Ruby on Rails Tutorial Learn Web Development with Rails (2nd edition)

The Rails Tutorial screencasts contain dozens of tips and tricks to help you go beyond the Rails Tutorial book, including debugging hints, test-driven development techniques, and solutions to many of the book’s exercises (view a sample video or some free screencasts). And though the screencasts are carefully edited, I’ve left in some of the problems I encountered along the way, so that you can learn how to recover from the inevitable application errors—and see that even experts sometimes make mistakes.New in the 2nd EditionFully updated for Rails 3.2 and Ruby 1.9All-new design using Twitter's BootstrapCoverage of the new asset pipeline, including Sprockets & SassBehavior-driven development (BDD) with Capybara & RSpecBetter automated testing with Guard & SporkRoll your own authentication with has_secure_passwordAn introduction to Gherkin & Cucumber