I have two models class Subscription < ActiveRecord::Base belongs_to :client end class Client < ActiveRecord::Base
I have a model 开发者_StackOverflowwhich has many children. I was setting/removing the children as such:
How can I delete a child from a bidirectional many-to-many association? Deleting the child does not work because I get an exception (FK Violation).
Right now I\'m using a has_and_belongs_to_many association for two of my models like so: class Books < ActiveRecord::Base
I\'m rendering display objects to the stage depending on the given XML elements, as you can see here:
I have been trying to create an association relation between two tables, intake and module .Each intake has a one-to-many relationship with the modules.
Suppose we have the standard Post & Comment models, with Post having accepts_nested_attributes_for :commments and :autosave => true set.
I\'ve got a problem with a has_many :through association, i can开发者_StackOverflowt call the u1.UsersProfileAttributes.find_by_ProfileAttribute_name(\"icq\") method, rails means that this method does
I run the risk of palm-to-forehead here, but I can\'t quite figure out how to do this with Rails\' ActiveRecord sugar.
I want to implement a messaging system for my app. I have users. What exactly should I do? create a messages model with foreign two user foreign keys??.. what would be the most approproate way of ge