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New posts in activemodel

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

Translate model nested attribute validation message

Active Model Serializers: Adding extra information outside root in ArraySerializer

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

ActiveModel attributes

Rails, using the dirty or changed? flag with after_commit

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

Rails/ActiveModel passing arguments to EachValidator

Use ActiveModel::Serializers to include two parent json arrays

on an ActiveModel Object, how do I check uniqueness?

What is the difference between ActiveResource and ActiveModel?

ActiveModel::Validations on anonymous class

ruby activemodel

Rails 5 throw abort : how do I setup error messages?

How to pass argument to delegate method in Rails

ActiveModel - View - Controller in Rails instead of ActiveRecord?

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

How can i set include_root_in_json to false for all my RoR models?

Where are Default Validation Error Messages in Rails 3.0?

rails 3:how to generate models for existing database tables

Getting actual array of results using Mongoid