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HABTM Checkboxes
It is often asked: how do I create a list of checkboxes for managing a HABTM association? Ask no more because this episode will show you how to do exactly that.
(6 minutes)
Virtual Attributes
Keep your controllers clean and forms flexible by adding virtual attributes to your model. This very powerful technique allows you to create form fields which may not directly relate to the database.
(3 minutes)