How to Use Mixins and Modules in Your Ruby on Rails Application
Rails Concerns: To Concern Or Not To Concern
The Inherited Hook Method in Ruby - and More Parenting Lessons
Up the Ancestor Chain with method_missing
Unraveling Classes, Instances and Metaclasses in Ruby
Closures in Ruby: Blocks, Procs and Lambdas
Changing the Way Ruby Creates Objects
[Ruby's redo, retry and next k