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New posts in associations

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

What is an operating system independent way to open file with associated program from C++?

Using rails_admin to display dropdown list on belongs_to association

Is it possible to ask for only certain columns from an ActiveRecord association?

Handling an association with an interface using ORM in Java

java orm associations

Rails: How can I access the parent model of a new record's nested associations?

has_many with multi-level hierarchy and single table inheritance

Doctrine 2.0 / One-To-Many : Many-To-One

Reverse has_many with polymorphism

Understanding Associations in Sequelize

UML Notation - Aggregations/Compositions vs "Vanilla" Associations

When to use an attribute (property) instead of an association/aggregation/composition when drawing a UML