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New posts in associations

Trouble with accepts_nested_attributes_for on validating foreign key

ruby-on-rails validation activerecord associations

rails scope to check if association does NOT exist

sql ruby-on-rails associations scopes

Is there a "first_or_build" method on has_many associations?

ruby-on-rails activerecord associations

Hibernate unidirectional one to many association - why is a join table better?

hibernate one-to-many foreign-keys associations

How do I pass an argument to a has_many association scope in Rails 4?

ruby-on-rails associations scopes

Rails: belongs_to vs has_one

ruby-on-rails model associations has-many belongs-to

Could not find the association problem in Rails

ruby-on-rails activerecord associations models

Hibernate @OneToMany remove child from list when updating parent

database hibernate jpa associations one-to-many

build method on ruby on rails

ruby-on-rails ruby-on-rails-3.1 associations

Rails idiom to avoid duplicates in has_many :through

ruby-on-rails activerecord associations idioms

How do I remove a single HABTM associated item without deleting the item itself?

ruby-on-rails associations has-and-belongs-to-many

Rails association - how to add the 'has_many' object to the 'owner'

ruby-on-rails-3 associations

Same Model for Two belongs_to Associations

ruby-on-rails-3 associations model-associations

Rails Associations - has_many => :through - but same model

ruby-on-rails associations has-many-through

When will ActiveRecord save associations?

ruby-on-rails activerecord associations has-many

Correct way of testing "associations" with Rspec?

ruby-on-rails rspec associations

How do I prevent deletion of parent if it has child records?

ruby-on-rails model associations

UML aggregation vs association

uml associations aggregation

Sails.js populate nested associations

node.js associations sails.js populate nested

Validation failed Class must exist

ruby-on-rails validation associations model-associations belongs-to
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