Lecture 6 - Edit, Update, Delete
Paths
Resources are a convenient way to set up a lot of default path's:
http://guides.rubyonrails.org/routing.html#crud-verbs-and-actions
Model A has one Model B
Model B has a column model_a_id
Model A belongs to Model B
Model A has a column model_b_id
Model A has many Model B
Model B has a column model_a_id