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Strong Parameters
The strong_parameters gem is an improvement over attr_accessible to securely handle mass assignment even when you have complex authorization logic. The functionality will likely be added to Rails 4 so it is a good idea to learn how it works.
(12 minutes)
Sass Basics
Sass extends CSS with variables, nesting, mixins and more. Here I show how to convert plain CSS to SCSS in a Rails 3.1 app.
(13 minutes)
Pry with Rails
Pry is an alternative to IRB and sports many great features. Here I show how to integrate it into a Rails app, and how it can aid in debugging.
(8 minutes)
Authorization with CanCan
CanCan is a simple authorization plugin that offers a lot of flexibility. See how to use it in this episode.
(15 minutes)
Polymorphic Association
Polymorphic associations can be perplexing. In this episode I show you how to set it up in Active Record and then move to the controller and view layer.
(8 minutes)