This episode continues on the Twitter Bootstrap project showing how to display flash messages, add form validations with SimpleForm, customize layout with variables, and switch to using Sass. (12 minutes)

Twitter Bootstrap can help make beautiful web apps quickly by providing you with useful CSS and JavaScript. Here you will learn how to include it into Rails with the twitter-bootstrap-rails gem. (10 minutes)

MiniTest is a fast and lightweight testing library. Here you will learn how to use it in a Rails app for model, helper, and integration testing. The Turn gem is also demonstrated for prettier test output. (15 minutes)

ActiveAttr provides what Active Model left out. If you need to create a table-less model with features similar to Active Record, watch this episode. (5 minutes)

In the second part of this two part series on Backbone.js, we finish up the Raffler application. Included is how to create entries through a form, respond to events, extract sub-views, pre-populate records, visit routes, and more. (24 minutes)

There are a variety of ways to pass variables from a Rails application to JavaScript. Here I show three techniques: a script tag, a data attribute, and the Gon gem. (6 minutes)

In this first part of a two part series you will learn basic Backbone concepts including models, collections, routers, views and events. The backbone-on-rails gem is used for Rails integration with the asset pipeline. (18 minutes)

RABL - Ruby API Builder Language - provides a DSL for generating JSON or XML responses in a Ruby application. Learn how to share and configure complex JSON data in this episode. (8 minutes)

Jbuilder provides a DSL for generating JSON. It includes a template engine which allows you to create complex responses with helpers and conditions. (8 minutes)

Private Pub makes it easier than ever to publish and subscribe to real-time events in a Rails app. You can use publish_to with a block of JavaScript or supply a hash for use with JSON. (7 minutes)