Rails belongs_to relationship if meets certain condition...

Missing 'post_id' column and relationships between users/posts/comments in Rails 3.2...

Rails - can't tell create controller which item to create...

"Chained" relations (1:n:m) with Mongoid and Rails...

Only show submissions for the current festival...

Why am I getting an "undefined method" error with my has_one relationship in rails?...

ExtJS 4: Understanding hasMany and belongsTo...

why isn't this rails database has_one relationship working?...

Nested attributes for belongs_to association rails...

Controller Create Method belongs to many...

can Belongs_to work without has_many or has_one...

What type of relations to choose if I want to link 2 models with one...

Setting the parent in a rails belongs_to association...

Rails no method error for empty relation...

how to use includes? with belongs_to relationship, ERROR = undefined method `includes?' for...

ror: Belongs_to has_many doesn't do the foreign key check...

rails 3 search by belongs_to...

How does this cakephp scaffold know to display the name and not the primary key id?...

MySQL : How to know which table that record belongs to in UNION result...

Rails Association (belongs_to) dilemma...

How do i set a parent_id using s3_direct_upload gem?...

populating db with FactoryGirl when model belongs_to two parents...

Yii exception while saving child object that BELONGS_TO parent...

Rails - belongs_to and has_many (same class) - How to access parent and childrens...

Controller code to create a record that has two belongs_to relationships...

Rails has_one belongs_to display field in index?...

Does belongsTo create an instance of the corresponding class?...

Rails 3 uninitialized constant error, has_many and belongs_to...

Rails 3.0 has_many and belongs_to associations headache....

searching records in rails include belongs_to or has_many...