This gem is very fast C++ code for calculating AUCs on results of cross-validation. It is specific to the crossval database schema, which has not been released yet. Chances are you will not find this very useful unless you are the author. It is in gem form to ensure that each lab machine can c...

LiveValidation integration with default Rails form helpers and validation methods.

Validation frontend for models. Inspired by the scrivener gem.

ElasticSearch Queries, gem that allows elastic creation of complex ES queries, and end up in hashes. Validation enabled. Uses eapi gem)

Add state maps to Rails Enums for validation on transitions.

Ruby gem that mimics AWS SQS Extended Client with features like S3 offloading, compression, cleanup, validation, and logging.

A library that sucks... validation errors into an accumulator.

== FEATURES/PROBLEMS: * a simple FriendMailer object * email templates for HTML and plain text alternative * configurable amount of friends * support for including a user submitted message in the email * support for HTML as well as XML (nice for Flash integration) * server-side validation * erro...

Provides simple, convention-based, user input validation and coercion. Also provides a 'type safe hash' and command line option parser that use it.

A workflow tool to: reconcile bank-downloaded csv's into categorized pta journals. Run finance validations on those journals. And generate csvs and plots on the output.

Defines multiple helpers that operate various textual operations like downcase, capitalize or sanitize (strip dangerous content) from string/text attributes in ActiveRecord models at validation (or any other callback).

ActiveModel validation that two associated models are related to each other.

Rails gem that implements an ActiveRecord validation helper called validates_as_postal_code which validates U.S. postal codes

Rails gem that implements an ActiveRecord validation helper called validates_as_phone_number which validates U.S. phone numbers

This RubyGem allows you to prevent particular database fields from being changed after an Active Record object is created. A validation error occurs on updates if an attribute of a model object is different from its value in the database.

A simple, localizable EachValidator for email address fields in ActiveRecord 3.0.

Verify the existence of an email address.

Package of validations commonly used in Defra Rails based digital services

Advanced ActiveModel email validation with MX lookups, domain blacklisting and disposable email blocking

Reliable contract definition, data validation, and type checking for Ruby.