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New posts in activemodel

Efficient way to report record validation warnings as well as errors?

ruby-on-rails validation activemodel

How to setup a one to many relationship?

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

ActiveModel::MassAssignmentSecurity::Error: Can't mass-assign protected attributes

ruby-on-rails activemodel

Shared scopes via module?

ruby-on-rails activerecord rspec scope activemodel

Track dirty for not-persisted attribute in an ActiveRecord object in rails

ruby-on-rails-3 activerecord activemodel

How to implement multiple different serializers for same model using ActiveModel::Serializers?

ruby-on-rails-3 json rest activemodel

Forbidden Attributes Error in Rails 4 when encountering a situation where one would have used attr_accessible in earlier versions of Rails

ruby-on-rails ruby-on-rails-4 activemodel attr-accessible strong-parameters

How to test a custom validator?

ruby-on-rails testing rspec validation activemodel

get validations from model

ruby-on-rails validation activemodel

Controlling the order of rails validations

ruby-on-rails ruby-on-rails-3 validation activemodel

ActiveModel::MissingAttributeError occurs after deploying and then goes away after a while

ruby-on-rails ruby activemodel

LoadError Unable to autoload constant Message

ruby-on-rails activemodel rails-models mailboxer

Difference between Active Model, Active Record and Active Resource

ruby-on-rails-3 rails-activerecord activemodel activeresource

Getting types of the attributes in an ActiveRecord object

ruby-on-rails ruby activerecord activemodel

How to determine if a record is just created or updated in after_save

ruby-on-rails activerecord activemodel
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