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New posts in activerecord

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?

ruby-on-rails ruby-on-rails-3 activerecord

Pass array to where in Codeigniter Active Record

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activerecord find all NOT included in an array

ruby-on-rails activerecord ruby-on-rails-3

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

datetime forms activerecord ruby-on-rails-3

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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Rails includes with scope

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Finding nil has_one associations in where query

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How to specify a less than today condition on a date in Rails ActiveRecord

ruby-on-rails activerecord if-statement

How to get an array with column names of a table

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Grouping by week/month/etc & ActiveRecord?

ruby-on-rails activerecord grouping

Copy model instances in Rails

ruby-on-rails activerecord

How to determine if any field in a model / nested model changed?

ruby-on-rails-3 activerecord

ActiveRecord finding existing table indexes

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