Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

It is a library that performs extended verification when an error occurs when executing SQL.

Sharding library for ActiveRecord(MySQL)

Allows the use of TiDB as a backend for ActiveRecord and Rails apps.

Define attributes in arel

Rails: Get notified when an after_commit block blows up

An easy to use, framework agnostic, customizable library to easily store and retrieve application configuration.

Provide usage statistics about how your application is being used

This is a functional replacement for acts_as_archive in rails 3 applications, the only functionality that is not duplicated is the migration from acts_as_paranoid

An ActiveRecord extension for writing commonly useful atomic SQL statements to avoid race condition.

Works with Facebook.

Automatic Foreign Key automatically generates foreign-key constraints when creating tables or adding columns. It uses SQL-92 syntax and as such should be compatible with most databases that support foreign-key constraints.

A highly available, reliable messaging infrastructure

Ruby UCSC API: accessing the UCSC Genome Database using Ruby

Agent to collect data for common server programs and push them to CopperEgg

首趣微店核心模块,包含结算项的创建、更新、删除,微店主积分的更改等信息

Rails active record grouping with range

A simple Rails 3 engine gem to manage and send newsletters.

A tool for automated testing and debugging of automation scripts (e.g., Chef).

Loads all records from the table on first use, and thereafter returns the cached (and frozen) records for all find calls. Optionally, creates class-level methods you can use to grab the records, named after the name field you specify.