By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce high quality, beautiful-looking net functions fast. you consider developing the applying, 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 wide, far-reaching instructional and reference that is urged through the Rails center workforce. if you are new to Rails, you will get step by step information. if you are an skilled developer, this ebook offers you the great, insider info you wish. Rails has advanced through the years, and this e-book has developed besides it. We nonetheless begin with a step by step walkthrough of establishing a true program, and in-depth chapters examine the integrated Rails positive factors. This variation now provides new Ruby and Rails clients additional information at the Ruby language and takes extra time to provide an explanation for key innovations all through. top practices on the way to practice Rails proceed to alter, and this version retains up. Examples use cookie subsidized classes, HTTP authentication, and lively Record-based kinds, and the ebook focuses all through at the correct solution to use Rails. also, this version now displays Ruby 1.9, a brand new unencumber of Ruby with significant useful and function advancements.
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Additional info for Agile Web Development with Rails (4th edition) Beta 13 (2011)
This section contains links to instructions to get that done. The database drivers are all written in C and are primarily distributed in source form. If you don’t want to bother building a driver from source, take a careful look at the driver’s website. Many times you’ll find that the author also distributes binary versions. 0 printing, February 2, 2011) 36 W HAT W E J UST D ID If you can’t find a binary version or if you’d rather build from source anyway, you’ll need a development environment on your machine to build the library.
0 printing, February 2, 2011) 42 H ELLO , R AILS ! 3: Standard locations for controllers and views In total, we’ve looked at two files in our Rails application tree. We looked at the controller, and we modified a template to display a page in the browser. These files live in standard locations in the Rails hierarchy: controllers go into app/controllers, and views go into subdirectories of app/views. 3. Making It Dynamic So far, our Rails application is pretty boring—it just displays a static page.
However, Rails handles most of this interaction behind the scenes; the code you write concentrates on application-level functionality. This makes Rails controller code remarkably easy to develop and maintain. The controller is also home to a number of important ancillary services: • It is responsible for routing external requests to internal actions. 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.
Agile Web Development with Rails (4th edition) Beta 13 (2011) by Sam Ruby, Dave Thomas, David Heinemeier Hansson