Latest Screencasts

Polymorphic associations are very simple, as are many-to-many associations. When you blend the two, it’s not nearly as simple. Since there isn’t a working build-in mechanism for many-to-many polymorphic associations. Here’s a quick demo of what happens if you try to set up a traditional has_many :through association with a polymorphic association. I also show [...]

I had several requests in UserVoice to provide a Many to Many tutorial in Rails. This is a demonstration of how to put together a “has and belongs to many” association and a “has many through” association. This is somewhat basic to Ruby on Rails, but important if you need to associate different models. Download [...]