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New posts in has-many-through

Rails custom ActiveRecord::Type fails when using `class_name` in has_many :through association

Why is my has_many through associated record (sometimes) readonly?

Why doesn't collection=objects on has_many :through trigger callbacks on the join model on deletion of the association?

Rails Has Many Through Polymorphic Checkboxes

Wrong order on has_many association when upgrading from rails 3 to rails 4

Right way to force uniqueness on a join model? (has_many :through)

Rails 3.2 - accepts_nested_attributes_for and join models

Creating multiple has_many through associations from an array of IDs

Active Admin has_many selectable list of records

Rails 4 collection_check_boxes, with a has_many through

Adding and removing from a has_many :through relation

Create and update with nested models using strong parameters Rails

Rails 4: checkboxes with a has_many through

Rails 3 can't perform validation for persited object when use collection_singular_ids=ids method

Please explain the has_many, through: source: Rails Association

Rails and Globalize - join translation table of related model in scope

activerecord find through association

rails 3 has_many :through record save error

How to Implement a Friendship Model in Rails 3 for a Social Networking Application?