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Seed Data
Rails 2.3.4 includes a conventional way to add seed data to your application - no more including it in the migration files.
(7 minutes)
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)
MetaWhere & MetaSearch
MetaWhere provides a way to do complex find conditions without SQL in Active Record. MetaSearch makes it easy to create search forms with many find options.
(8 minutes)
Integrating Active Merchant
In this episode I show how to add Active Merchant's functionality to a Rails application to make a fully-functional checkout process.
(18 minutes)
Making a Gem
Want to create a Ruby Gem instead of a Rails plugin? In this episode I will walk you through creating a gem to extend Rails.
(9 minutes)
Refactoring & Dynamic Delegator
Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator.
(7 minutes)
Tracking Attribute Changes
Rails 2.1 keeps track of the changes you make to a model's attributes. It also allows you to see what the previous value was. But watch out for the gotcha! See this episode for details.
(7 minutes)
named_scope
The named_scope method in Rails 2.1 makes performing finds on models very elegant and convenient. See how in this episode.
(11 minutes)
Tableless Model
If you want to create a model without a database backend, you simply need to define a couple methods in the model like I show in this episode.
(8 minutes)
Tree Based Navigation
The acts_as_tree plugin provides many methods for handling a tree based association. In this episode I show how to build a navigation system with tabs, subpages, and breadcrumbs.
(11 minutes)