Ebook: Rails crash course : a no-nonsense guide to Rails development

This book will teach you to harness Rails for your projects and create Web applications that are fast, stable, and secure. You'll learn how to: craft persistent models with Active Record; build view templates with Embedded Ruby; use Git to roll back to previous versions of your code base; deploy applications to Heroku; implement an authentication system to identify authorized users; write your own automated tests and refactor your code with confidence; maximize performance with the asset pipeline and turbolinks; secure your app against SQL injection and cross-site scripting; set up a server and deploy applications with Capistrano. Each chapter is packed with hands-on examples and exercises to reinforce what you've learned. --  Read more...