Coding for Failure will walk you through everything you need to know for building fault tolerant applications that degrade gracefully in the face of a...

Jordan Fowler reveals his new Shadow plugin that tracks attribute and association changes to ActiveRecord objects, making it easy to create activity fe...

Matt Aimonetti demonstrates his newest plugins: ActiveRecord Backup and MimetypeFu.

This presentation by Hamilton Verissimo and Oren Eini show Castle Active Record - an ORM solution for .NET building on NHibernate. After an introductio...

The scoped method allows you to generate named scopes on the fly. In this episode I show how to use anonymous scopes to improve the conditional logic which was used in the previous episode on advanced search form.

If you need to create an advanced search with a lot of fields, it may not be ideal to use a GET request as I showed in episode 37. In this episode I will show you how to handle this by creating a Search resource

The named_scope method in Rails 2.1 makes performing finds on models very elegant and convenient. See how in this episode.

See how to handle authentication and custom actions using ActiveResource in this episode.

ActiveResource allows you to easily communicate between multiple Rails applications. See how in this episode.

Have you ever wanted to temporarily disable all validations? Well, ActiveRecord doesn't support this, but that doesn't mean we can't add it. This episode will show you how to open up an existing class and change its behavior.

When two people attempt to update the same record near the same time, one of the updates will likely be overwritten. You can solve this problem with optimistic locking.

Did you know ActiveRecord provides class methods for performing calculations on models? You can even use these methods through associations.