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Nested Model Form Part 1
Episode #196Jan 11, 2010184 comments

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
Episode #197Jan 18, 2010215 comments

Nested Model Form Part 2

Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery. (12 minutes)
Ransack
Episode #370Aug 03, 201293 comments

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)
Polymorphic Association
Episode #154Mar 23, 2009125 comments

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)
Nested Resources
Episode #139Dec 08, 200866 comments

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)