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ActiveModel validation in separate File...


ruby-on-railsvalidationactivemodel

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Uniqueness constraint not affecting fields...


ruby-on-railsrubyactivemodelactivesupport

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Save Rails model from controller params?...


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What is the ActiveModel method attribute "_was" used for?...


ruby-on-railsrubyactiverecordactivemodel

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Accessing attributes from different associated models rails 3...


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Trouble Saving Self-referencing Many-to-Many Relationship...


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Active Model Validations rails 3...


ruby-on-rails-3activemodel

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How to get records from multiple condition from a same column through associated table...


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Rails/ActiveModel passing arguments to EachValidator...


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Rails Association Validations: The field, or the _id field?...


ruby-on-railsactivemodel

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Using ruby inject to compare value from table with activemodel updated attributes...


ruby-on-railsrubyruby-on-rails-3activerecordactivemodel

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Given an Object form a query with 100s of items. How can I find an item in the object w/o having to ...


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Restrict eagerly loaded with `where` without another query in Rails...


ruby-on-railsactiverecordactivemodel

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Fat model, activeModel or in the controller?...


ruby-on-railsruby-on-rails-3database-designactiverecordactivemodel

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Is it possible to use ActiveModel with Sinatra?...


rubymongodbsinatraactivemodel

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ActiveModel validate attribute based on association...


ruby-on-railsvalidationassociationsmongoidactivemodel

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How can I use Paperclip gem for Rails in a class that does not inherit from ActiveRecord::Base?...


ruby-on-railspaperclipactivemodel

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Embedded mongoid document not marked as dirty / not updating...


ruby-on-railsruby-on-rails-3activerecordmongoidactivemodel

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Change input name of model...


ruby-on-railsrubyruby-on-rails-3simple-formactivemodel

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ActiveModel based class does not create the same results as an ActiveRecord equivilent...


ruby-on-railsactiverecordhashruby-on-rails-3activemodel

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Assigning two models of the same type to another model in rails...


ruby-on-railsrubyactivemodel

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Active Record find via parent's foreign key...


ruby-on-railsruby-on-rails-3activerecordactivemodel

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Rails 3: Mongoid validation issue...


ruby-on-railsruby-on-rails-3validationactiverecordactivemodel

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Rails 3: Mongoid validates_inclusion_of error...


ruby-on-railsruby-on-rails-3validationmongoidactivemodel

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Monkey Patch Rails Core Concerns...


rubyruby-on-rails-3activemodelmonkeypatching

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Change or update an attribute value during Rails ActiveRecord validation...


ruby-on-railsrubyvalidationactiverecordactivemodel

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Ruby on Rails - How to relate a comment model to a blog with no database...


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How to create an ActiveRecord model with some attributes that are stored in the database and some th...


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Supplying data for a form re-population from a different model...


ruby-on-rails-3activemodel

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Rails - Help understanding how to use :dependent => :destroy...


ruby-on-railsruby-on-rails-3activemodel

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