's FileMerge as `diff` (`git config --global merge-tool fmdiff`) + * `cmus` - Curses-based music player + * `cclive` - Video downloader + + Not from brew: + +* `DiffMerge` - nice free merge tool for OSX + +Tmux +---- + +Install a more-recent version that supports tmux -C + + brew install https://github.com/adamv/homebrew-alt/raw/master/other/tmux-iterm2.rb + +Install the wrapper for stuff to enable OSX clipboard to work + + brew install reattach-to-user-namespace --wrap-pbcopy-and-pbpaste + +Make sure that your VIM alias uses it + + alias vim="reattach-to-user-namespace /Application/MacVim/Contents/MacOS/Vim" diff --git a/capybara.md b/capybara.md new file mode 100644 index 000000000..30f9cc34e --- /dev/null +++ b/capybara.md @@ -0,0 +1,95 @@ +Navigating +---------- + + visit articles_path + +Clicking links and buttons +-------------------------- + + click 'Link Text' + click_button + click_link + +Interacting with forms +---------------------- + + attach_file + fill_in 'First Name', :with => 'John' + check + uncheck + choose + select + unselect + +Querying +-------- + +Takes a CSS selector (or XPath if you're into that). +Translates nicely into RSpec matchers: + + page.should have_no_button("Save") + +Use should have_no_* versions with RSpec matchers b/c +should_not doesn't wait for a timeout from the driver + + page.has_content? + page.has_css? + page.has_no_content? + page.has_no_css? + page.has_no_xpath? + page.has_xpath? + page.has_link? + page.has_no_link? + page.has_button?("Update") + page.has_no_button? + page.has_field? + page.has_no_field? + page.has_checked_field? + page.has_unchecked_field? + page.has_no_table? + page.has_table? + page.has_select? + page.has_no_select? + +Finding +------- + + find + find_button + find_by_id + find_field + find_link + locate + +Scoping +------- + + within + within_fieldset + within_table + within_frame + scope_to + +Scripting +--------- + + execute_script + evaluate_script + +Debugging +--------- + + save_and_open_page + +Miscellaneous +------------- + + all + body + current_url + drag + field_labeled + source + wait_until + current_path + diff --git a/cinema4d.md b/cinema4d.md new file mode 100644 index 000000000..c144e99e1 --- /dev/null +++ b/cinema4d.md @@ -0,0 +1,2 @@ + E R T : Move/rotate/scale + P : snapping diff --git a/config.ru b/config.ru new file mode 100644 index 000000000..3625015e5 --- /dev/null +++ b/config.ru @@ -0,0 +1,26 @@ +# This file exists to make this project Rack-compatible. +# You may delete it if you're not concerned about this. + +require 'rubygems' unless defined?(::Gem) + +# Use Bundler if possible. +begin + require 'bundler' + Bundler.setup +rescue LoadError + gem 'proton', '0.3.2' +end + +# Optional: use the 'rack-cache' gem for cacheing. +if ENV['RACK_ENV'] == 'production' + begin + require 'rack/cache' + use Rack::Cache + rescue LoadError + end +end + +# Load Proton. +require 'proton/server' +Proton::Project.new File.dirname(__FILE__) +run Proton::Server diff --git a/devise.md b/devise.md new file mode 100644 index 000000000..24c731f08 --- /dev/null +++ b/devise.md @@ -0,0 +1,126 @@ +title: Devise +--- + +[Devise](https://github.com/plataformatec/devise) is a flexible authentication +gem. + +Installation +------------ + +Rails 3: Add the following to your Gemfile + + gem "devise" + gem "hpricot" + gem "ruby_parser" + +Install devise in your project + + $ rails generate devise:install + +Generate devise for your model + + $ rails generate devise MODEL + $ rake db:migrate + +(Optional) Generate devise views + + $ rails generate devise:views + +Helpers +------- + + user_signed_in? + current_user + user_session + destroy_user_session_path (Logout) + new_user_session_path (Login) + edit_user_registration_path (Edit registration) + new_user_registration_path (Register new user) + +Controller stuff +---------------- + + before_filter :authenticate_user! + +Model +----- + +### Model options + + class User < ActiveRecord::Base + devise :database_authenticatable, + :registerable, + :confirmable, + :recoverable, + :rememberable, + :trackable, + :validatable + end + +### Migration helpers + + create_table :users do |t| + t.database_authenticatable + t.confirmable + t.recoverable + t.rememberable + t.trackable + t.timestamps + end + +Routing +------- + +### Authenticated and unauthenticated routes + + unauthenticated do + root :to => 'home#index' + end + + authenticated do + root :to => 'dashboard#index' + end + +### As + as :user do + get 'sign_in', :to => 'devise/sessions#new' + end + +### Devise_for magic + + devise_for :users + + # Session routes for Authenticatable (default) + new_user_session GET /users/sign_in {:controller=>"devise/sessions", :action=>"new"} + user_session POST /users/sign_in {:controller=>"devise/sessions", :action=>"create"} + destroy_user_session GET /users/sign_out {:controller=>"devise/sessions", :action=>"destroy"} + + # Password routes for Recoverable, if User model has :recoverable configured + new_user_password GET /users/password/new(.:format) {:controller=>"devise/passwords", :action=>"new"} + edit_user_password GET /users/password/edit(.:format) {:controller=>"devise/passwords", :action=>"edit"} + user_password PUT /users/password(.:format) {:controller=>"devise/passwords", :action=>"update"} + POST /users/password(.:format) {:controller=>"devise/passwords", :action=>"create"} + + # Confirmation routes for Confirmable, if User model has :confirmable configured + new_user_confirmation GET /users/confirmation/new(.:format) {:controller=>"devise/confirmations", :action=>"new"} + user_confirmation GET /users/confirmation(.:format) {:controller=>"devise/confirmations", :action=>"show"} + POST /users/confirmation(.:format) {:controller=>"devise/confirmations", :action=>"create"} + +### Customizing devise_for + + devise_for :users, + :path => "usuarios", + :path_names => { + :sign_in => 'login', + :sign_out => 'logout', + :password => 'secret', + :confirmation => 'verification', + :unlock => 'unblock', + :registration => 'register', + :sign_up => 'cmon_let_me_in' } + +Test helpers +------------ + + sign_in @user + sign_out @user diff --git a/figlets.txt b/figlets.txt new file mode 100644 index 000000000..d5780b6b2 --- /dev/null +++ b/figlets.txt @@ -0,0 +1,1293 @@ + **** ** + */// * /** +/ /* /** + *** ***** ****** + /// *///// **///** + * /* /** /** +/ **** //****** + //// ////// + +### ### + # # # # + ## # ### + # # # # +### ### + + + ____ + // // ( ) __ ___ ___ / __ // ( ) ___ + //__ // / / // ) ) //___) ) // ) ) // ) ) // / / // ) ) // / / + ) ) // / / // / / // // / / // / / // / / ((___/ / // / / +((___/ / // / / // / / ((____ ((___/ / ((___/ / // / / ( ( ((___( ( + + + + ___ + //___) ) + // +((____ + o + <|> + / > + o__ __o/ __o__ \o__ __o o__ __o \o__ __o o__ __o/ + /v | /> \ | |> /v v\ | v\ /v | + /> / \ o/ / \ < > /> <\ / \ <\ /> / \ + \ \o/ <| \o/ \ / \o/ / \ \o/ + o | \\ | o o | o o | + <\__ / \ _\o__ / \ __/> <\__ / \ + + + + o o + <|> _<|>_ + < > + | o __o__ + o__/_ <|> /> \ + | / \ o/ + | \o/ <| + o | \\ + <\__ / \ _\o__<< ><< +><< ><< >< +><< ><< >< ><<<><< ><< ><<< >< ><<< ><< +><< ><< ><< ><< ><< ><< ><< ><< < ><<><< ><< >< ><< +><< ><<><< ><< ><< ><< ><< ><< >< ><<><< ><< ><<<<< ><< +><< ><<><< ><< ><< ><< ><< >< >< ><><<><< ><< >< +><< ><< ><< ><<<><<< ><< ><< ><<< ><<<><<><<< ><<<< + +d8888b. .d8b. .d8888. d888888b .o88b. +88 `8D d8' `8b 88' YP `88' d8P Y8 +88oooY' 88ooo88 `8bo. 88 8P +88~~~b. 88~~~88 `Y8b. 88 8b +88 8D 88 88 db 8D .88. 