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"
+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"
+for i in /etc/rc.*; do
+ echo $i
+end
+myfunc() { ... }
+fuction myfunc { ... }
+fuction myfunc() { ... }
+myfunc() {
+ local myresult='some value'
+ echo $myresult
+}
+
+result=$(myfunc)
+myfunc() { return 1; }
+$# # Number of arguments
+$* # All args
+$1 # First argument
+# 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
+# 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" =~ "." ]]
+if $(( $a < $b ))
+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
+
+${FOO=word} # : is optional in all of the above
+$((RANDOM%=200)) # Random number 0..200
+$((a + 200)) # $ is optional
+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
+command -V cd #=> "cd is a function/alias/whatever"
+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
+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 'echo Error at about $LINENO' ERR
+or
+ +traperr() {
+ echo "ERROR: ${BASH_SOURCE[1]} at about ${BASH_LINENO[0]}"
+}
+
+set -o errtrace
+trap traperr ERR
+Nice Homebrew packages:
+ +tig - Git "GUI" for the consolemysqlpostgresqlfmdiff - Adaptor to use Apple's FileMerge as diff (git config --global merge-tool fmdiff)cmus - Curses-based music playercclive - Video downloaderNot from brew:
+ +DiffMerge - nice free merge tool for OSXInstall a more-recent version that supports tmux -C
+ +brew install https://github.com/adamv/homebrew-alt/raw/master/other/tmux-iterm2.rb
+Install the wrapper for stuff to enable OSX clipboard to work
+ +brew install reattach-to-user-namespace --wrap-pbcopy-and-pbpaste
+Make sure that your VIM alias uses it
+ +alias vim="reattach-to-user-namespace /Application/MacVim/Contents/MacOS/Vim"
+visit articles_path
+click 'Link Text'
+click_button
+click_link
+attach_file
+fill_in 'First Name', :with => 'John'
+check
+uncheck
+choose
+select
+unselect
+Takes a CSS selector (or XPath if you're into that). +Translates nicely into RSpec matchers:
+ +page.should have_no_button("Save")
+Use should haveno* versions with RSpec matchers b/c +should_not doesn't wait for a timeout from the driver
+ +page.has_content?
+page.has_css?
+page.has_no_content?
+page.has_no_css?
+page.has_no_xpath?
+page.has_xpath?
+page.has_link?
+page.has_no_link?
+page.has_button?("Update")
+page.has_no_button?
+page.has_field?
+page.has_no_field?
+page.has_checked_field?
+page.has_unchecked_field?
+page.has_no_table?
+page.has_table?
+page.has_select?
+page.has_no_select?
+find
+find_button
+find_by_id
+find_field
+find_link
+locate
+within
+within_fieldset
+within_table
+within_frame
+scope_to
+execute_script
+evaluate_script
+save_and_open_page
+all
+body
+current_url
+drag
+field_labeled
+source
+wait_until
+current_path
+E R T : Move/rotate/scale
+P : snapping
+Devise is a flexible authentication +gem.
+ +Rails 3: Add the following to your Gemfile
+ +gem "devise"
+gem "hpricot"
+gem "ruby_parser"
+Install devise in your project
+ +$ rails generate devise:install
+Generate devise for your model
+ +$ rails generate devise MODEL
+$ rake db:migrate
+(Optional) Generate devise views
+ +$ rails generate devise:views
+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)
+before_filter :authenticate_user!
+class User < ActiveRecord::Base
+ devise :database_authenticatable,
+ :registerable,
+ :confirmable,
+ :recoverable,
+ :rememberable,
+ :trackable,
+ :validatable
+end
+create_table :users do |t|
+ t.database_authenticatable
+ t.confirmable
+ t.recoverable
+ t.rememberable
+ t.trackable
+ t.timestamps
+end
+unauthenticated do
+ root :to => 'home#index'
+end
+
+authenticated do
+ root :to => 'dashboard#index'
+end
+as :user do
+ get 'sign_in', :to => 'devise/sessions#new'
+end
+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"}
+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' }
+sign_in @user
+sign_out @user
+max heart rate = (220 - age)
+"The target heart rate method is a simple formula: take 220 and minus your age. +Then take that number and multiply it by .75 - .85, which will give you your +percentages of 75% -- 85% of your Max. HR."
