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/ app/views/posts/_form.html.haml
= form_for @post, :url => collection_url do |f|
  %fieldset
    %legend New Post
    %ol
      %li= f.text_field :title
      %li= f.text_field :tag_list
  %fieldset
    %ol
      %li= f.text_area :body

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>> @post = Post.find(BSON::ObjectId("47cc67093475061e3d95369d"))
=> #<Post _id: 47cc67093475061e3d95369d, slug: "life-the-universe-and-everything">
>> post_path(@post)
=> /posts/47cc67093475061e3d95369d
>> post_path(@post, :slug => @post.slug)
=> /posts/47cc67093475061e3d95369d/life-the-universe-and-everything

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$ rake routes
    posts GET    /posts(.:format)                  {:action=>"index", :controller=>"posts"}
    posts POST   /posts(.:format)                  {:action=>"create", :controller=>"posts"}
 new_post GET    /posts/new(.:format)              {:action=>"new", :controller=>"posts"}
edit_post GET    /posts/:id(/:slug)/edit(.:format) {:action=>"edit", :controller=>"posts"}
     post GET    /posts/:id(/:slug)(.:format)      {:action=>"show", :controller=>"posts"}
     post PUT    /posts/:id(/:slug)(.:format)      {:action=>"update", :controller=>"posts"}
     post DELETE /posts/:id(/:slug)(.:format)      {:action=>"destroy", :controller=>"posts"}

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# config/routes.rb
Example::Application.routes.draw do
  resources :posts, :slug => true
end

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# config/initializers/routes_with_slugs.rb
require 'action_dispatch'

module ActionDispatch
  module Routing
    class Mapper
      module Resources
        RESOURCE_OPTIONS << :slug
        
        class Resource

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/ app/views/layouts/application.html.haml
%html{ :data => { :web_property_id => ENV['GOOGLE_WEB_PROPERTY_ID'] } }
  %head
    %title My Great Site
    = stylesheet_link_tag 'screen.css', :media => 'screen, projection'
    = javascript_include_tag :defaults
  %body
    #content= yield

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// public/javascripts/application.js
var _gaq = _gaq || [];
    
$(document).ready(function() {
  var web_property_id = $('html').attr('data-web_property_id');

  if ((typeof web_property_id) != 'undefined') {
    _gaq.push(['_setAccount', web_property_id]);
    _gaq.push(['_trackPageview']);

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/ app/views/layouts/application.html.haml
%html{ :data => { :web_property_id => 'UA-XXXXXXX-1' } }
  %head
    %title My Great Site
    = stylesheet_link_tag 'screen.css', :media => 'screen, projection'
    = javascript_include_tag :defaults
  %body
    #content= yield

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// public/javascripts/application.js
var _gaq = _gaq || [];

$(document).ready(function() {
  _gaq.push(['_setAccount', 'UA-XXXXXXX-1']);
  _gaq.push(['_trackPageview']);
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);

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/ app/views/layouts/application.html.haml
%html
  %head
    %title My Great Site
    = stylesheet_link_tag 'screen.css', :media => 'screen, projection'
    = javascript_include_tag :defaults
  %body
    #content= yield
    :javascript
      var _gaq = _gaq || [];