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\ /::| | /::\ \ + \:\ \ /:/\ \ \ /:/\:\ \ /:|:| | /:/\:\ \ + /::\__\ _\:\~\ \ \ /:/ \:\ \ /:/|:|__|__ /::\~\:\ \ + __/:/\/__/ /\ \:\ \ \__\ /:/__/ \:\__\ /:/ |::::\__\ /:/\:\ \:\__\ + /\/:/ / \:\ \:\ \/__/ \:\ \ /:/ / \/__/~~/:/ / \:\~\:\ \/__/ + \::/__/ \:\ \:\__\ \:\ /:/ / /:/ / \:\ \:\__\ + \:\__\ \:\/:/ / \:\/:/ / /:/ / \:\ \/__/ + \/__/ \::/ / \::/ / /:/ / \:\__\ + \/__/ \/__/ \/__/ \/__/ + ___ ___ ___ + /\ \ /\ \ ___ /\ \ + \:\ \ /::\ \ /\ \ /::\ \ + \:\ \ /:/\:\ \ \:\ \ /:/\:\ \ + /::\ \ /::\~\:\ \ /::\__\ /:/ \:\ \ + /:/\:\__\ /:/\:\ \:\__\ __/:/\/__/ /:/__/ \:\__\ + /:/ \/__/ \/_|::\/:/ / /\/:/ / \:\ \ \/__/ + /:/ / |:|::/ / \::/__/ \:\ \ + \/__/ |:|\/__/ \:\__\ \:\ \ + |:| | \/__/ \:\__\ + \|__| \/__/ + ___ ___ ___ ___ + /\__\ /\ \ /\ \ /\__\ + ___ /:/ _/_ /::\ \ |::\ \ /:/ _/_ + /\__\ /:/ /\ \ /:/\:\ \ |:|:\ \ /:/ /\__\ + /:/__/ /:/ /::\ \ /:/ \:\ \ __|:|\:\ \ /:/ /:/ _/_ + /::\ \ /:/_/:/\:\__\ /:/__/ \:\__\ /::::|_\:\__\ /:/_/:/ /\__\ + \/\:\ \__ \:\/:/ /:/ / \:\ \ /:/ / \:\~~\ \/__/ \:\/:/ /:/ / + ~~\:\/\__\ \::/ /:/ / \:\ /:/ / \:\ \ \::/_/:/ / + \::/ / \/_/:/ / \:\/:/ / \:\ \ \:\/:/ / + /:/ / /:/ / \::/ / \:\__\ \::/ / + \/__/ \/__/ \/__/ \/__/ \/__/ + ___ ___ + /\ \ /\__\ + ___ /::\ \ ___ /:/ / + /\__\ /:/\:\__\ /\__\ /:/ / + /:/ / /:/ /:/ / /:/__/ /:/ / ___ + /:/__/ /:/_/:/__/___ /::\ \ /:/__/ /\__\ + /::\ \ \:\/:::::/ / \/\:\ \__ \:\ \ /:/ / + /:/\:\ \ \::/~~/~~~~ ~~\:\/\__\ \:\ /:/ / + \/__\:\ \ \:\~~\ \::/ / \:\/:/ / + \:\__\ \:\__\ /:/ / \::/ / + \/__/ \/__/ \/__/ \/__/ + ___ ___ ___ ___ + ___ / /\ / /\ /__/\ / /\ + / /\ / /:/_ / /::\ | |::\ / /:/_ + / /:/ / /:/ /\ / /:/\:\ | |:|:\ / /:/ /\ + /__/::\ / /:/ /::\ / /:/ \:\ __|__|:|\:\ / /:/ /:/_ + \__\/\:\__ /__/:/ /:/\:\ /__/:/ \__\:\ /__/::::| \:\ /__/:/ /:/ /\ + \ \:\/\ \ \:\/:/~/:/ \ \:\ / /:/ \ \:\~~\__\/ \ \:\/:/ /:/ + \__\::/ \ \::/ /:/ \ \:\ /:/ \ \:\ \ \::/ /:/ + /__/:/ \__\/ /:/ \ \:\/:/ \ \:\ \ \:\/:/ + \__\/ /__/:/ \ \::/ \ \:\ \ \::/ + \__\/ \__\/ \__\/ \__\/ + ___ ___ + ___ / /\ ___ / /\ + / /\ / /::\ / /\ / /:/ + / /:/ / /:/\:\ / /:/ / /:/ + / /:/ / /:/~/:/ /__/::\ / /:/ ___ + / /::\ /__/:/ /:/___ \__\/\:\__ /__/:/ / /\ + /__/:/\:\ \ \:\/:::::/ \ \:\/\ \ \:\ / /:/ + \__\/ \:\ \ \::/~~~~ \__\::/ \ \:\ /:/ + \ \:\ \ \:\ /__/:/ \ \:\/:/ + \__\/ \ \:\ \__\/ \ \::/ + \__\/ \__\/ + ___ ___ ___ ___ + ___ / /\ / /\ / /\ / /\ + /__/\ / /::\ / /::\ / /::| / /::\ + \__\:\ /__/:/\:\ / /:/\:\ / /:|:| / /:/\:\ + / /::\ _\_ \:\ \:\ / /:/ \:\ / /:/|:|__ / /::\ \:\ + __/ /:/\/ /__/\ \:\ \:\ /__/:/ \__\:\ /__/:/_|::::\ /__/:/\:\ \:\ + /__/\/:/~~ \ \:\ \:\_\/ \ \:\ / /:/ \__\/ /~~/:/ \ \:\ \:\_\/ + \ \::/ \ \:\_\:\ \ \:\ /:/ / /:/ \ \:\ \:\ + \ \:\ \ \:\/:/ \ \:\/:/ / /:/ \ \:\_\/ + \__\/ \ \::/ \ \::/ /__/:/ \ \:\ + \__\/ \__\/ \__\/ \__\/ + ___ ___ + ___ / /\ ___ / /\ + /__/\ / /::\ /__/\ / /::\ + \ \:\ / /:/\:\ \__\:\ / /:/\:\ + \__\:\ / /::\ \:\ / /::\ / /:/ \:\ + / /::\ /__/:/\:\_\:\ __/ /:/\/ /__/:/ \ \:\ + / /:/\:\ \__\/~|::\/:/ /__/\/:/~~ \ \:\ \__\/ + / /:/__\/ | |:|::/ \ \::/ \ \:\ + /__/:/ | |:|\/ \ \:\ \ \:\ + \__\/ |__|:|~ \__\/ \ \:\ + \__\| \__\/ + + '_/_ /'_ +/ /(/(/( + + _ _ _ + | |_(_)_ ____ _(_) + | __| | '__\ \ / / | + | |_| | | \ V /| | + \__|_|_| \_/ |_| + + + o o + +o8 .oPYo. .oooo. ooYoYo. o8 odYo. .oPYo. + 8 .oooo8 .dP 8' 8 8 8 8' `8 8oooo8 + 8 8 8 oP' 8 8 8 8 8 8 8. + 8 `YooP8 `Yooo' 8 8 8 8 8 8 `Yooo' +:8 :.....::.....:..:..:..:....::..:.....: +oP :::::::::::::::::::::::::::::::::::::: +..::::::::::::::::::::::::::::::::::::::: + + __ __.______ _______ _ _ _ _______ ___ ______ ______ _______ + \ \ / /|____ |____ .| | | | | |____ |_ |____ |____ |. __ | + \ V / _ | | | || | | | | | | | | | | | _ | || | | | + ___\ \ | | |_| | || |/ /_/ / | | | | | || | |_|| | | | + |______| | | | ||_______/ |_| |_| |_|| | |_| |_| + |_| |_| |_| + # # # # ###### + ###### # ### ####### # ### ###### # ### + # #### # # #### # #### ########## + # # # # # # # # # + # # ########## # # # ## +########## # # # ########## # ## + ####### # ####### ####### ## 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'|...' '|..'|' .||. ||. + + +|Am3 + ___ __ __ +/\_ \ /'__`\ /\ \ +\//\ \ __ _ __ _ __ __ __/\_\L\ \ \_\ \ + \ \ \ /'__`\ /\`'__\/\`'__\/\ \/\ \/_/_\_<_ /'_` \ + \_\ \_/\ \L\.\_\ \ \/ \ \ \/ \ \ \_\ \/\ \L\ \/\ \L\ \ + /\____\ \__/.\_\\ \_\ \ \_\ \/`____ \ \____/\ \___,_\ + \/____/\/__/\/_/ \/_/ \/_/ `/___/> \/___/ \/__,_ / + /\___/ + \/__/ + + | | + + - -| + | | | | + - - - + + + _/ + _/ _/_/ _/_/_/ _/_/_/ + _/ _/_/_/_/ _/ _/ _/ _/ + _/ _/ _/ _/ _/ _/ +_/ _/_/_/ _/_/_/ _/ _/ + + +lll tt tt +lll eee tt tt eee rr rr sss +lll ee e tttt tttt ee e rrr r s +lll eeeee tt tt eeeee rr sss +lll eeeee tttt tttt eeeee rr s + sss +.-. .-..-..-..-..-..-..-. +| |__ | || .` || || | > < +`----'`-'`-'`-'`----''-'`-` + +:| :| +:| ,::\ .::/ :|_/ :~~/ :::| /::| :::\ ,::\ :\/| :~~/ +:| `::/ `::\ :|~\ :::, :| \::| :|:| `::/ :::| :::, + ,.:/ + | | +/=\=\ /=| /=| /= = /=| +| | | \=| \=| | | \=| + + + +.::: .:: .:: .:: .: .::: .:: .:: .:: .:: .:: + .:: .: .:: .:: .:: .:: .: .:: .:: .:: .: .:: .: .:: + .:: .: .::.:: .:: .:: .: .:: .:: .::.::::: .::.::::: .:: + .:: .: .::.:: .:: .:: .::.:: .:: .::.: .: +.::: .: .:: .:: .:::.::: .:: .::.:: .:::: .:::: + .::: + /~\ +|/~\ /~\ /~~|\/-|-/~\| ||/~\ +| | |\__|/\ | \_/ \_/|| + + |/ _ + ||\ _| | |/ + + +._ _ o._ o +| | ||| || + + _ + __ _ ___ __ _ __ _(_) ___ __ _ + |__` |/ _ \__` |__` | |/ _ ' _` | + | | (_) | | | | | | | | | | | + |_|\___/ |_| |_|_|_| |_| |_| + +mnemonic +-- --- .-. ... . + +# # ### #### # # ### # # +## ## # # # # # # # # # # +# # # # # # #### # # # # # +# # # # # # # # # # # +# # ### #### # ### ### + + ""|""| |""||""|'\/ + | ' |_|| ' | _\ + | | + oo .8888b + 88 " +88d888b. .d8888b. 88d888b. .d8888b. dP dP dP 88aaa .d8888b. +88' `88 88' `88 88' `88 88' `"" 88 88 88 88888888 88 88' `88 +88 88 88. .88 88 88 88. ... 88. .88 88 88 88. .88 +dP dP `88888P8 dP dP `88888P' `8888P88 88 dP `88888P8 + .88 88 + d8888P dP + + +88d888b. .d8888b. dP dP +88' `88 88' `"" 88 88 +88 88 88. ... 88. .88 +dP dP `88888P' `8888P88 + .88 + d8888P + oo + +88d888b. .d8888b. 88d888b. .d8888b. dP dP dP dP dP 88d888b. +88' `88 88' `88 88' `88 88' `"" 88 88 88 88888888 88 88 88' `88 +88 88 88. .88 88 88 88. ... 88. .88 88 88. .88 88 88 +dP dP `88888P8 dP dP `88888P' `8888P88 88 `88888P' dP dP +ooooooooooooooooooooooooooooooooooooo~~~~.88~88~ooooooooooooooooooooooooooo + d8888P dP + dP dP oo dP + 88 88 88 +.d888b88 .d8888b. 88d888b. 88 dP 88d888b. .d8888b. .d888b88 +88' `88 88ooood8 88' `88 88 88 88' `88 88ooood8 88' `88 +88. .88 88. ... 88 88 88 88 88 88. ... 88. .88 +`88888P8 `88888P' dP dP dP dP dP `88888P' `88888P8 +oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo + + oo + +88d888b. .d8888b. 88d888b. .d8888b. dP dP dP +88' `88 88' `88 88' `88 88' `"" 88 88 88 +88 88 88. .88 88 88 88. ... 