+ +http://www.bodybuilding.com/fun/mike1.htm
+ +http://corw.in/warmup/
+ + + + + + + + diff --git a/_output/heroku.html b/_output/heroku.html new file mode 100644 index 000000000..12ebf4b20 --- /dev/null +++ b/_output/heroku.html @@ -0,0 +1,49 @@ + + + + +heroku create sushi
+heroku addon:add custom_domains
+
+heroku domains:add example.com
+heroku domains:add www.example.com
+# Root domains
+mydomain.com. (A)
+ => 75.101.163.44
+ => 75.101.145.87
+ => 174.129.212.2
+
+# Subdomains
+.mydomain.com. (CNAME)
+ => proxy.heroku.com
+heroku addons:add wildcard_domains
+
+*.yourdomain.com => heroku.com
+.class {
+}
+font-family: Arial;
+font-size: 12pt;
+line-height: 150%;
+color: #aa3322;
+// Bold
+font-weight: bold;
+font-weight: normal;
+
+// Italic
+font-style: italic;
+font-style: normal;
+
+// Underline
+text-decoration: underline;
+text-decoration: none;
+<!--[if lt IE 7 ]> <html class="ie6"> <![endif]-->
+<!--[if IE 7 ]> <html class="ie7"> <![endif]-->
+<!--[if IE 8 ]> <html class="ie8"> <![endif]-->
+<!--[if IE 9 ]> <html class="ie9"> <![endif]-->
+<!--[if (gt IE 9)|!(IE)]><!--> <html class=""> <!--<![endif]-->
+<meta name="viewport" content="width=320; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
+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
+// $(":inline")
+$.expr[':'].inline = function(a) {
+ return $(a).css('display') === 'inline';
+};
+$.cssHooks.someCSSProp = {
+ get: function(elem, computed, extra) {
+ },
+ set: function(elem, value) {
+ }
+};
+
+// Disable "px"
+$.cssNumber["someCSSProp"] = true;
+$.fn.step.someWhatever = function(fx) {
+ // ...
+}
+For support for tap, swipe, swipeLeft, et al, use
+jquery.mobile.event.js. Be sure to set $.support.touch first.
To get $.support.touch (and family), use this from
+jquery.mobile.support.js:
$.extend($.support, {
+ orientation: "orientation" in window && "onorientationchange" in window,
+ touch: "ontouchend" in document,
+ cssTransitions: "WebKitTransitionEvent" in window,
+ pushState: "pushState" in history && "replaceState" in history,
+ mediaquery: $.mobile.media( "only all" ),
+ cssPseudoElement: !!propExists( "content" ),
+ touchOverflow: !!propExists( "overflowScrolling" ),
+ boxShadow: !!propExists( "boxShadow" ) && !bb,
+ scrollTop: ( "pageXOffset" in window || "scrollTop" in document.documentElement || "scrollTop" in fakeBody[ 0 ] ) && !webos && !operamini,
+ dynamicBaseTag: baseTagTest()
+});
+$ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp
+prefix ?= /usr/local
+ gitdir ?= $(shell git --exec-path)
+ gitver ?= $(word 3,$(shell git --version))
+ $(SOURCE:.cpp=.o)
+ $(patsubst %.cpp, %.c, $(SOURCES))
+ %.o: %.c
+ ffmpeg -i $< > $@ # Input and output
+ foo $^
+ default:
+ @echo "hello."
+ @false
+# h1
+### h3
+
+[link](http://google.com)
+
+[link][google]
+[google]: http://google.com
+
+
+/System/Library/LaunchAgents/
+/System/Library/LaunchDaemons/
+/Library/LaunchAgents/
+/Library/LaunchDaemons/
+defaults write com.apple.finder CreateDesktop -bool false
+killall Finder
+defaults write com.apple.dock single-app -bool TRUE
+killall Dock
+
+defaults delete com.apple.dock single-app
+killall Dock
+server {
+ listen 80;
+ server_name www.yourhost.com;
+ root /somewhere/public; # <--- be sure to point to 'public'!
+ passenger_enabled on;
+ autoindex on; # Show directory listings
+}
+$ rails g model User
+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
+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'
+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}"
+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
+$ rake db:migrate
+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)
+create_table
+change_table
+drop_table
+add_column
+change_column
+rename_column
+remove_column
+add_index
+remove_index
+t.references :category # kinda same as t.integer :category_id
+
+# Can have different types
+t.references :category, polymorphic: true
+$ 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
+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
+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
+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/activerecordvalidations_callbacks.html
+ +# Updates person id 15
+Person.update 15, name: "John", age: 24
+Person.update [1,2], [{name: "John"}, {name: "foo"}]
+Student.joins(:schools).where(:schools => { :type => 'public' })
+Student.joins(:schools).where('schools.type' => 'public' )
+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
+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
+after_create
+after_initialize
+after_validation
+after_save
+after_commit
+Generate a Rails Engine plugin:
+ +rails plugin new myplugin --skip-bundle --full
+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
+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
+# 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
+Rails::Generators::Base.$ rails generate generator initializer
+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
+class InitializerGenerator < Rails::Generators::NamedBase
+ #
+ source_root File.expand_path("../templates", __FILE__)
+ desc "Description goes here."
