Used to validate a number is odd or even or palindrome

UsStatesData is a versatile Ruby gem designed to simplify working with US state data. Whether you're building a geographic application, conducting data analysis, or enhancing your project with location-based features, UsStatesData provides a comprehensive set of methods to streamline your workflo...

After each migration it generates a file with some validations. Each active record should include this file and can uns generated validations.

Ruby Gem to make a validation of a variable or a hash, based on regular expressions or own predefined validation templates in an easy way. See full documentation on GitHub.

Use database validations and convert ActiveRecord::StatementInvalid into ActiveRecord::RecordInvalid

Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.

Mongoid Plugin for ClientSideValidations

Declarative parameter definition and validation for Rails

DHS ia a Rails-Gem, providing an ActiveRecord like interface to access HTTP-JSON-Services from Rails Applications. Special features provided by this gem are: Multiple endpoint configuration per resource, active-record-like query-chains, scopes, error handling, relations, request cycle cache, batc...

Ruby Cloud SDK wraps Aspose.Cells REST API so you could seamlessly integrate Microsoft Excel® spreadsheet generation, manipulation, conversion & inspection features into your own applications. Aspose.Cells Cloud for Ruby enables you to handle various aspects of Excel files, including cell data, s...

Push new specifications to a spec-repo without lint validation

No ActiveRecord or Dry-Validation, just plain parameters.

This is the simple REST client for Address Validation API V1. Simple REST clients are Ruby client libraries that provide access to Google services via their HTTP REST API endpoints. These libraries are generated and updated automatically based on the discovery documents published by the service, ...

ActiveModel validation for email. Including MX lookup and disposable email blacklist

Rack::Cache is suitable as a quick drop-in component to enable HTTP caching for Rack-based applications that produce freshness (expires, cache-control) and/or validation (last-modified, etag) information.

An implementation of the Command Pattern for Ruby with ActiveModel::Validations inspired by the interactor gem. Rich support for attributes, callbacks, and validations, and thread safe performance methods.

The Atlas Engine is a rails engine that provides a GraphQL API for address validation.

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

ActiveModel/ActiveRecord validator that can wrap other validators to notify of errors so that new validations can be safely added to an existing model.

Like Active Record's validation feature, but for destroying models