josevalim

# In your test_helper.rb
class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || retrieve_connection
  end
end

shripadk

How to setup Heroku Hostname SSL with GoDaddy SSL Certificate and Zerigo DNS
Heroku recently added an exciting new 'Hostname SSL' option.  This option offers the broad compatibility of IP-based SSL, but at 1/5 the price ($20 / month at the time of this writing).  
 
The following tutorial explains how to use Heroku's new 'Hostname SSL' option on your Heroku project.  Before we begin, let's list what we're using here:

    * Heroku Hostname SSL
    * GoDaddy Standard SSL Certificate
    * Zerigo DNS

jwo

class Api::RegistrationsController < Api::BaseController
  
  respond_to :json
  def create

    user = User.new(params[:user])
    if user.save
      render :json=> user.as_json(:auth_token=>user.authentication_token, :email=>user.email), :status=>201
      return
    else

dansimco

require "rubygems"
require 'sinatra'
require "aws/s3"

get '/' do
  return %Q{
    <form action="upload" method="post" accept-charset="utf-8" enctype="multipart/form-data">
      <div>
        <input type="file" name="file" value="" id="file">
      </div>

sgmurphy

/**
 * Create a web friendly URL slug from a string.
 *
 * Requires XRegExp (http://xregexp.com) with unicode add-ons for UTF-8 support.
 *
 * Although supported, transliteration is discouraged because
 *     1) most web browsers support UTF-8 characters in URLs
 *     2) transliteration causes a loss of information
 *
 * @author Sean Murphy <sean@iamseanmurphy.com>

stereoscott

module YourApp
  class Application < Rails::Application
    # ...
    config.middleware.insert_before "Rack::Cache", "SubdomainRedirect"
    # ...
  end
end

ivanvanderbyl

App.AccountEditRoute = Ember.Route.extend({
  setupController: function(controller) {
    controller.set('content', this.get('currentUser'));
  }
});

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

thil

require 'active_record'
require 'fileutils'

namespace :db do

  desc "loads database configuration in for other tasks to run"
  task :load_config do
    ActiveRecord::Base.configurations = db_conf
    ActiveRecord::Base.establish_connection db_conf
  end

ssoroka

require 'test_helper'

class ARFactory
  def self.new(table_name)
    Class.new(ActiveRecord::Base) do
      self.table_name = table_name
    end
  end
end