88. .88 88 +dP dP `88888P8 dP dP `88888P' `8888P88 88 + .88 88 + d8888P dP + {__ + {_ {__ +{__ {__ {_ {__ {_ {__ {__ {__ {____ + {__ {__{__{_ {__ {_ {__ {__ {_ {__ {__ + {__ {__{__{_ {__{_ {__ {__{_____ {__ {___ + {__ {__{__{__ {__ {__ {__ {__{_ {__ +{___ {__{__{__ {__ {___ {____ {__ {__ + {__ {__ + + + + _ _____ _ _ ___ ___ ___ _ __ +| |/ ( | \ / ) _ \/ __) __) |/ / +| / / | | \ v / |_) > _)> _)| < +|__/ \_) | || __/\___)___)_|\_\ + | || | + |_||_| + + + + gg + "" + ,ggg,,ggg, ggg gg ,g, ,gggg, ,gggggg, gg gg,gggg, + ,8" "8P" "8, d8"Yb 88bg,8'8, dP" "Yb dP""""8I 88 I8P" "Yb + I8 8I 8I dP I8 8I ,8' Yb i8' ,8' 8I 88 I8' ,8i +,dP 8I Yb,,dP I8, ,8I,8'_ 8) ,d8,_ _,dP Y8,_,88,_,I8 _ ,d8' +8P' 8I `Y88" "Y8P" P' "YY8P8PP""Y8888PP8P `Y88P""Y8PI8 YY88888P + I8 + I8 + I8 + I8 + I8 + I8 + + I8 + I8 +88888888 + I8 + I8 + I8 + ,I8, + ,d88b, + 8P""Y8 + + + + + + + ooooooo + ooooooo o888 888o +888 888 888888888 +888 888 888o o888 + 88ooo88 88ooo88 + +157 143 164 141 154 + + ___ __ _ _ __ ___ + / _ \ / _` | '__/ _ \ +| (_) | (_| | | | __/ + \___/ \__, |_| \___| + |___/ +_________________ooooo__ +_ooooo___oooo__oo____oo_ +oo___oo_oo___o_______oo_ +oo___oo___oo_______ooo__ +oo___oo_o___oo___ooo____ +_ooooo___oooo__oooooooo_ +________________________ + + + + ____ ____ _ _ _ ____ +(____) (____)(_) ( ) (_)(____) +(_)_(_)( )_( )(_)_(_)_(_)(_)_(_) +(____) (__)_) (__) (__) (____) +(_) (_) +(_) (_) + /^^ + /^^ +/^ /^^ /^^ /^^ /^^ /^^ /^^^^ +/^ /^^ /^ /^^ /^^ /^^ /^^ /^^ /^^ +/^ /^^/^^^^^ /^^/^^ /^^ /^/^^ /^^^ +/^^ /^^ /^ /^^ /^^ /^^ /^^ /^^ +/^^ /^^^^ /^^ /^^^/^^ /^^/^^ /^^ +/^^ + o o o + O O O + O O o + o o O +.oOo. .oOo. 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OoOo. o .oOo. .oOo +O o OooO' O o O o O OooO' `Ooo. +o O O o O o O o O O +oOoO' `OoO' `OoO' `OoO' Oo `OoO' `OoO' +O +o' + + _ _ _ _ _ _ + /_//_'/_//_//_'/ +/ / / + +@@@@@@@ @@@@@@ @@@ @@@@@@ @@@@@@ @@@ @@@ +@@@@@@@@ @@@@@@@@ @@@ @@@@@@@ @@@@@@@@ @@@@ @@@ +@@! @@@ @@! @@@ @@! !@@ @@! @@@ @@!@!@@@ +!@! @!@ !@! @!@ !@! !@! !@! @!@ !@!!@!@! +@!@@!@! @!@ !@! !!@ !!@@!! @!@ !@! @!@ !!@! +!!@!!! !@! !!! !!! !!@!!! !@! !!! !@! !!! +!!: !!: !!! !!: !:! !!: !!! !!: !!! +:!: :!: !:! :!: !:! :!: !:! :!: !:! + :: ::::: :: :: :::: :: ::::: :: :: :: + : : : : : :: : : : : : :: : + + ___ ___ + /'___)/'___) + _ _ _ _ | (__ | (__ _ _ +( '_`\ ( ) ( )| ,__)| ,__)( ) ( ) +| (_) )| (_) || | | | | (_) | +| ,__/'`\___/'(_) (_) `\__, | +| | ( )_| | +(_) `\___/' + ^ ^ ^ ^ ^ ^ ^ + /p\ /y\ /r\ /a\ /m\ /i\ /d\ +<___><___><___><___><___><___><___> + + _ _ + ___ ___ ___| |_ ___ ___ ___| |___ ___ +| _| -_| _| _| .'| | . | | -_|_ -| +|_| |___|___|_| |__,|_|_|_ |_|___|___| + |___| +______________________________________________________________ +/~~~~~~~\__/~~~~~~~~\_/~~\_______/~~~~\_/~~~~~~~~\_/~~~~~~~~\_ +/~~\__/~~\_/~~\_______/~~\________/~~\__/~~\_______/~~\_______ +/~~~~~~~\__/~~~~~~\___/~~\________/~~\__/~~~~~~\___/~~~~~~\___ +/~~\__/~~\_/~~\_______/~~\________/~~\__/~~\_______/~~\_______ +/~~\__/~~\_/~~~~~~~~\_/~~~~~~~~\_/~~~~\_/~~~~~~~~\_/~~\_______ +______________________________________________________________ +\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ +//////// \\///////// \/// \\\\\\\///// \///////// \///////// \\/////// \ +/// \\/// \/// \\\\\\\/// \\\\\\\\/// \\/// \\\\\\\/// \\\\\\\/// \/// \ +//////// \\/////// \\\/// \\\\\\\\/// \\/////// \\\/////// \\\\\\/// \\\ +/// \\/// \/// \\\\\\\/// \\\\\\\\/// \\/// \\\\\\\/// \\\\\\\\/// \\\\\ +/// \\/// \///////// \///////// \///// \///////// \/// \\\\\\\//////// \ +\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ +======================= +======================= +======================= +======================= += = ==== === = = += = == = == = = += ======= === == += ======= ====== == += ======= = ==== === += ======== ===== === +======================= + + +oooo d8b .ooooo. ooo. .oo. .oo. .oooo. ooo. .oo. +`888""8P d88' `88b `888P"Y88bP"Y88b `P )88b `888P"Y88b + 888 888 888 888 888 888 .oP"888 888 888 + 888 888 888 888 888 888 d8( 888 888 888 +d888b `Y8bod8P' o888o o888o o888o `Y888""8o o888o o888o + + + +ebg13 + _ _ + | | | | + ____ ___ _ _ ____ __| |_____ __| | + / ___) _ \| | | | _ \ / _ | ___ |/ _ | +| | | |_| | |_| | | | ( (_| | ____( (_| | +|_| \___/|____/|_| |_|\____|_____)\____| + + dMMMMb .aMMMb dMP dMP dMP .aMMMb dMMMMb .aMMMb .aMMMb dMMMMb + dMP.dMP dMP"dMP dMP dMP dMP dMP"dMP dMP dMP dMP"VMP dMP"dMP dMP.dMP + dMMMMK" dMP dMP dMP dMP dMP dMMMMMP dMP dMP dMP dMMMMMP dMMMMP" + dMP"AMF dMP.aMP dMP.dMP.dMP dMP dMP dMP dMP dMP.aMP dMP dMP dMP +dMP dMP VMMMP" VMMMPVMMP" dMP dMP dMP dMP VMMMP" dMP dMP dMP + + +888,8, e88 88e 8P d8P 8P d8P e88 88e +888 " d888 888b P d8P P d8P d888 888b +888 Y888 888P d8P d d8P d Y888 888P +888 "88 88" d8P d8 d8P d8 "88 88" + + + + + +|\ |\ | |~\ | +|/ | | `| |_| | +|\ | | |` ||| |\ + @@@@@@ @@@@@@@ @@@ @@@@@@ @@@@@@ @@@@@@@ + !@@ @@! @@@ @@! @@! @@@ @@! @@@ @@! @@@ + !@@!! @!@!@!@ @!! @!@ !@! @!@ !@! @!@ !@! + !:! !!: !!! !!: !!: !!! !!: !!! !!: !!! + ::.: : :: : :: : ::.: : : :. : : :. : :: : : + + + o + , __ ,_ _ _|_ +/ \_/ / | | |/ \_| + \/ \___/ |_/|_/|__/ |_/ + /| + \| + ___ ___ ___ __ ___ __ __ ___ +/ __)( _)( ,) ( )( _) / _) ( ) ( ,\ +\__ \ ) _) ) \ )( ) _)( (_ /__\ ) _/ +(___/(___)(_)\_)(__)(_) \__)(_)(_)(_) + | | + __| __ \ _` | _` | _ \\ \ \ / +\__ \ | | | ( | ( | ( |\ \ \ / +____/_| |_|\__,_|\__,_|\___/ \_/\_/ + + _|_ |- +_\||()|`|_ + + __ __ + _____/ /___ _____ / /_ + / ___/ / __ `/ __ \/ __/ + (__ ) / /_/ / / / / /_ +/____/_/\__,_/_/ /_/\__/ + + #| #| H| + #HH|#| H| #H| +##H| #| #| #HH|##HH| + H|#| #|## H|## +##H| #H|#H|#HH| #HH| + + _ + // _/_ + _ // _ _. __ o _ / +/_)_ 75.101.163.44 + => 75.101.145.87 + => 174.129.212.2 + + # Subdomains + .mydomain.com. (CNAME) + => proxy.heroku.com + +## Wildcard domains + + heroku addons:add wildcard_domains + + *.yourdomain.com => heroku.com diff --git a/html-css.md b/html-css.md new file mode 100644 index 000000000..eef7f9e6b --- /dev/null +++ b/html-css.md @@ -0,0 +1,27 @@ +### CSS - Selectors + + .class { + } + +### CSS - Font styling + + font-family: Arial; + font-size: 12pt; + line-height: 150%; + color: #aa3322; + +### CSS - Font styling + + // Bold + font-weight: bold; + font-weight: normal; + + // Italic + font-style: italic; + font-style: normal; + + // Underline + text-decoration: underline; + text-decoration: none; + + diff --git a/html.md b/html.md new file mode 100644 index 000000000..300df70e2 --- /dev/null +++ b/html.md @@ -0,0 +1,18 @@ +title: HTML +--- + +### H5BP HTML tag + + + + + + + +### iPhone viewport + + + +### Google jQuery + + diff --git a/index.haml b/index.haml new file mode 100644 index 000000000..36a3259a3 --- /dev/null +++ b/index.haml @@ -0,0 +1,10 @@ +title: Cheat sheets +--- +%ul.pages + - Dir['./*.*'].each do |p| + - name = File.basename(p, '.*') + - ext = File.extname(p) + - next if %w[.sass .scss].include?(ext) || %w[config Gemfile index].include?