Using Rails 3, developers can build web applications of exceptional elegance and power. Although its remarkable capabilities have made Ruby on Rails one of the world's most popular web development frameworks, it can be challenging to learn and use. Ruby on Rails™ 3 Tutorial is the solution. Leading Rails developer Michael Hartl teaches Rails 3 by guiding you through the development of your own complete sample application using the latest techniques in Rails web development. Drawing on his experience building RailsSpace, Insoshi, and other sophisticated Rails applications, Hartl illuminates all facets of design and implementation–including powerful new techniques that simplify and accelerate development. You'll find integrated tutorials not only for Rails, but also for the essential Ruby, HTML, CSS, JavaScript, and SQL skills you'll need when developing web applications. Hartl explains how each new technique solves a real-world problem, and he demonstrates this with bite-sized code that's simple enough to understand, yet novel enough to be useful. Whatever your previous web development experience, this book will guide you to true Rails mastery.<br><br>The new edition has been updated to include: * Fully updated for Rails 3.2 and Ruby 1.9 * Coverage of the new asset pipeline * Behavior-driven development (BDD) with Capybara and RSpec * Introduction to Sass (Syntactically Awesome Stylesheets) * Better automated testing with Guard and Spork * Rolling your own authentication system with has_secure_password * An introduction to writing client-friendly tests with Cucumber