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If you want to change something in the layout on a per-template basis, content_for is your answer! This allows templates to specify view code that can be placed anywhere in a layout.

Everything you wanted to know about layouts: global layouts, controller layouts, shared layouts, dynamic layouts and action layouts. Yes, there really are that many ways to specify a layout.

It may have a goofy syntax, but the Symbol#to_proc feature Rails adds allows you to do simple blocks very quickly and easily.

This tutorial explores the MVC concept of Ruby on Rails i.e Model,View and Controller

Explore the additional functions and improvements that Aptana RadRails brings to the Ruby developer. Using Eclipse's ubiquitous and common platform for development--as well as a tool that lets you easily work with other languages--see how you can increase your efficiency by focusing on a language instead of learning a new IDE each time you change languages.

Move a find into the model to clean up the controllers and remove duplication. Also see how you can call these custom find methods through an association.

Shorten simple finds considerably and improve readability by using the dynamic find_all_by and find_by methods.

No need to pass foreign keys in find conditions, just do the find through a has_many association.

Learn a quick way to improve performance. Just store the end result of an expensive command in an instance variable!

Ruby on Rails.. by now most people have heard the hype about it. It promises more effective code, total object orientation, and true MVC architecture to say the least. As far as my own personal experience, it has been all that and more. The code is beautiful, easy to maintain, and edit. In a recent project I was working on, it took me less than 10 hours to do the application, as compared to at least double that if I was writing in PHP.

This tutorial is for beginners who haven`t been able to find tutorials for Ruby on Rails 2. This tutorial will teach you to create your first application, an article system, step-by-step.

Protecting against Cross-Site Scripting in Ruby

Using script.aculo.us in Ruby on Rails

This is a simple and direct tutorial on Ruby-on-Rails using Instant Rails in Windows-2000. Absolute beginners can run their first real program in just 20 minutes.

So you're just about to crack on and dive into that code, but wait, you don't even need to do that! Rails comes with generators for basic functionality so you can get going as quickly as possible.

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