Prevents a block from returning the same object twice.

Check uniqueness across models

Easily set ActiveRecord attributes to auto-generate as unique values from a given proc.

A Rails validator for uniqueness by date.

ActiveRecord, MongoMapper and general tools for generating unique values e.g. api keys and tokens.

before_create helper to create unique idenfication fields

A simple validator to verify the uniqueness of certain item attributes from a collection

Generate random and unique names in Ruby with support for PRNG seeded/deterministic generation using a built in collection of dictionaries, or your own.

This gem is useful when you work with `paranoia` + `devise` gems etc, to prevent duplication creation (or unique index errors)

This validator allows you to verify nested models created with nested forms to validate the uniqueness of an attribute, More details in http://github.com/evedovelli/unique_nested_validator

Ruby SDK for Unique Response

Client for uniqush-push server for push notifications using GCM, APNS and others http://uniqush.org/

Gem that provide access to unisender.com.ua api

Unit conversions

United server and client for a single code base application.

Allows for getting of state names and postal codes in various formats.

Parse the analytics file from Unite for Adtag

This module enables attaching units to numeric variables. Relations between units can be specified, which furthers allow variables with different units to be compared, and arithmetic operations to be performed on them.

This is a command to manage virtual servers on UnitHosting(http://www.unit-hosting.com).

Manage units easily.