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This example shows how to setup an environment running Rails 3 beta under 1.9.2-head with a 'rails3' gem set.

∴ rvm update --head
# ((Open a new shell)) or do 'rvm reload'

# If you do not already have the ruby interpreter installed, install it:
∴ rvm install 1.9.2-head

# Switch to 1.9.2-head and gemset rails3, create if it doesn't exist. 
∴ rvm --create use 1.9.2-head@rails3

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# checkout: http://github.com/igrigorik/async-rails/

From bb2a78858cffa7c6937642986e9aca1a4f862c0d Mon Sep 17 00:00:00 2001
From: Ilya Grigorik <[email protected]>
Date: Thu, 10 Jun 2010 00:46:48 -0400
Subject: [PATCH] async rails3

---
 Gemfile                               |    6 ++++++
 app/controllers/widgets_controller.rb |    6 ++++++

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diff --git a/lib/integrity/builder.rb b/lib/integrity/builder.rb
index 6968d9e..691ff70 100644
--- a/lib/integrity/builder.rb
+++ b/lib/integrity/builder.rb
@@ -46,7 +46,8 @@ module Integrity
     end
 
     def run
-      cmd = "(cd #{repo.directory} && #{@build.project.command} 2>&1)"
+      cmd = "(cd #{repo.directory} && RUBYOPT=#{pre_bundler_rubyopt} PATH=#{pre_bundler_path} && #{@build.project.command} 2>&1)"

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require 'rubygems'
require 'eventmachine'
require 'em-websocket'
require 'json'

class Connection
  attr_accessor :socket, :user_id
  
  def initialize(socket, user_id)
    @socket = socket

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#!/usr/bin/env ruby

require 'benchmark'
require 'rubygems'
require 'nokogiri'
require 'yajl'

require 'active_support'
ActiveSupport::XmlMini.backend='Nokogiri'
require 'active_resource'

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# http://snippets.aktagon.com/snippets/445-How-to-create-a-JSONP-cross-domain-webservice-with-Sinatra-and-Ruby

require 'sinatra/base'
require 'json/pure'

module JSONPatra
  class App < Sinatra::Base
    get "/" do
      callback = params['callback']
      json = { :hello => "world!" }.to_json

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class SampleApp < Padrino::Application
  register Padrino::Warden

  Warden::Strategies.add(:password) do
    def valid?
      params["email"] || params["password"]
    end

    def authenticate!
      u = Account.authenticate(params["email"], params["password"])

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// Create a simple top to bottom linear gradient with a background-color backup
// The first argument, $color will be output as background-color: $color
//
// This yields a gradient that is 5% brighter on the top and 5% darker on the bottom 
//
//     +gradient-bg(#777)
//
// This yeilds a gradient where the bright and dark colors are shifted 10% from the original color.
// If you don't specify a third argument it will assign this value for the darkness too, keeping the gradient even.
//

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#
# Wind Wordpress Importer
#
# To install this plugin do you need copy the file to Wind plugins directory.
# An admin widget will be crated to import WordPress eXtended RSS file.
#
# This plugin use hurricane gem [http://github.com/danieltamiosso/hurricane],
# [gem install hurricane] to install it.
#

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mkdir wpgskeeter
cd wpgskeeter
git init
heroku create wpgskeeter
git add .
git commit -m 'Initial commit'

Create a .gems file:
sinatra
nokogiri