(name) || name[0] == '_' + - url = name + ".html" + %li + %a{href: url}= name diff --git a/ios.md b/ios.md new file mode 100644 index 000000000..f3d133978 --- /dev/null +++ b/ios.md @@ -0,0 +1,11 @@ +Path to Installous downloads: + + /private/var/mobile/Documents/Installous/Downloads + +Multiple Exchange accounts: + + scp root@iphone.local:/private/var/mobile/Library/Preferences/com.apple.accountsettings.plist . + +Ringtone conversion using ffmpeg: + + ffmpeg -i foo.mp3 -ac 1 -ab 128000 -f mp4 -acodec libfaac -y target.m4r diff --git a/jquery.md b/jquery.md new file mode 100644 index 000000000..4192b53d1 --- /dev/null +++ b/jquery.md @@ -0,0 +1,51 @@ +title: jQuery +--- + +### Extending selectors + + // $(":inline") + $.expr[':'].inline = function(a) { + return $(a).css('display') === 'inline'; + }; + +### Extend CSS properties + + $.cssHooks.someCSSProp = { + get: function(elem, computed, extra) { + }, + set: function(elem, value) { + } + }; + + // Disable "px" + $.cssNumber["someCSSProp"] = true; + +### fn.animate() hooks + + $.fn.step.someWhatever = function(fx) { + // ... + } + +### Mobile events + +For support for `tap`, `swipe`, `swipeLeft`, et al, use +[jquery.mobile.event.js][m]. Be sure to set `$.support.touch` first. + +To get `$.support.touch` (and family), use this from +[jquery.mobile.support.js][s]: + + $.extend($.support, { + orientation: "orientation" in window && "onorientationchange" in window, + touch: "ontouchend" in document, + cssTransitions: "WebKitTransitionEvent" in window, + pushState: "pushState" in history && "replaceState" in history, + mediaquery: $.mobile.media( "only all" ), + cssPseudoElement: !!propExists( "content" ), + touchOverflow: !!propExists( "overflowScrolling" ), + boxShadow: !!propExists( "boxShadow" ) && !bb, + scrollTop: ( "pageXOffset" in window || "scrollTop" in document.documentElement || "scrollTop" in fakeBody[ 0 ] ) && !webos && !operamini, + dynamicBaseTag: baseTagTest() + }); + +[m]:https://github.com/jquery/jquery-mobile/blob/master/js/jquery.mobile.event.js +[s]:https://github.com/jquery/jquery-mobile/blob/master/js/jquery.mobile.support.js diff --git a/linux.md b/linux.md new file mode 100644 index 000000000..635f560dc --- /dev/null +++ b/linux.md @@ -0,0 +1,4 @@ +### Mounting a RAM drive + + $ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp + diff --git a/makefile.md b/makefile.md new file mode 100644 index 000000000..0343060f3 --- /dev/null +++ b/makefile.md @@ -0,0 +1,26 @@ +### Safe assignment + + prefix ?= /usr/local + +### Cool stuff + + gitdir ?= $(shell git --exec-path) + gitver ?= $(word 3,$(shell git --version)) + +### Substitutions + + $(SOURCE:.cpp=.o) + $(patsubst %.cpp, %.c, $(SOURCES)) + +### Building files + + %.o: %.c + ffmpeg -i $< > $@ # Input and output + foo $^ + +### Default task + + default: + @echo "hello." + @false + diff --git a/markdown.md b/markdown.md new file mode 100644 index 000000000..3771868f3 --- /dev/null +++ b/markdown.md @@ -0,0 +1,14 @@ +title: Markdown +---- + +## Markdown + + # h1 + ### h3 + + [link](http://google.com) + + [link][google] + [google]: http://google.com + + ![Image alt text](/path/to/img.jpg) diff --git a/osx.md b/osx.md new file mode 100644 index 000000000..03a27e004 --- /dev/null +++ b/osx.md @@ -0,0 +1,23 @@ +Locations of startup items +-------------------------- + + /System/Library/LaunchAgents/ + /System/Library/LaunchDaemons/ + /Library/LaunchAgents/ + /Library/LaunchDaemons/ + +Hide desktop icons +------------------ + + defaults write com.apple.finder CreateDesktop -bool false + killall Finder + +Auto-hide other windows on dock switch +-------------------------------------- + + defaults write com.apple.dock single-app -bool TRUE + killall Dock + + defaults delete com.apple.dock single-app + killall Dock + diff --git a/passenger.md b/passenger.md new file mode 100644 index 000000000..c31aede46 --- /dev/null +++ b/passenger.md @@ -0,0 +1,11 @@ +title: Phusion Passenger +--- + + server { + listen 80; + server_name www.yourhost.com; + root /somewhere/public; # <--- be sure to point to 'public'! + passenger_enabled on; + autoindex on; # Show directory listings + } + diff --git a/rails-models.md b/rails-models.md new file mode 100644 index 000000000..964ad7fad --- /dev/null +++ b/rails-models.md @@ -0,0 +1,293 @@ +title: Rails Models +---- + +### Generating models + + $ rails g model User + +### Associations + + belongs_to + has_one + has_many + has_many :through + has_one :through + has_and_belongs_to_many + + belongs_to :author, + class_name: 'User', + dependent: :destroy // delete this + +### Has many + + belongs_to :parent, :foreign_key => 'parent_id' class_name: 'Folder' + has_many :folders, :foreign_key => 'parent_id', class_name: 'Folder' + + has_many :comments, :order => "posted_on" + has_many :comments, :include => :author + has_many :people, :class_name => "Person" + has_many :people, :conditions => "deleted = 0" + has_many :tracks, :order => "position" + has_many :comments, :dependent => :nullify + has_many :comments, :dependent => :destroy + has_many :tags, :as => :taggable + has_many :reports, :readonly => true + has_many :subscribers, :through => :subscriptions, class_name: "User", :source => :user + has_many :subscribers, :finder_sql => + 'SELECT DISTINCT people.* ' + + 'FROM people p, post_subscriptions ps ' + + 'WHERE ps.post_id = #{id} AND ps.person_id = p.id ' + + 'ORDER BY p.first_name' + +### Many-to-many + +If you have a join model: + + class Programmer < ActiveRecord::Base + has_many :assignments + has_many :projects, :through => :assignments + end + + class Project < ActiveRecord::Base + has_many :assignments + has_many :programmers, :through => :assignments + end + + class Assignment + belongs_to :project + belongs_to :programmer + end + +Or HABTM: + + has_and_belongs_to_many :projects + has_and_belongs_to_many :projects, :include => [ :milestones, :manager ] + has_and_belongs_to_many :nations, :class_name => "Country" + has_and_belongs_to_many :categories, :join_table => "prods_cats" + has_and_belongs_to_many :categories, :readonly => true + has_and_belongs_to_many :active_projects, :join_table => 'developers_projects', :delete_sql => + "DELETE FROM developers_projects WHERE active=1 AND developer_id = #{id} AND project_id = #{record.id}" + +### Polymorphic associations + + class Post + has_many :attachments, :as => :parent + end + + class Image + belongs_to :parent, :polymorphic => true + end + +And in migrations: + + create_table :images do + t.references :post, :polymorphic => true + end + +Migrations +---------- + +### Run migrations + + $ rake db:migrate + +### Migrations + + create_table :users do |t| + t.string :name + t.text :description + + t.primary_key :id + t.string + t.text + t.integer + t.float + t.decimal + t.datetime + t.timestamp + t.time + t.date + t.binary + t.boolean + end + + options: + :null (boolean) + :limit (integer) + :default + :precision (integer) + :scale (integer) + +### Tasks + + create_table + change_table + drop_table + add_column + change_column + rename_column + remove_column + add_index + remove_index + +### Associations + + t.references :category # kinda same as t.integer :category_id + + # Can have different types + t.references :category, polymorphic: true + +### Add/remove columns + + $ rails generate migration RemovePartNumberFromProducts part_number:string + + class RemovePartNumberFromProducts < ActiveRecord::Migration + def up + remove_column :products, :part_number + end + + def down + add_column :products, :part_number, :string + end + end + +Validation +---------- + + class Person < ActiveRecord::Base + + # Checkboxes +   validates :terms_of_service, :acceptance => true + + # Validate associated records +   has_many :books +   validates_associated :books + + # Confirmation (like passwords) + validates :email, :confirmation => true + + # Format + validates :legacy_code, :format => { + :with => /\A[a-zA-Z]+\z/, + :message => "Only letters allowed" + } + + # Length + validates :name, :length => { :minimum => 2 } + validates :bio, :length => { :maximum => 500 } + validates :password, :length => { :in => 6..20 } + validates :number, :length => { :is => 6 } + + # Length (full