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New posts in 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

Is Mongoid::Document a GlobalID::Identification for ActiveJobs?

ruby-on-rails ruby mongoid activemodel rails-activejob

How to access params in the callback of a Rails model?

ruby-on-rails ruby-on-rails-3 activerecord ruby-on-rails-3.2 activemodel

Rails 3, RSpec 2.5: Using should_receive or stub_chain with named scopes

ruby-on-rails-3 bdd rspec2 arel activemodel

Translate model nested attribute validation message

ruby-on-rails activemodel rails-i18n

Active Model Serializers: Adding extra information outside root in ArraySerializer

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

What's the correct way to make before_validation, etc. work in an ActiveModel

ruby-on-rails-3 activemodel

ActiveModel attributes

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

Rails, using the dirty or changed? flag with after_commit

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

Multiple HABTM properties with ActiveAdmin and Rails 4: data not saved

ruby-on-rails ruby-on-rails-4 activeadmin activemodel

Rails/ActiveModel passing arguments to EachValidator

ruby-on-rails-3 validation mongoid aggregation activemodel

Use ActiveModel::Serializers to include two parent json arrays

json ruby-on-rails-3 ember.js activemodel active-model-serializers

on an ActiveModel Object, how do I check uniqueness?

ruby-on-rails validation activemodel rails-activerecord
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