By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce top of the range, beautiful-looking internet functions fast. you consider growing the applying, and Rails looks after the main points. Tens of millions of builders have used this award-winning ebook to profit Rails. it is a huge, far-reaching educational and reference that is instructed through the Rails middle group. if you are new to Rails, you will get step by step advice. if you are an skilled developer, this ebook offers you the great, insider info you wish. Rails has advanced through the years, and this booklet has developed besides it. We nonetheless begin with a step by step walkthrough of creating a true software, and in-depth chapters examine the integrated Rails positive aspects. This variation now offers new Ruby and Rails clients additional info at the Ruby language and takes extra time to give an explanation for key suggestions all through. most sensible practices on how one can practice Rails proceed to alter, and this version retains up. Examples use cookie sponsored classes, HTTP authentication, and lively Record-based varieties, and the publication focuses all through at the correct approach to use Rails. also, this variation now displays Ruby 1.9, a brand new free up of Ruby with enormous sensible and function advancements.
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Additional resources for Agile Web Development with Rails 3.1 (Pragmatic Programmers)
In this way, Rails encourages customer collaboration. When customers see just how quickly a Rails project can respond to change, they start to trust that the team can deliver what’s required, not just what has been requested. ” sessions. That’s all tied to the idea of being able to respond to change. The strong, almost obsessive, way that Rails honors the DRY principle means that changes to Rails applications impact a lot less code than the same changes would in other frameworks. And since Rails applications are written in Ruby, where concepts can be expressed accurately and concisely, changes tend to be localized and easy to write.
This book is licensed to the individual who purchased it. We don't copy-protect it because that would limit your ability to use it for your own purposes. Please don't break this trust-don't allow others to use your copy of the book. Thanks. - Dave & Andy. 1 Version of This Book Acknowledgments Introduction Getting Started Installing Rails Instant Gratification The Architecture of Rails Applications Introduction to Ruby Building an Application The Depot Application Task A: Creating the Application Task B: Validation and Unit Testing Task C: Catalog Display Task D: Cart Creation Task E: A Smarter Cart Task F: Add a Dash of Ajax Task G: Check Out!
That directory contains the template files for the controller’s views. In our case, we created a controller named say, so the views will be in the directory app/views/say. By default, Rails looks for templates in a file with the same name as the action it’s handling. erb in the directory app/views/say. erb? erb, and refresh your browser window. You should see it display our friendly greeting: In total, we’ve looked at two files in our Rails application tree. We looked at the controller, and we modified a template to display a page in the browser.
Agile Web Development with Rails 3.1 (Pragmatic Programmers) by Sam Ruby, Dave Thomas, David Heinemeier Hansson