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New posts in activemodel

How to properly use joins on polymorphic association in Active Record

ruby-on-rails ruby activerecord activemodel

Rails: In Rails how to use the model’s Attribute API on a tableless model

ruby-on-rails activerecord attributes ruby-on-rails-5 activemodel

Detecting if value of attribute changed during last update doesnt work with Active Model Dirty

ruby-on-rails controller attributes activemodel

Rails validatation to ensure a username does not clash with an existing route?

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

Getting ActiveModel::Callbacks to work with ActiveResource

ruby-on-rails-3 activeresource activemodel

Does ActiveModel have a module that includes an "update_attributes" method?

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

Rails accepts_nested_attributes count validation

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

Rails Undefined Method 'model_name'

ruby-on-rails-3 activemodel

Change input name of model

ruby-on-rails ruby ruby-on-rails-3 simple-form activemodel

Rails 3 ActiveModel: cannot include ActiveModel::Model directly

ruby-on-rails activemodel rails-activerecord

rails 3.2.0 and heroku

ruby ruby-on-rails-3 heroku activemodel

Ruby on Rails 3 (3.1) ActiveModel Associations (tableless nested models)

ruby-on-rails-3 activemodel

Change or update an attribute value during Rails ActiveRecord validation

ruby-on-rails ruby validation activerecord activemodel

Shoulda-Matchers and Custom Error Messages

ruby-on-rails rspec activemodel shoulda

Rails 3.2 to 4.0 Upgrade: Undefined method to_datetime for false:FalseClass

ruby-on-rails ruby-on-rails-3 ruby-on-rails-4 activemodel activesupport

How to get name of current rake task in my Rails model?

ruby-on-rails rake activemodel

How to create ActiveRecord tableless Model in Rails 5?

ruby-on-rails ruby activerecord ruby-on-rails-5 activemodel

" 'nil' is not an ActiveModel-compatible object. It must implement :to_partial_path " error in micropost model

ruby-on-rails activemodel

form_for non-AR model - fields_for Array attribute doesn't iterate

ruby-on-rails-3 activemodel

Serialize permissions (e.g. CanCan) with active_model_serializers

ruby-on-rails cancan activemodel active-model-serializers
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