+end
+When invoking rails g XXX:
When invoking rails g XXX:YYY:
# 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
+ActionDispatch::Routing::Mapper +(See included modules)
+ +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
+resource :coder
+
+# CodersController:
+# new => GET /coder/new
+# create => POST /coder/new
+# show => GET /coder
+# edit => GET /coder/edit
+# update => PUT /coder
+# delete => DELETE /coder
+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' }
+match '/stories' => redirect('/posts')
+match '/stories/:name' => redirect('/posts/%{name}')
+# logout_path
+match 'exit' => 'sessions#destroy', as: :logout
+match '/', constraints: { subdomain: 'admin' }
+
+# admin.site.com/admin/photos
+namespace 'admin' do
+ constraints subdomain: 'admin' do
+ resources :photos
+ end
+end
+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
+scope 'admin', constraints: { subdomain: 'admin' } do
+ resources ...
+end
+# Yes, Sprockets is middleware
+match '/application.js' => Sprockets
+projects_path # /projects
+projects_url # http://site.com/projects
+# 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)))'
+class ApplicationController
+ helper_method :logged_in?
+
+ def logged_in?
+ "Something"
+ end
+end
+stylesheet_link_tag :monkey
+javascript_link_tag :monkey
+# 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
+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
+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
+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
+session[:what]
+flash[:notice] = "Your session expired"
+params[:id]
+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
+redirect_to action: 'show', id: @entry.id
+redirect_to root_url # a path
+render nothing: true
+render template: 'products/show'
+render action: 'something' # same as `file: 'my/something'`
+ # Renders the template only, does not execute
+ # the action
+# 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' %>
+# 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/_output/rst.html b/_output/rst.html new file mode 100644 index 000000000..8ee7e31b3 --- /dev/null +++ b/_output/rst.html @@ -0,0 +1,70 @@ + + + + +.. @theme 2010
+.. include:: ../themes/2010/common.rst
+.. contents::
+.. |substitute| replace:: replacement name
+Heading
+=======
+
+.. class:: brief
+
+Hello there. |substitute| **This is bold**
+
+
+ - Bullet list with a link_ (or `link with words`_)
+ - Yes
+
+.. _link: http://link.org
+.. raw:: pdf
+
+ PageBreak oneColumn
+Internal link target_.
+
+.. _target:
+
+This is where _target will end up in.
+.. 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`
+
+ 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')
+
++Without a filename argument, the sqlite adapter will setup a new sqlite +database in memory. +
++ DB = Sequel.sqlite ++
+ require 'logger' + DB = Sequel.sqlite '', :loggers => [Logger.new($stdout)] + # or + DB.loggers << Logger.new(...) ++
+ 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
+
++ dataset = DB[:items] + dataset = DB.from(:items) ++
+ dataset = DB[:managers].where(:salary => 5000..10000).order(:name, :department) ++
+ dataset.insert(:name => 'Sharon', :grade => 50) ++
+ dataset.each{|r| p r}
+ dataset.all # => [{...}, {...}, ...]
+ dataset.first # => {...}
+
+
+ dataset.filter(~:active).delete
+ dataset.filter('price < ?', 100).update(:active => true)
+
+
+ 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
+
+
+ dataset.filter(:name => 'abc')
+ dataset.filter('name = ?', 'abc')
+
+
+ dataset.filter{value > 100}
+ dataset.exclude{value <= 100}
+
+
+ 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))
+
+
+ dataset.where('price > (SELECT avg(price) + 100 FROM table)')
+ dataset.filter{price > dataset.select(avg(price) + 100)}
+
+
+ DB[:items].filter(:name.like('AL%'))
+ DB[:items].filter(:name => /^AL/)
+
+
+ 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))
+
+
+ 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))
+
++ dataset.order(:kind) + dataset.reverse_order(:kind) + dataset.order(:kind.desc, :name) ++
+ dataset.limit(30) # LIMIT 30 + dataset.limit(30, 10) # LIMIT 30 OFFSET 10 ++
+ 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 ++
+ +
++ 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)) ++
+ 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'))
+
++ 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 ++
+ 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 ++
+ 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
+
+
+ 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, ...}], ...]
