A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internationalization, and testing.

Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.

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, ...

Client Side Validations made easy for your Rails 5 applications

Client Side Validations

Client Side Validations

xlsx spreadsheet generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx helps you create beautiful Office Open XML Spreadsheet documents ( Excel, Google Spreadsheets, Numbers, LibreOffice) without having to understand the entire ECMA spec...

Adds validation methods to ActiveModel for validating dates and times. Works with multiple ORMS.

Validation library

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

Google libphonenumber library was taken as a basis for this gem. Gem uses its data file for validations and number formatting.

Provide an easy way to check the consistency of the database constraints with the application validations.

Validations for Active Storage (presence)

Parameter Validation and Type Coercion for Rails

Send e-mail straight from forms in Rails with I18n, validations, attachments and request information.

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

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

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.

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints a...

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