enchalada) + validates :content, :length => { + :minimum => 300, + :maximum => 400, + :tokenizer => lambda { |str| str.scan(/\w+/) }, + :too_short => "must have at least %{count} words", + :too_long => "must have at most %{count} words" + } + end + + # Numeric + validates :points, :numericality => true + validates :games_played, :numericality => { :only_integer => true } + + # Non empty +   validates :name, :presence => true + + # Multiple + validate :login, :email, :presence => true + end + +### Custom validations + + class Person < ActiveRecord::Base + validate :foo_cant_be_nil + + def foo_cant_be_nil + errors.add(:foo, 'cant be nil') if foo.nil? + end + end + +API +--- + + items = Model.find_by_email(email) + items = Model.where(first_name: "Harvey") + + item = Model.find(id) + + item.serialize_hash + item.new_record? + + item.create # Same an #new then #save + item.create! # Same as above, but raises an Exception + + item.save + item.save! # Same as above, but raises an Exception + + item.update + item.update_attributes + item.update_attributes! + + item.valid? + item.invalid? + + +http://guides.rubyonrails.org/active_record_validations_callbacks.html + +### Mass updates + + # Updates person id 15 + Person.update 15, name: "John", age: 24 + Person.update [1,2], [{name: "John"}, {name: "foo"}] + +### Joining + + Student.joins(:schools).where(:schools => { :type => 'public' }) + Student.joins(:schools).where('schools.type' => 'public' ) + +### Serialize + + class User < ActiveRecord::Base + serialize :preferences + end + + user = User.create(:preferences => { "background" => "black", "display" => large }) + +You can also specify a class option as the second parameter that’ll raise an +exception if a serialized object is retrieved as a descendant of a class not in +the hierarchy. + + class User < ActiveRecord::Base + serialize :preferences, Hash + end + + user = User.create(:preferences => %w( one two three )) + User.find(user.id).preferences # raises SerializationTypeMismatch + +Overriding accessors +-------------------- + + class Song < ActiveRecord::Base + # Uses an integer of seconds to hold the length of the song + + def length=(minutes) + write_attribute(:length, minutes.to_i * 60) + end + + def length + read_attribute(:length) / 60 + end + end + + * http://api.rubyonrails.org/classes/ActiveRecord/Base.html + +Callbacks +--------- + + after_create + after_initialize + after_validation + after_save + after_commit diff --git a/rails-plugins.md b/rails-plugins.md new file mode 100644 index 000000000..e62927405 --- /dev/null +++ b/rails-plugins.md @@ -0,0 +1,133 @@ +Generate a plugin +----------------- + +Generate a Rails Engine plugin: + + rails plugin new myplugin --skip-bundle --full + +Initializers +------------ + +* [Rails::Railtie](http://edgeapi.rubyonrails.org/classes/Rails/Railtie.html) +* [EngineYard blog + post](http://www.engineyard.com/blog/2010/extending-rails-3-with-railties/) + +Subclass Railtie and provide an `initializer` method. + + module NewPlugin + class Railtie < Rails::Railtie + initializer "newplugin.initialize" do |app| + + # subscribe to all rails notifications: controllers, AR, etc. + ActiveSupport::Notifications.subscribe do |*args| + event = ActiveSupport::Notifications::Event.new(*args) + puts "Got notification: #{event.inspect}" + end + + end + end + end + +Custom routes +------------- + +* [ActionDispatch::Routing::Mapper](http://api.rubyonrails.org/classes/ActionDispatch/Routing/Mapper.html) + +To create custom `routes.rb` keywords: + + # # routes.rb: + # myplugin_for x + # + class ActionDispatch::Routing + class Mapper + def myplugin_for(*x) + end + end + end + +Example with a block: + + # authenticated do + # resources :users + # end + # + def authenticated + constraint = lambda { |request| request... } + + constraints(constraint) { yield } + end + +Custom generators +----------------- + +* [Guide: generators](http://guides.rubyonrails.org/generators.html) +* [ActiveRecord::Generators::Base](http://api.rubyonrails.org/classes/ActiveRecord/Generators/Base.html) + +### Basic + + # rails g initializer + # lib/generators/initializer_generator.rb + class InitializerGenerator < Rails::Generators::Base + def create_initializer_file + create_file "config/initializers/initializer.rb", "# Add initialization content here" + end + end + + * Extend `Rails::Generators::Base`. + * Each public method in the generator is executed when a generator is invoked. + +### Generating a generator + + $ rails generate generator initializer + +### NamedBase + +Use `NamedBase` instead if you want to take an argument. It will be available as +`file_name`. + + class InitializerGenerator < Rails::Generators::Base + def lol + puts file_name + end + end + +### More + + class InitializerGenerator < Rails::Generators::NamedBase + # +   source_root File.expand_path("../templates", __FILE__) + desc "Description goes here." + end + +### Generators lookup + +When invoking `rails g XXX`: + + * [rails/]generators/XXX/XXX_generator.rb + * [rails/]generators/XXX_generator.rb + +When invoking `rails g XXX:YYY`: + + * [rails/]generators/XXX/YYY_generator.rb + +ActiveModel 'acts as' +--------------------- + + # yaffle/lib/yaffle/acts_as_yaffle.rb + module Yaffle + module ActsAsYaffle + extend ActiveSupport::Concern + + included do + end + + module ClassMethods + def acts_as_yaffle(options = {}) + # your code will go here + end + end + end + end + + ActiveRecord::Base.send :include, Yaffle::ActsAsYaffle + diff --git a/rails-routes.md b/rails-routes.md new file mode 100644 index 000000000..6b5d52603 --- /dev/null +++ b/rails-routes.md @@ -0,0 +1,172 @@ +mapping +------------- + +[Guides/Routing](http://guides.rubyonrails.org/routing.html) + +[ActionDispatch::Routing::Mapper](Rhttp://api.rubyonrails.org/classes/ActionDispatch/Routing/Mapper.html) +(See included modules) + +### Multiple resources + + resources :books + # PhotosController: + # index => GET /photos + # new => GET /photos/new + # create => POST /photos/new + # show => GET /photos/:id + # edit => GET /photos/:id/edit + # update => PUT /photos/:id + # delete => DELETE /photos/:id + # + # Helpers: + # new_book_path + # book_path(id) + # edit_book_path(id) + # + + resources :photos do + member { get 'preview' } # /photo/1/preview + get 'preview', on: :member # (..same as the first) + collection { get 'search' } # /photos/search + end + +### Single resource + + resource :coder + + # CodersController: + # new => GET /coder/new + # create => POST /coder/new + # show => GET /coder + # edit => GET /coder/edit + # update => PUT /coder + # delete => DELETE /coder + +### Matching + + match 'photo/:id' => 'photos#show' # /photo/what-is-it + match 'photo/:id', id: /[0-9]+/ # /photo/0192 + match 'photo/:id' => 'photos#show', constraints: { id: /[0-9]+/ } + match 'photo/:id', via: :get + match 'photo/:id', via: [:get, :post] + + match 'photo/*path' => 'photos#unknown' # /photo/what/ever + + # params[:format] == 'jpg' + match 'photos/:id' => 'photos#show', :defaults => { :format => 'jpg' } + +### Redirection + + match '/stories' => redirect('/posts') + match '/stories/:name' => redirect('/posts/%{name}') + +### Named + + # logout_path + match 'exit' => 'sessions#destroy', as: :logout + +### Constraints + + match '/', constraints: { subdomain: 'admin' } + + # admin.site.com/admin/photos + namespace 'admin' do + constraints subdomain: 'admin' do + resources :photos + end + end + +### Custom constraints + + class BlacklistConstraint + def initialize + @ips = Blacklist.retrieve_ips + end + + def matches?