lindsaar.net A Different View...

The new validation methods in Rails 3.0 have been extracted out to Active Model, but in the process have been sprinkled with DRY goodness… As you would know from Yehuda’s post on Active Model abstraction, in Rails 3.0, Active Record now mixes in many aspects of Active Model, including the validates modules. Before we get started though, your old friends still exist: validates_acceptance_of validat

[morygonzalez]

Sexy Validation の解説

[Kechol]

Rails3のvalidationに関する情報が少ないような。。

[yoshuki]

バリデーション

[parrot_studio]

rails3におけるvalidatesの使い方