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Ruby Metaprogramming Basics

Understand Ruby Metaprogramming in this instructional video by learning how classes and object interact and what the “self” object is.

How to install RVM with ruby on rails

Learn how to install and configure RVM with both rails 3 and rails 2 apps. RVM allows users to deploy each project with its own self-contained and dedicated environment–from the specific version of ruby all the way down to the precise set of required gems to run the application.