RailsCasts Episode #17: HABTM Checkboxes http://railscasts.com/episodes/17-habtm-checkboxes Commands used in console p = Product.first p.category_ids p.category_ids = [1, 2] p.categories Requires Ruby 1.9.2 or higher.
RailsCasts Episode #17: HABTM Checkboxes http://railscasts.com/episodes/17-habtm-checkboxes Commands used in console p = Product.first p.category_ids p.category_ids = [1, 2] p.categories Requires Ruby 1.9.2 or higher.