Read e-book online Agile Web Development with Rails (4th edition) Beta 10 PDF

By Sam Ruby, Dave Thomas, David Heinemeier Hansson

ISBN-10: 1934356549

ISBN-13: 9781934356548

Ruby on Rails is helping you produce top of the range, beautiful-looking internet purposes quick. you think about growing the appliance, and Rails looks after the main points. Tens of millions of builders have used this award-winning e-book to benefit Rails. it is a vast, far-reaching instructional and reference that is steered by way of the Rails middle crew. in case you are new to Rails, you will get step by step tips. in case you are an skilled developer, this publication provides you with the excellent, insider details you wish. Rails has developed through the years, and this booklet has developed in addition to it. We nonetheless commence with a step by step walkthrough of establishing a true software, and in-depth chapters examine the integrated Rails good points. This version now offers new Ruby and Rails clients additional info at the Ruby language and takes extra time to provide an explanation for key innovations all through. top practices on easy methods to practice Rails proceed to alter, and this version retains up. Examples use cookie subsidized periods, HTTP authentication, and energetic Record-based kinds, and the booklet focuses all through at the correct strategy to use Rails. also, this variation now displays Ruby 1.9, a brand new unencumber of Ruby with titanic sensible and function advancements.

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In the same way that we used the rails command to create a new Rails application, we can also use a generator script to create a new controller for our project. This command is called rails generate. rb The rails generate command logs the files and directories it examines, noting when it adds new Ruby scripts or directories to your application. erb file. The first source file we’ll be looking at is the controller. rb. rb class SayController < ApplicationController def hello end def goodbye end end Pretty minimal, eh?

If you look at the window where you started the server, you’ll see tracing showing you started the application. 0 printing, October 28, 2010) 38 H ELLO , R AILS ! 1: Newly created Rails application console window. Later, as we write application code and run it via our browser, we’ll be able to use this console window to trace the incoming requests. When the time comes to shut down your application, you can press Ctrl-C in this window to stop WEBrick. ) At this point, we have a new application running, but it has none of our code in it.

5 Setting Up Your Development Environment The day-to-day business of writing Rails programs is pretty straightforward. Everyone works differently; here’s how we work. The Command Line We do a lot of work at the command line. Although there are an increasing number of GUI tools that help generate and manage a Rails application, we find the command line is still the most powerful place to be. It’s worth spending a little while getting familiar with the command line on your operating system. 0 printing, October 28, 2010) 31 S ETTING U P Y OUR D EVELOPMENT E NVIRONMENT Where’s My IDE?

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Agile Web Development with Rails (4th edition) Beta 10 version by Sam Ruby, Dave Thomas, David Heinemeier Hansson

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