Get Agile Web Development with Rails (4th edition) Beta 13 PDF

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By Sam Ruby, Dave Thomas, David Heinemeier Hansson

ISBN-10: 1934356549

ISBN-13: 9781934356548

Ruby on Rails is helping you produce top quality, beautiful-looking net purposes fast. you think about developing the appliance, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to benefit Rails. it is a vast, far-reaching educational and reference that is prompt via the Rails middle crew. in case you are new to Rails, you will get step by step assistance. if you are an skilled developer, this publication offers you the excellent, insider info you would like. Rails has advanced through the years, and this e-book has developed in addition to it. We nonetheless commence with a step by step walkthrough of creating a true program, and in-depth chapters examine the integrated Rails positive aspects. This version now supplies new Ruby and Rails clients additional information at the Ruby language and takes extra time to give an explanation for key ideas all through. top practices on how you can observe Rails proceed to alter, and this variation retains up. Examples use cookie sponsored periods, HTTP authentication, and lively Record-based kinds, and the ebook focuses all through at the correct approach to use Rails. also, this version now displays Ruby 1.9, a brand new liberate of Ruby with tremendous sensible and function advancements.

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Indentation is not significant (but two-character indentation is the de facto Ruby standard). Ruby doesn’t use braces to delimit the bodies of compound statements and definitions (such as methods and classes). Instead, you simply finish the body with the keyword end. The keyword return is optional, and if not present, the results of the last expression evaluated will be returned. 2 Data Types While everything in Ruby is an object, some of the data types in Ruby have special syntax support, in particular for defining literal values.

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, February 2, 2011) 32 S ETTING U P Y OUR D EVELOPMENT E NVIRONMENT Where’s My IDE? If you’re coming to Ruby and Rails from languages such as C# and Java, you may be wondering about IDEs. After all, we all know that it’s impossible to code modern applications without at least 100MB of IDE supporting our every keystroke.

Just about the only useful IDE facility that’s missing is refactoring support. for and edit previous commands, and how to complete the names of files and commands as you type. So-called tab completion is standard on Unix shells such as Bash and zsh. It allows you to type the first few characters of a filename, hit Tab , and have the shell look for and complete the name based on matching files. Version Control We keep all our work in a version control system (currently Git). We make a point of checking a new Rails project into Git when we create it and committing changes once we have passed the tests.

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Agile Web Development with Rails (4th edition) Beta 13 (2011) by Sam Ruby, Dave Thomas, David Heinemeier Hansson

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