Posts tagged “has_many” — Sean Behan

Jul 2009 · 1 min read

Destroy Children In Rails 2.3

In the parent class place the following code This used to be accomplished with Check out the Rails docs for more information...

dependent has_many rails 2.3 ruby on rails
Apr 2009 · 1 min read

Validate Uniqueness on Join Tables in Rails

How to validate uniqueness in a :has\many :through relationship with Ruby on Rails. You'll need three models in this example List, Subscriber and ListSubscriber. A list has many subscribers and a...

has_many models relationships through validates_uniqueness_of ruby on rails