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ruby-1.9.3-p392 cumulative performance patch for rbenv

(I guarantee nothing. No warranty I am not responsible blah blah blah. Seems to work great for me so far. Thanks to Tyler Bird who I forked this from.)

This installs a patched ruby 1.9.3-p392 with the railsexpress patchsets: https://github.com/skaes/rvm-patchsets

Requirements

• rbenv
• ruby-build

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str = "some file name.with dots.html.markdown"
extensions = str[/(?:\.\w+)+$/]
extensions ? [ str.sub(extensions, ''), extensions[1..-1].split('.') ] : [ str ]

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# this is the easiest way to use partials from model I could find so far

class Entry < AR::Base
  def as_json
    context = ApplicationController.new.view_context
    context.render('/api/entries/entry.json', entry: self)
  end
end

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class MyClass
  attr_accessor :klass_name

  def initialize(klass_name)
    self.klass_name = klass_name
  end

  def self.name
    to_s
  end

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# Expected h1 title for posts#show is "My Blog :: My Post Title"


# --------------------------------------------------------------
# This was how it worked with `layout nil` in the controller
#

# posts_controller.rb
class PostsController
  layout nil

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= extends :html5_base do
  - append :head do
    meta(http-equiv="X-UA-Compatible" content="IE=edge")
    title Lolwut
    = area :assets do
      = javascript_include_tag 'application'

  = yield
  #fb-root

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my_object.bool_method?? 'yes' : 'no'

# or

my_object.bool_method? ? 'yes' : 'no'

# or

(my_object.bool_method?) ? 'yes' : 'no'

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class Authentication < ActiveRecord::Base
  belongs_to :user
  serialize :info
  serialize :credentials
  
  def update_from_omniauth(omniauth)
    self.uid = omniauth['uid']
    self.provider = omniauth['provider']
    self.info = omniauth['user_info']
    self.credentials = omniauth['credentials']

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!function(){
  
  function fakeLength(fn, length) {
    if (length == fn.length) return fn;
    var fakeArgs = [];
    while(length--) fakeArgs.push('$fakeArg'+length);
    return eval('(function('+fakeArgs.join(',')+'){ return fn.apply(this, arguments); })');
  }
    
  Function.prototype.allRequired = function(){

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// тупо

var wiget = new Class({
  // ...
  getSomething: function(){
    if (this.something) return this.something;
    
    this.something = new Element('div');
    // тут километры кода
    return this.something;