(request) + @ips.include?(request.remote_ip) + end + end + + TwitterClone::Application.routes.draw do + match "*path" => "blacklist#index", + :constraints => BlacklistConstraint.new + end + +### Scopes + + scope 'admin', constraints: { subdomain: 'admin' } do + resources ... + end + +### Rack middleware + + # Yes, Sprockets is middleware + match '/application.js' => Sprockets + +### Route helpers + + projects_path # /projects + projects_url # http://site.com/projects + + +### Default help text + + # The priority is based upon order of creation: + # first created -> highest priority. + + # Sample of regular route: + match 'products/:id' => 'catalog#view' + + # Keep in mind you can assign values other than :controller and :action + + # Sample of named route: + match 'products/:id/purchase' => 'catalog#purchase', :as => :purchase + + # This route can be invoked with purchase_url(:id => product.id) + + # Sample resource route (maps HTTP verbs to controller actions automatically): + resources :products + + # Sample resource route with options: + resources :products do + member do + get 'short' + post 'toggle' + end + + collection do + get 'sold' + end + end + + # Sample resource route with sub-resources: + resources :products do + resources :comments, :sales + resource :seller + end + + # Sample resource route with more complex sub-resources + resources :products do + resources :comments + resources :sales do + get 'recent', :on => :collection + end + end + + # Sample resource route within a namespace: + namespace :admin do + # Directs /admin/products/* to Admin::ProductsController + # (app/controllers/admin/products_controller.rb) + resources :products + end + + # You can have the root of your site routed with "root" + # just remember to delete public/index.html. + root :to => 'welcome#index' + + # See how all your routes lay out with "rake routes" + + # This is a legacy wild controller route that's not recommended for RESTful applications. + # Note: This route will make all actions in every controller accessible via GET requests. + match ':controller(/:action(/:id(.:format)))' diff --git a/rails.md b/rails.md new file mode 100644 index 000000000..bf584d00d --- /dev/null +++ b/rails.md @@ -0,0 +1,129 @@ +Helpers +------- + + class ApplicationController + helper_method :logged_in? + + def logged_in? + "Something" + end + end + +### CSS/JS packages + + stylesheet_link_tag :monkey + javascript_link_tag :monkey + +### Forms + + # http://api.rubyonrails.org/classes/ActionView/Helpers/FormHelper.html + + - form_for @person do |f| + = f.label :first_name + = f.label :first_name, "First name" + = f.text_field :first_name + + = f.label :last_name> + = f.text_field :last_name> + + - fields_for @person.permission do |fields| + = fields.checkbox :admin + + -# name="person[admin]" + - fields_for :person, @client do |fields| + = fields.checkbox :admin + + = f.submit + + # Also: check_box, email_field, fields_for + # file_field, hidden_field, label, number_field, password_field + # radio_button, range_field, search_field, telephonen_field, + # text_area, text_field, url_field + +Controllers +----------- + +http://apidock.com/rails/ActionController/Base + + class ProjectsController + layout 'project' # Actually defaults to `projects` based + # on the controller name + + def save + end + + def edit + end + end + +### Before filter + + class ApplicationController < ActionController::Base + before_filter :validate, only: [:save, :edit] + before_filter :ensure_auth, except: [:logout] + + before_filter :require_login + + private + + def require_login + unless logged_in? + flash[:error] = "You must be logged in to access this section" + redirect_to new_login_url # halts request cycle + end + end + end + +### Default URL optinos + + class ApplicationController < ActionController::Base + # The options parameter is the hash passed in to 'url_for' + def default_url_options(options) + {:locale => I18n.locale} + end + end + +### Hashes + + session[:what] + flash[:notice] = "Your session expired" + params[:id] + +### XML and JSON + + class UsersController < ApplicationController + def index + @users = User.all + respond_to do |format| + format.html # index.html.erb + format.xml { render :xml => @users} + format.json { render :json => @users} + end + end + end + +### Redirection + + redirect_to action: 'show', id: @entry.id + redirect_to root_url # a path + +### Render + + render nothing: true + render template: 'products/show' + render action: 'something' # same as `file: 'my/something'` + # Renders the template only, does not execute + # the action + +Layouts +------- + + # app/views/layouts/application.html.erb + <%= content_for?(:content) ? yield :content : yield %> + + # app/views/layouts/news.html.erb + <% content_for :content do %> + ... + <% end %> + <% render template: :'layouts/application' %> + diff --git a/rdoc.md b/rdoc.md new file mode 100644 index 000000000..9e7e5b705 --- /dev/null +++ b/rdoc.md @@ -0,0 +1,28 @@ +title: Rdoc +---- + +### Basic RDoc format + + # Foo. + # + # @example + # + # y + # g + # + # @param [String] param_name The xx and xx. + # + # @see http://url.com + # + # @return [true] if so + # + # == Definition lists + # + # list:: hi. + # +foo+:: parameterized + # + # == Definition lists + # [foo] also + # [bar] like this + +http://rdoc.rubyforge.org/RDoc/Markup.html diff --git a/rst.md b/rst.md new file mode 100644 index 000000000..c1162d420 --- /dev/null +++ b/rst.md @@ -0,0 +1,51 @@ +title: ReStructuredText +--- + +### Comments + + .. @theme 2010 + .. include:: ../themes/2010/common.rst + .. contents:: + .. |substitute| replace:: replacement name + +### Headings + + Heading + ======= + + .. class:: brief + + Hello there. |substitute| **This is bold** + + + - Bullet list with a link_ (or `link with words`_) + - Yes + + .. _link: http://link.org + +### PDF page break + + .. raw:: pdf + + PageBreak oneColumn + +### Link targets + + Internal link target_. + + .. _target: + + This is where _target will end up in. + +### Tables (?) + + .. class:: hash-table + + .. list-table:: + + * - :key:`Weekly work hours:` + - :val:`50 hours` + * - :key:`Cost per hour:` + - :val:`PhP 1,500/hour` + * - :key:`Weekly rate:` + - :val:`PhP 75,000/week` diff --git a/sequel.rdoc b/sequel.rdoc new file mode 100644 index 000000000..b6faea7ac --- /dev/null +++ b/sequel.rdoc @@ -0,0 +1,386 @@ +title: Sequel +---- + += Cheat Sheet + +== Open a database + + require 'rubygems' + require 'sequel' + + DB = Sequel.sqlite('my_blog.db') + DB = Sequel.connect('postgres://user:password@localhost/my_db') + DB = Sequel.postgres('my_db', :user => 'user', :password => 'password', :host => 'localhost') + DB = Sequel.ado('mydb') + +== Open an SQLite memory database + +Without a filename argument, the sqlite adapter will setup a new sqlite database in memory. + + DB = Sequel.sqlite + +== Logging SQL statements + + require 'logger' + DB = Sequel.sqlite '', :loggers => [Logger.new($stdout)] + # or + DB.loggers << Logger.new(...) + +== Using raw SQL + + DB.run "CREATE TABLE users (name VARCHAR(255) NOT NULL, age INT(3) NOT NULL)" + dataset = DB["SELECT age FROM users WHERE name = ?", name] + dataset.map(:age) + DB.fetch("SELECT name FROM users") do |row| + p row[:name] + end + +== Create a dataset + + dataset = DB[:items] + dataset = DB.from(:items) + +== Most dataset methods are chainable + + dataset = DB[:managers].where(:salary => 5000..10000).order(:name, :department) + +== Insert rows + + dataset.insert(:name => 'Sharon', :grade => 50) + +== Retrieve rows + + dataset.each{|r| p r} + dataset.all # => [{...