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

By Dave Thomas, David Heinemeier Hansson, Sam Ruby

Ruby on Rails is helping you produce top of the range, beautiful-looking net purposes quick. you think about developing the applying, and Rails looks after the details.

Tens of millions of builders have used this award-winning ebook to benefit Rails. It's a extensive, far-reaching instructional and reference that's urged by way of the Rails middle group. If you're new to Rails, you'll get step by step counsel. If you're an skilled developer, this e-book offers you the excellent, insider details you need.

Rails has advanced through the years, and this publication has advanced besides it. We nonetheless begin with a step by step walkthrough of establishing a true program, and in-depth chapters examine the integrated Rails gains. This variation now provides new Ruby and Rails clients additional info at the Ruby language and takes extra time to give an explanation for key options all through. top practices on find out how to practice Rails proceed to alter, and this version retains up. Examples use cookie sponsored periods, HTTP authentication, and lively Record-based varieties, 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 free up of Ruby with sizeable sensible and function improvements.

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A nice editor will let you type the first few characters and then suggest possible completions to you at the touch of a key. We hesitate to recommend specific editors because we’ve used only a few in earnest and we’ll undoubtedly leave someone’s favorite editor off the list. com/). 0 on Mac OS X has an Organizer that provides much of what you might need. html. com/rails/) is an integrated Rails development environment that runs in Aptana Studio and Eclipse. It runs on Windows, Mac OS X, and Linux.

This makes sense; by putting the implementation of these business rules in the model, we make sure that nothing else in the application can make our data invalid. The model acts as both a gatekeeper and a data store. The view is responsible for generating a user interface, normally based on data in the model. For example, an online store will have a list of products to be displayed on a catalog screen. This list will be accessible via the model, but it will be a view that accesses the list from the model and formats it for the end user.

On to the next chapter where we create our first application. 0 printing, October 28, 2010) 36 In this chapter, we’ll see • • • • • • creating a new application, starting the server, accessing the server from a browser, producing dynamic content, adding hypertext links, and passing data from the controller to the view Chapter 2 Instant Gratification Let’s write a simple application to verify we’ve got Rails snugly installed on our machines. Along the way, we’ll get a peek at the way Rails applications work.

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