Contents

Start Here

• Getting Started with Rails

Models

• Rails Database Migrations
• Active Record Validations and Callbacks
• Active Record Associations
• Active Record Query Interface

Views

• Layouts and Rendering in Rails
• Action View Form Helpers

Controllers

• Action Controller Overview
• Rails Routing from the Outside In

Digging Deeper

• Active Support Core Extensions
• Rails Internationalization API
• Securing Rails Applications
• Debugging Rails Applications
• Performance Testing Rails Applications
• Configuring Rails Applications
• Rails Command Line Tools and Rake Tasks
• Asset Pipeline

Extending Rails

• Rails on Rack
• Creating and Customizing Rails Generators

Contributing to Ruby on Rails

• Contributing to Ruby on Rails
• API Documentation Guidelines
• Ruby on Rails Guides Guidelines

Release Notes

• Ruby on Rails 3.2 Release Notes
• Ruby on Rails 3.1 Release Notes
• Ruby on Rails 3.0 Release Notes
• Ruby on Rails 2.3 Release Notes
• Ruby on Rails 2.2 Release Notes