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New posts in activerecord

How can I use validations in Rails 3.1 to enforce composite uniqueness?

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rspec - how to check that allow_blank exists

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Understanding "attribute_will_change!" method

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Rails: multiselect filtering with a blank option

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ActiveRecord find position (index) of record within relation based off value of attribute

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Is it possible to make ActiveRecord create objects for rows loaded using the :joins option?

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ActiveRecord Join table for legacy Database

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efficient bulk update rails database

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belongs_to with a custom class_name not producing proper foreign key in Rails 3

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How do I delete multiple records with dependent records in ActiveRecord

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How to format values before saving to database in rails 3

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get count in relation table in yii2 Activerecord

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How to perform an active record search based on a regular expression

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How to avoid crashing Rails app after removing column from table?

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How to access a variable that was created in a transaction?

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How to save something to the database after failed ActiveRecord validations?

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Making Rails #destroy_all run faster

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How to save data with has_many :through

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Rails - how to select all records by ID range

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Active Model Forbidden attributes error

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