Class methods (1) included (<= v2.3.8) Instance methods (14) attribute_change (<= v2.3.8) attribute_changed? (<= v2.3.8) attribute_was (<= v2.3.8) attribute_will_change! (<= v2.3.8) changed (<= v2.3.8) changed? (<= v2.3.8) changed_attributes (<= v2.3.8) changes (<= v2.3.8) field_changed? (<= v2.3.8) reload_with_dirty (<= v2.3.8) save_with_dirty (<= v2.3.8) save_with_dirty! (<= v2.3.8) update_with_
This guide covers the association features of Active Record. After reading this guide, you will know how to: Understand the various types of associations. Declare associations between Active Record models. Choose the right association type for your models. Use Single Table Inheritance. Setting up and using Delegated Types. 1 Associations OverviewActive Record associations allow you to define relat
The most popular request on our new Feedback site was for the ability to easily manage multiple models in a single form. Thankfully Eloy Duran has a patch that does just this. But before we roll it into rails 2.3 we want to get some more feedback from you guys. Eloy's written this brief introduction to the patch, so take a look, and add any feedback you have to the lighthouse ticket. In Rails it h
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