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ActiveRecord associations are auto-saved on assignment after migrating between Rails versions, how can I disable that?

Rails update only empty fields

Create form fields for hash attribute

Get records with empty hstore

Dynamic class_name for has_many relations

How would you do this Rails sub-query using Squeel?

Polymorphic Association with multiple associations on the same model

How to capture errors from ActiveRecord::Base.connection.execute in Rails?

Multiple scope uniqueness validation

Is it possible to not repeat Rails ActiveRecord where condition arguments?

How do I force a Rails query to return potentially two models per result?

Rails 3 Order By Count on has_many :through

Selecting records where relation is not empty

How are values cast when assigning to a Boolean field in Rails ActiveRecord?

How to join on the same table multiple times?

HMT collection_singular_ids= deletion of join models is direct, no destroy callbacks are triggered

Is possible to recursively save a record in Rails?

Rails 3 has_many :through + join table conditions / scoping

object.count returns 0. But object.any? returns true. What's happening?

Rails: How do I filter a ActiveRecord collection result without making new db queries?