+
++ 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 ++
+ 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
+
+
+ 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 ++
+ 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 ++
+ 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! ++
+ before_create + after_create + + before_validation + after_validation + before_save + before_update + UPDATE QUERY + after_update + after_save + + before_destroy + DELETE QUERY + after_destroy ++
+ 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
+
++ Category.create id: 'travel' # error + Category.unrestrict_primary_key + Category.create id: 'travel' # ok ++ + + + + + + + diff --git a/_output/style.css b/_output/style.css new file mode 100644 index 000000000..4a0b74bf0 --- /dev/null +++ b/_output/style.css @@ -0,0 +1 @@ +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;-moz-border-radius:2px;-webkit-border-radius:2px;-o-border-radius:2px;-ms-border-radius:2px;-khtml-border-radius:2px;border-radius:2px;-moz-box-shadow:0 2px 3px rgba(0,0,0,0.2);-webkit-box-shadow:0 2px 3px rgba(0,0,0,0.2);-o-box-shadow:0 2px 3px rgba(0,0,0,0.2);box-shadow:0 2px 3px rgba(0,0,0,0.2);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;-moz-box-shadow:inset 0 0 5px rgba(0,0,0,0.1);-webkit-box-shadow:inset 0 0 5px rgba(0,0,0,0.1);-o-box-shadow:inset 0 0 5px rgba(0,0,0,0.1);box-shadow:inset 0 0 5px rgba(0,0,0,0.1);overflow-x:auto;margin-left:-20px;margin-right:-20px}h2 + pre,h3 + pre{border-top:solid 2px #c0c0dd;margin-top:-16px}ul.pages,ul.pages li{margin:0;padding:0;list-style-type:none}ul.pages{overflow:hidden;margin:40px 0}ul.pages li{width:20%;float:left}ul.pages a{display:block;text-decoration:none;padding:2px 5px;-moz-border-radius:3px;-webkit-border-radius:3px;-o-border-radius:3px;-ms-border-radius:3px;-khtml-border-radius:3px;border-radius:3px}ul.pages a:hover{background:#eee}ul.pages li:first-letter{text-transform:uppercase}.str{color:#080}.kwd{color:#008}.com{color:#7bd;text-shadow:1px 1px 0 rgba(255,255,255,0.3)}.typ{color:#606}.lit{color:#066}.pun{color:#660}.pln{color:#000}.tag{color:#008}.atn{color:#606}.atv{color:#080}.dec{color:#606}ol.linenums{margin-top:0;margin-bottom:0}li.L0,li.L1,li.L2,li.L3,li.L5,li.L6,li.L7,li.L8{list-style-type:none}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/_output/textile.html b/_output/textile.html new file mode 100644 index 000000000..be591472a --- /dev/null +++ b/_output/textile.html @@ -0,0 +1,83 @@ + + + + +
<pre>
+I am <b>very serious.</b> -- this will get escaped.
+</pre>
+Line breaks.
+Just break the lines.
+one(TM), two(R), three(C).
+_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!
+--
+h1. Header 1
+
+h2. Header 2
+
+bq. Blockquote
+
+p(classname). Class.
+
+p(#id). ID.
+## ordered list
+
+* unordered list
+Footnotes[1].
+
+fn1. Something.
+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
+^N - Next on parent view^P - Previous on parent viewm - 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 chunkC - CommitM - MergeH - Branch view
i - Change sort header$ tmux
+ -u # UTF8 mode
+ -S ~/.tmux.socket
+
+$ tmux attach
+C-b ?
+C-b [ # Enter scroll mode then press up and down
+C-b [ # 1. Enter scroll mode first.
+Space # 2. Start selecting and move around.
+Enter # 3. Press enter to copy.
+C-b ] # Paste
+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
+C-b c # New window
+C-b 1 # Go to window 1
+C-b d # detatch
+C-b ( ) # Switch through sessions
+$ tmux attach
+C-b t # Time
+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
+/var/cache/apt/archives
+. - repeat last command
+]p - paste under the current indentation level
+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)
+va{= - reindent block
+!! Last command (sudo !!)
+
+!* Last command's parameters (vim !*)
+!^ Last command's first parameter
+!$ Last command's last parameter
+
+!?ls<tab> Command and params of last `ls` command (sudo !?mv<tab>)
+!?ls?:*<tab> Params of last `ls` command
+
+*(m0) Last modified today
+*(m-4) Last modified <4 days ago
+chsh -s `which zsh`
+