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New posts in associations

Rails: How to observe join records that don't actually have a Model?

How to create nested objects in Rails3 using accepts_nested_attributes_for?

Using bidirectional associations from domain objects in @Transactional Junit Tests

rails associations :autosave doesn't seem to working as expected

What is the importance of association multiplicity in class diagrams?

find_or_initialize_by on has_many association causes duplicate error

Can't delete_all associated records with "has_many through"

Undefined method for nil class in Rspec test

cakephp 3.x Saving Nested (deep) Association

Access grandparent of unsaved parent and child in Rails

Association Class Uniqueness

In Rails, how can I retrieve the object on a belongs_to association, without going through the database?

Rails - how to store "has_many" checkboxes association in database?

Creating multiple has_many through associations from an array of IDs

Rails3 - How do I get all attributes and associations of an ActiveRecord Model?

is it recommended to make associations to enum classes in uml class diagram?

Pluck associated model's attribute in Rails query

Rails belongs_to association (with :class_name) returns nil

Rails query join association table with alias

Rails 4: How to use includes() with where() to retrieve associated objects