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New posts in associations

multicolumn primary keys in rails

Rails: One-to-many association fails due to foreign key validation

Simple_form has_and_belongs_to_many association is not updating

Rails: How do I define an association extension in a module that gets included in my AR model?

Doctrine2 QueryBuilder: How to filter out entities having zero count for a OneToMany

Foreign Key Dropdown in Scaffold Rails 3 Views

Custom Active Admin form inputs for has_and_belongs_to_many relationship

Find all objects with no associated has_many objects

Cakephp, ordering associated tables

php cakephp model associations

Filtering deep associations in Rails' to_xml

Matching nested model association attribute with includes

symfony2 JMSSerializerBundle deserialize entity with OneToMany association

How best to "merge" two objects and their associations in rails?

Why am I getting this "undefined method `#<ActiveRecord::Associations::CollectionProxy::ActiveRecord_Associations_CollectionProxy_Survey" error?

How to associate a new model with existing models using has_and_belongs_to_many

rails build or update method?

Rails 3 ActiveRecord: Find model by finding it's association

Sort a query based on an association 2 or more levels deep

Specifying the foreign key in a has_many :through relationship