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New posts in activerecord

How to remove validation using instance_eval clause in Rails?

ruby-on-rails ruby validation activerecord

Best way to find a single record using ActiveRecord 3 / Arel?

ruby-on-rails ruby activerecord arel

Postgres on Rails FATAL: database does not exist

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Rails Models: how would you create a pre-defined set of attributes?

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How to get the latest record from each group in ActiveRecord?

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Rails ActiveRecord Query Date Range

ruby-on-rails ruby activerecord

rails model has_many of itself

ruby-on-rails activerecord model has-many

How to implement Active Record inheritance in Ruby on Rails?

ruby-on-rails database inheritance activerecord model

Possible to have "polymorphic has_one" relationship in rails?

ruby-on-rails activerecord polymorphism

How to test model's callback method independently?

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How to use long id in Rails applications?

ruby-on-rails activerecord int long-integer bigint

How to combine two conditions in a where clause?

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Pass array to where in Codeigniter Active Record

php codeigniter activerecord

activerecord find all NOT included in an array

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How do I find out why I couldn't #destroy() a record?

ruby-on-rails activerecord

Using question mark character in Rails/ActiveRecord column name

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ActiveRecord: Update a record if exists else create?

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Separate date and time form fields in Rails

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Rails idiom to avoid duplicates in has_many :through

ruby-on-rails activerecord associations idioms

Possible to specify unique index with NULLs allowed in Rails/ActiveRecord?

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