Download Agile Web Development with Rails 3.1 (Pragmatic Programmers) by Sam Ruby, Dave Thomas, David Heinemeier Hansson PDF

By Sam Ruby, Dave Thomas, David Heinemeier Hansson

Ruby on Rails is helping you produce fine quality, beautiful-looking net purposes quick. you consider developing the appliance, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to profit Rails. it is a vast, far-reaching instructional and reference that is urged by means of the Rails center group. in case you are new to Rails, you will get step by step suggestions. in case you are an skilled developer, this booklet provides you with the great, insider details you would like. Rails has advanced through the years, and this booklet has advanced in addition to 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 version now offers new Ruby and Rails clients additional information at the Ruby language and takes extra time to give an explanation for key recommendations all through. top practices on find out how to follow Rails proceed to alter, and this version retains up. Examples use cookie subsidized periods, HTTP authentication, and lively Record-based types, and the e-book focuses all through at the correct technique to use Rails. also, this version now displays Ruby 1.9, a brand new unlock of Ruby with big useful and function advancements.

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Extra resources for Agile Web Development with Rails 3.1 (Pragmatic Programmers)

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We simply have an empty 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. When you point your browser at that URL, you are talking to the application code, which generates a response to you. Let’s try it now. Navigate to the URL http://localhost:3000/say/hello in a browser window. ) You’ll see something that looks like Figure 2, ​Template ready for us to fill in​.

So, this book would not exist without a massive amount of help from the Ruby and Rails communities. To start with, we had a number of incredibly helpful formal reviewers of drafts of this book: Jeremy Anderson, Ken Coar, Jeff Cohen, Joel Clermont, Geoff Drake, Pavan Gorakavi, Michael Jurewitz, Mikel Lindsaar, Paul Rayner, Martijn Reuvers, Doug Rhoten, Gary Sherman, Davanum Srinivas, Stefan Turalski, and José Valim Additionally, each edition of this book has been released as a beta book: early versions were posted as PDFs, and people made comments online.

You’ll see something that looks like Figure 2, ​Template ready for us to fill in​. Figure 2. Template ready for us to fill in Our First Action At this point, we can see not only that have we connected the URL to our controller but also that Rails is pointing the way to our next step, namely, to tell Rails what to display. That’s where views come in. Remember when we ran the script to create the new controller? That command added six files and a new directory to our application. That directory contains the template files for the controller’s views.

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