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Read e-book online Agile Web Development with Rails (4th Edition - final) PDF

By Sam Ruby, Dave Thomas, David Heinemeier Hansson

ISBN-10: 1934356549

ISBN-13: 9781934356548

Ruby on Rails is helping you produce fine quality, beautiful-looking net purposes speedy. you think about developing the applying, and Rails looks after the main points. Tens of millions of builders have used this award-winning booklet to benefit Rails. it is a wide, far-reaching instructional and reference that is instructed through the Rails center crew. if you are new to Rails, you will get step by step advice. if you are an skilled developer, this booklet provide you with the excellent, insider details you wish. Rails has developed through the years, and this booklet has advanced in addition to it. We nonetheless commence with a step by step walkthrough of creating a true software, and in-depth chapters examine the integrated Rails beneficial properties. This variation now offers new Ruby and Rails clients additional information at the Ruby language and takes extra time to give an explanation for key thoughts all through. most sensible practices on tips to follow Rails proceed to alter, and this variation retains up. Examples use cookie subsidized 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 liberate of Ruby with big sensible and function advancements.

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Extra info for Agile Web Development with Rails (4th Edition - final)

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0 printing, March 2011) 45 L INKING P AGES T OGETHER Let’s stop for a minute to consider how we generated the link. ", say_goodbye_path First, link_to is a method call. ) If you come from a language such as Java, you might be surprised that Ruby doesn’t insist on parentheses around method parameters. You can always add them if you like. The say_goodbye_path is a precomputed value that Rails makes available to application views. It evaluates to the /say/goodbye path. Over time you will see that Rails provides the ability to name all the routes that you will be using in your application.

Com/komodo-ide) is ActiveState’s IDE for dynamic languages, including Ruby. html) is a commercial IDE for Ruby and is available for free to qualified educational and open source projects. It runs on Windows, Mac OS X, and Linux. Ask experienced developers who use your kind of operating system which editor they use. Spend a week or so trying alternatives before settling in. The Desktop We’re not going to tell you how to organize your desktop while working with Rails, but we will describe what we do.

It turns out that the Rails dispatcher is pretty clever. In development mode (as opposed to testing or production), it automatically reloads application source files when a new request comes along. That way, when we edit our application, the dispatcher makes sure it’s running the most recent changes. This is great for development. However, this flexibility comes at a cost—it causes a short pause after you enter a URL before the application responds. That’s caused by the dispatcher reloading stuff.

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Agile Web Development with Rails (4th Edition - final) by Sam Ruby, Dave Thomas, David Heinemeier Hansson


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