}, {...}, ...] + dataset.first # => {...} + +== Update/Delete rows + + dataset.filter(~:active).delete + dataset.filter('price < ?', 100).update(:active => true) + +== Datasets are Enumerable + + dataset.map{|r| r[:name]} + dataset.map(:name) # same as above + + dataset.inject(0){|sum, r| sum + r[:value]} + dataset.sum(:value) # same as above + +== Filtering (see also doc/dataset_filtering.rdoc) + +=== Equality + + dataset.filter(:name => 'abc') + dataset.filter('name = ?', 'abc') + +=== Inequality + + dataset.filter{value > 100} + dataset.exclude{value <= 100} + +=== Inclusion + + dataset.filter(:value => 50..100) + dataset.where{(value >= 50) & (value <= 100)} + + dataset.where('value IN ?', [50,75,100]) + dataset.where(:value=>[50,75,100]) + + dataset.where(:id=>other_dataset.select(:other_id)) + +=== Subselects as scalar values + + dataset.where('price > (SELECT avg(price) + 100 FROM table)') + dataset.filter{price > dataset.select(avg(price) + 100)} + +=== LIKE/Regexp + + DB[:items].filter(:name.like('AL%')) + DB[:items].filter(:name => /^AL/) + +=== AND/OR/NOT + + DB[:items].filter{(x > 5) & (y > 10)}.sql + # SELECT * FROM items WHERE ((x > 5) AND (y > 10)) + + DB[:items].filter({:x => 1, :y => 2}.sql_or & ~{:z => 3}).sql + # SELECT * FROM items WHERE (((x = 1) OR (y = 2)) AND (z != 3)) + +=== Mathematical operators + + DB[:items].filter((:x + :y) > :z).sql + # SELECT * FROM items WHERE ((x + y) > z) + + DB[:items].filter{price - 100 < avg(price)}.sql + # SELECT * FROM items WHERE ((price - 100) < avg(price)) + +== Ordering + + dataset.order(:kind) + dataset.reverse_order(:kind) + dataset.order(:kind.desc, :name) + +== Limit/Offset + + dataset.limit(30) # LIMIT 30 + dataset.limit(30, 10) # LIMIT 30 OFFSET 10 + +== Joins + + DB[:items].left_outer_join(:categories, :id => :category_id).sql + # SELECT * FROM items LEFT OUTER JOIN categories ON categories.id = items.category_id + + DB[:items].join(:categories, :id => :category_id).join(:groups, :id => :items__group_id) + # SELECT * FROM items INNER JOIN categories ON categories.id = items.category_id INNER JOIN groups ON groups.id = items.group_id + +== Aggregate functions methods + + dataset.count #=> record count + dataset.max(:price) + dataset.min(:price) + dataset.avg(:price) + dataset.sum(:stock) + + dataset.group_and_count(:category) + dataset.group(:category).select(:category, :AVG.sql_function(:price)) + +== SQL Functions / Literals + + dataset.update(:updated_at => :NOW.sql_function) + dataset.update(:updated_at => 'NOW()'.lit) + + dataset.update(:updated_at => "DateValue('1/1/2001')".lit) + dataset.update(:updated_at => :DateValue.sql_function('1/1/2001')) + +== Schema Manipulation + + DB.create_table :items do + primary_key :id + String :name, :unique => true, :null => false + TrueClass :active, :default => true + foreign_key :category_id, :categories + DateTime :created_at + + index :created_at + end + + DB.drop_table :items + + DB.create_table :test do + String :zipcode + enum :system, :elements => ['mac', 'linux', 'windows'] + end + +== Aliasing + + DB[:items].select(:name.as(:item_name)) + DB[:items].select(:name___item_name) + DB[:items___items_table].select(:items_table__name___item_name) + # SELECT items_table.name AS item_name FROM items AS items_table + +== Transactions + + DB.transaction do + dataset.insert(:first_name => 'Inigo', :last_name => 'Montoya') + dataset.insert(:first_name => 'Farm', :last_name => 'Boy') + end # Either both are inserted or neither are inserted + +Database#transaction is re-entrant: + + DB.transaction do # BEGIN issued only here + DB.transaction + dataset << {:first_name => 'Inigo', :last_name => 'Montoya'} + end + end # COMMIT issued only here + +Transactions are aborted if an error is raised: + + DB.transaction do + raise "some error occurred" + end # ROLLBACK issued and the error is re-raised + +Transactions can also be aborted by raising Sequel::Rollback: + + DB.transaction do + raise(Sequel::Rollback) if something_bad_happened + end # ROLLBACK issued and no error raised + +Savepoints can be used if the database supports it: + + DB.transaction do + dataset << {:first_name => 'Farm', :last_name => 'Boy'} # Inserted + DB.transaction(:savepoint=>true) # This savepoint is rolled back + dataset << {:first_name => 'Inigo', :last_name => 'Montoya'} # Not inserted + raise(Sequel::Rollback) if something_bad_happened + end + dataset << {:first_name => 'Prince', :last_name => 'Humperdink'} # Inserted + end + +== Miscellaneous: + + dataset.sql # "SELECT * FROM items" + dataset.delete_sql # "DELETE FROM items" + dataset.where(:name => 'sequel').exists # "EXISTS ( SELECT * FROM items WHERE name = 'sequel' )" + dataset.columns #=> array of columns in the result set, does a SELECT + DB.schema(:items) => [[:id, {:type=>:integer, ...}], [:name, {:type=>:string, ...}], ...] + +---------------------------------------------------------------------------------------------------------------------------------------------------------------- + +== Documents + + http://sequel.rubyforge.org/rdoc/files/doc/association_basics_rdoc.html + http://sequel.rubyforge.org/rdoc/classes/Sequel/Schema/Generator.html + http://sequel.rubyforge.org/rdoc/files/doc/validations_rdoc.html + http://sequel.rubyforge.org/rdoc/classes/Sequel/Model.html + +== Alter table + + database.alter_table :deals do + add_column :name, String + drop_column :column_name + rename_column :from, :to + + add_constraint :valid_name, :name.like('A%') + drop_constraint :constraint + + add_full_text_index :body + add_spacial_index [columns] + + add_index :price + drop_index :index + + add_foreign_key :artist_id, :table + add_primary_key :id + add_unique_constraint [columns] + set_column_allow_null :foo, false + set_column_default :title, '' + + set_column_type :price, 'char(10)' + end + +== Model associations + + class Deal < Sequel::Model + + # Us (left) <=> Them (right) + many_to_many :images, + left_id: :deal_id, + right_id: :image_id, + join_table: :image_links + + one_to_many :files, + key: :deal_id, + class: :DataFile, + + many_to_one :parent, class: self + one_to_many :children, key: :parent_id, class: self + + one_to_many :gold_albums, class: :Album do |ds| + ds.filter { copies_sold > 50000 } + end + +Provided by many_to_many + + Deal[1].images + Deal[1].add_image + Deal[1].remove_image + Deal[1].remove_all_images + +== Validations + + def validate + super + errors.add(:name, 'cannot be empty') if !name || name.empty? + + validates_presence [:title, :site] + validates_unique :name + validates_format /\Ahttps?:\/\//, :website, :message=>'is not a valid URL' + validates_includes %w(a b c), :type + validates_integer :rating + validates_numeric :number + validates_type String, [:title, :description] + + validates_integer :rating if new? + + # options: :message =>, :allow_nil =>, :allow_blank =>, + # :allow_missing =>, + + validates_exact_length 