By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce top of the range, beautiful-looking internet functions quick. you consider developing the appliance, and Rails looks after the main points. Tens of millions of builders have used this award-winning e-book to profit Rails. it is a extensive, far-reaching instructional and reference that is suggested via the Rails middle workforce. in case you are new to Rails, you will get step by step assistance. if you are an skilled developer, this publication provide you with the excellent, insider details you wish. Rails has advanced through the years, and this ebook has developed besides it. We nonetheless commence with a step by step walkthrough of establishing a true program, and in-depth chapters examine the integrated Rails positive factors. This variation now supplies new Ruby and Rails clients additional info at the Ruby language and takes extra time to give an explanation for key options all through. top practices on the way to practice Rails proceed to alter, and this variation retains up. Examples use cookie subsidized periods, HTTP authentication, and energetic Record-based types, and the publication focuses all through at the correct solution to use Rails. also, this variation now displays Ruby 1.9, a brand new unencumber of Ruby with titanic practical and function advancements.
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Additional resources for Agile Web Development with Rails (4th edition) Beta 13 (2011)
It handles people-friendly URLs extremely well. • It manages caching, which can give applications orders-of-magnitude performance boosts. • It manages helper modules, which extend the capabilities of the view templates without bulking up their code. • It manages sessions, giving users the impression of ongoing interaction with our applications. 1, Iteration C1: Creating the Catalog Listing, on page 109. There’s a lot to Rails. But before going any further, let’s have a brief refresher— and for some of you, a brief introduction—to the Ruby language.
By following a set of conventions and partitioning your functionality appropriately, you’ll discover that your code becomes easier to work with and your application becomes easier to extend and maintain. Seems like a good trade. If MVC is simply a question of partitioning your code a particular way, you might be wondering why you need a framework such as Ruby on Rails. The answer is straightforward: Rails handles all of the low-level housekeeping for you—all those messy details that take so long to handle by yourself—and lets you concentrate on your application’s core functionality.
SayController is a class that inherits from ApplicationController, so it automatically gets all the default controller behavior. What does this code have to do? 0 printing, February 2, 2011) 41 H ELLO , R AILS ! 2: Template ready for us to fill in action method named hello. To understand why this method is named this way, we need to look at the way Rails handles requests. Rails and Request URLs Like any other web application, a Rails application appears to its users to be associated with a URL.
Agile Web Development with Rails (4th edition) Beta 13 (2011) by Sam Ruby, Dave Thomas, David Heinemeier Hansson