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Nested Model Form Part 1
Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.
(11 minutes)
Nested Model Form Part 2
Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery.
(12 minutes)
Trees with Ancestry
The Ancestry gem works like a tree but also allows us to fetch deeply nested messages in a single query. It provides a method to arrange them after fetching.
(9 minutes)
Nested Resources
In this episode I show how to nest resources through routing and go into some new additions in Rails 2.2.
(10 minutes)
Ransack
Ransack allows you to easily build complex search forms. It also helps in adding sortable links and building a dynamic advanced search page.
(10 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)