17, :isbn + validates_min_length 3, :name + validates_max_length 100, :name + validates_length_range 3..100, :name + + # Setter override + def filename=(name) + @values[:filename] = name + end + end + end + + deal.errors + +== Model stuff + + deal = Deal[1] + deal.changed_columns + deal.destory # Calls hooks + deal.delete # No hooks + deal.exists? + deal.new? + deal.hash # Only uniques + deal.keys #=> [:id, :name] + deal.modified! + deal.modified? + + deal.lock! + +== Callbacks + + before_create + after_create + + before_validation + after_validation + before_save + before_update + UPDATE QUERY + after_update + after_save + + before_destroy + DELETE QUERY + after_destroy + +== Schema + + class Deal < Sequel::Model + set_schema do + primary_key :id + primary_key [:id, :title] + String :name, primary_key: true + + String :title + Numeric :price + DateTime :expires + + unique :whatever + check(:price) { num > 0 } + + foreign_key :artist_id + String :artist_name, key: :id + + index :title + index [:artist_id, :name] + full_text_index :title + + # String, Integer, Fixnum, Bignum, Float, Numeric, BigDecimal, + # Date, DateTime, Time, File, TrueClass, FalseClass + end + end + +== Unrestrict primary key + + Category.create id: 'travel' # error + Category.unrestrict_primary_key + Category.create id: 'travel' # ok diff --git a/style.sass b/style.sass new file mode 100644 index 000000000..d43690137 --- /dev/null +++ b/style.sass @@ -0,0 +1,93 @@ +@import 'compass/css3' + +body + font-family: 'pt sans', sans-serif + font-size: 14px + line-height: 1.5 + +html + background: #505060 + +body + width: 800px + margin: 20px auto + padding: 20px + +border-radius(2px) + +box-shadow(0 2px 3px rgba(black, 0.2)) + background: #fafafa + color: #333 + +p, ul, ol, pre + margin: 15px 0 + +h1, h2, h3, h4, h5, h6 + margin: 40px 0 15px 0 + +h1 + font-family: georgia, serif + text-align: center + font-size: 24pt + color: #aaa + font-style: italic + font-weight: normal + margin: 10px 0 + padding: 10px 0 + border-bottom: dotted 1px #ddd + border-top: dotted 1px #ddd + +h2, h3 + color: #88a + font-size: 1.5em + border-bottom: solid 1px #ddd + padding-bottom: 3px + +h3 + font-size: 1.3em + +pre, code + font-family: monaco, monospace + font-size: 12px + color: #444 + +pre + line-height: 1.6 + background: #f7f7f2 + padding: 10px 35px + +box-shadow(inset 0 0 5px rgba(black, 0.1)) + overflow-x: auto + + margin-left: -20px + margin-right: -20px + +h2+pre, h3+pre + border-top: solid 2px #c0c0dd + margin-top: -16px + +ul.pages + &, li + margin: 0 + padding: 0 + list-style-type: none + + & + overflow: hidden + margin: 40px 0 + + li + width: 20% + float: left + + a + display: block + text-decoration: none + padding: 2px 5px + +border-radius(3px) + + a:hover + background: #eee + + li:first-letter + text-transform: uppercase + + +@import '_prettify' diff --git a/textile.md b/textile.md new file mode 100644 index 000000000..51447b91b --- /dev/null +++ b/textile.md @@ -0,0 +1,61 @@ +title: Textile +--- + +### Pre blocks + + 
+    I am very serious. -- this will get escaped.
+
+ +### Line breaks + + Line breaks. + Just break the lines. + +### Entities + + one(TM), two(R), three(C). + +### Inlines + + _em_ *strong* __bold-italic__. ??citation??. + @code@. -strikehtrough-. +insertion+. + %span%. %{color:red}formatting%. + "Hypertext":index.html + "Text link":link + + [link]http://link.com + + !image.jpg! + !image.jpg(title text)! + !image.jpg!:link.html + + !>right.jpg! + +### Horizontal line + + -- + +### Blocks + + h1. Header 1 + + h2. Header 2 + + bq. Blockquote + + p(classname). Class. + + p(#id). ID. + +### Lists + + ## ordered list + + * unordered list + +### Footnotes + + Footnotes[1]. + + fn1. Something. diff --git a/tig.md b/tig.md new file mode 100644 index 000000000..074bad5b2 --- /dev/null +++ b/tig.md @@ -0,0 +1,32 @@ +Tig shortcuts +------------- + +Invocation + + tig blame FILE + tig master # Show a branch + tig test..master # Show difference between two bracnhes + tig FILE # Show history of file + tig v0.0.3:README # Show contents of file in a specific revision + +All views +--------- + + * `^N` - Next on parent view + * `^P` - Previous on parent view + +`m` - Main view + * `D` - Toggle between date display modes + * `A` - Toggle between author display modes + * `C` - Cherry pick a commit + +`S` - Stage view + + * `u` - Stage/unstage file or chunk + * `!` - Revert file or chunk + * `C` - Commit + * `M` - Merge + +`H` - Branch view + + * `i` - Change sort header diff --git a/tmux.md b/tmux.md new file mode 100644 index 000000000..9afe85430 --- /dev/null +++ b/tmux.md @@ -0,0 +1,51 @@ +title: tmux Terminal Multiplexer +--- + +### Commands + + $ tmux + -u # UTF8 mode + -S ~/.tmux.socket + + $ tmux attach + +### Help + + C-b ? + +### Scrolling + + C-b [ # Enter scroll mode then press up and down + +### Copy/paste + + C-b [ # 1. Enter scroll mode first. + Space # 2. Start selecting and move around. + Enter # 3. Press enter to copy. + C-b ] # Paste + +### Panes + + C-b v # vert + C-b n # horiz + C-b hkjl # navigation + C-b HJKL # resize + C-b o # next window + C-b x # close pane + + C-b { or } # move windows around + +### Windows + + C-b c # New window + C-b 1 # Go to window 1 + +### Detach/attach + + C-b d # detatch + C-b ( ) # Switch through sessions + $ tmux attach + +### Niceties + + C-b t # Time diff --git a/ubuntu.md b/ubuntu.md new file mode 100644 index 000000000..2adf3d7a2 --- /dev/null +++ b/ubuntu.md @@ -0,0 +1,13 @@ +title: Ubuntu/Debian +---- + +### Aptitude stuff + + aptitude search mysql # Look for something + dpkg -S `which tsclient` # What package does it belong to? + dpkg -L aria2c # What does this package provide? + dpkg -i *.deb # Install a deb file + +### Apt archives path + + /var/cache/apt/archives diff --git a/unicode.txt b/unicode.txt new file mode 100644 index 000000000..57bfcf6db --- /dev/null +++ b/unicode.txt @@ -0,0 +1,19 @@ + ▲▼▶ + + ⬅⬆⬇ + + ◢ ◣ ◤ ◥ + + : «» XOR ‹›, (), [], •, ⌘, ⌥, ▲▼, ▸▹, ◇ XOR ◆, ◐◑◒◓ ◢ ◣ ◤ ◥, ★ ☆ , ♠♥♣♦, ⚐⚑, ✂ + + + ࣾ home ࣾ + ℹ information ℹ + ♡ heart ♡ + ⚙ cog or gear ⚙ + ⚿ key ⚿ + ✉ envelope ✉ + ✎ pencil ✎ + ✓ check or tick mark ✓ + ❌ cross mark ❌ + 💬 speech balloon 💬 diff --git a/vim.md b/vim.md new file mode 100644 index 000000000..bb26bdd4f --- /dev/null +++ b/vim.md @@ -0,0 +1,36 @@ +title: vim +---- + + . - repeat last command + ]p - paste under the current indentation level + + +Motions +------- + + vip - Select paragraph + vipipipip - Select more + + ap - a paragraph + ip - inner paragraph + + {a,i}p - Paragraph + {a,i}w - Word + {a,i}s - Sentence + + ab - A block [( + aB - A block in [{ + at - A XML tag block + a[ ( { < - A [], (), or {} block + a' " ` - A quoted string + + +Example: + + yip - Yank inner paragraph + yap - Yank paragraph (including newline) + +SCSS! +----- + + va{= - reindent block diff --git a/zsh.md b/zsh.md new file mode 100644 index 000000000..a34df6501 --- /dev/null +++ b/zsh.md @@ -0,0 +1,20 @@ +title: ZSH +--- + +### Stuff + + !! Last command (sudo !!) + + !* Last command's parameters (vim !*) + !^ Last command's first parameter + !$ Last command's last parameter + + !?ls Command and params of last `ls` command (sudo !?mv) + !?ls?:* Params of last `ls` command + + *(m0) Last modified today + *(m-4) Last modified <4 days ago + +### Change default shell + + chsh -s `which zsh`