Helper to customize the validation messages in Hanami application views.

A Rails plugin that adds validation sets to Active Record.

This ActiveRecord extension provides more validation schemes. There are some useful validation missing added by this plugin to fill the gap.

A extension activemodel's validations to validation step by step.

Easily make your rails app's validation configurable by the end user by storing the validation rules in the database.

ConditionalValidation simplifies adding validation flags and then querying state to determine when associated validations should be run on models.

Client Side Validations support for Rails 2.x

StripAttributes automatically strips all ActiveRecord model attributes of leading and trailing whitespace before validation. If the attribute is blank, it strips the value to nil.

RSpec matches for Mongoid models, including association and validation matchers.

Rumale::ModelSelection provides model validation techniques, such as k-fold cross-validation, time series cross-validation, and grid search, with Rumale interface.

Formtastic Plugin for ClientSideValidaitons

Mongoid Plugin for ClientSideValidations

Several methods in ActiveRecord skip validations, callbacks, or both. In my extremely humble but also extremely correct opinion, it's too easy to accidentally use these. Do Not Want kills those methods dead so you won't cut yourself on them: >> User.new.update_attribute(:foo, 5) DoNotWa...

Formtastic Plugin for ClientSideValidaitons

Adds several handy expectations for testing ActiveRecord model validations, similar to what Shoulda provides.

Parameter Validation and Type Coercion for Rails

Turbolinks Plugin for ClientSideValidaitons

Adds type validation for classes with ActiveModel::Validations.

Store Rails validations as JSON to serve via api and drive complex validation logic.

To ensure Validations that continue to have issues are addressed by developers. This is done by logging the failure. When a specific failure continues to be an issue, a developer can look into the problem.