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git clone --depth 1 git://github.com/emberjs/data
cd data
bundle
bundle exec rake dist
copy dist/ember-data-min.js file to your project

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{{#each person in list}}
  <li>{{person.name}}</li>
{{else}}
  There are none.
{{/each}}

{{#each person in list}}
  {{#with person}}
    <li>{{name}}</li>
  {{/with}}

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<script type="text/x-handlebars" data-template-name="application">
  <nav>
    <ul>
      <li>{{#linkTo "index"}}Home{{/linkTo}}</li>
      <li>{{#linkTo "about"}}About{{/linkTo}}
        <ul>
          <li>{{#linkTo "about.team"}}Team{{/linkTo}}</li>
        </ul>
      </li>
      <li>{{#linkTo "contact"}}Contact{{/linkTo}}</li>

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_

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// controller
@tables = ActiveRecord::Base.connection.tables.sort

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gem 'prawn'

// Recipie Model
def shopping_list_pdf
  shopping_list = ingredients.map do |ingredient|
      [ingredient.name, ingredient.quantity]
  end
  
  pdf = Prawn::Document.new
  pdf.table([[ "Item", "Quantity" ], *shopping_list]) do |t|

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// album.rb Model
class Album < ActiveRecord::Base
  def copy
    self.class.new.tap do |new_album| 
      attributes.each do |key, value|
        new_album.send("#{key}=", value) unless key == "id" 
      end
      new_album.save
    end 
  end

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// Structure
rails g scaffold Article name:string approved:boolean

// routes
resources :articles do
  get 'toggle_approve', :on => :member
end

// Article Helper
def approve_link_text(approvable)

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validates_format_of :ssn,
  :with => /^[\d]{3}-[\d]{2}-[\d]{4}$/, 
  :message => "must be of format ###-##-####"
  
====================================================
// lib/custom_validations.rb

module CustomValidations
  def validates_ssn(*attr_names)
    attr_names.each do |attr_name| validates_format_of attr_name,
      :with => /^[\d]{3}-[\d]{2}-[\d]{4}$/,
      :message => "must be of format ###-##-####"
    end 
  end
end
ActiveRecord::Base.extend(CustomValidations)

// config/environment.rb
require 'custom_validations'

// model/student.rb

class Student < ActiveRecord::Base 
  validates_presence_of :name 
  validates_ssn :ssn
end

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  $('#search_fromDate').datepicker(
    {
      dateFormat: 'dd/mm/yy',
      onClose: function( selectedDate ){
        $( "#search_toDate" ).datepicker( "option", "minDate", selectedDate );
        $('#search_fromDate').blur(); //or .focusout();
      }
    }
  );