Hash validation for 'options'-like methods.

Simple actions and complex forms with validations, nesting, etc.

YAML Easy Schemas it a straight-foward but powerful YPath-based schema format and validation program for YAML documents.

== 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...

Transform database constraint errors into activerecord validation errors

== FEATURES/PROBLEMS: Right now, only one function: parse. This does the validation and parsing all in one step. This is intended to be used by any reader (who would take care of what links have been read, etc). == SYNOPSIS: results = Zsff.parse(url) results[:errors] #Any errors encountered ...

Adds URL validation to your Grape API parameters.

Adds a Rails-esque validation method for use in Rails 3 with ActiveRecord or DataMapper

A JSON schema validation tool.

add description to your classes and make your ActiveRecord validations smarter

Write self-documenting parameter validation and type-casting in your API actions. Docs and development at https://github.com/ozydingo/despecable.

Compares the differences between a structure.sql file and a database and reports the inconsistencies.

Includes optional reader/writer delegation and unobtrusive errors validation

RSpec matches for Mongoid models, including association and validation matchers

A gem that generates Ruby classes for JSON schema validation of API endpoints based on their Swagger documentation.

HashHelper is a collection of advanced helper methods for Ruby hashes. It provides tools for deep inversion, normalization, percentage calculations, recursive operations, sorting, validation, linear regression, and much more. HashHelper is designed to simplify complex hash manipulations with clea...

A ruby interface over the DataValidation service.

Allow to store ActiveModel validations in ORM.

ActiveModel Bank data validation

The lightest of ORMs excluding magic such as properties, primary keys, associations, validations.