This gem is not needed in Rails 3 as dependent => :raise is included in 3.0.

DeprecatedAttributes provides a straightforward and unobtrusive method for flagging deprecated attributes in your model. When these attributes are accessed, a warning message will be logged along with a trace of where the deprecated attribute was called. Additionally, an exception can be raised i...

Turn a module of behavioral concerns into a DSL for describing a large set of subtypes

Background tasks & Exporting and importing data out of Amazon AWS RedShift

Spam detection plugin for Rails 2 & ActiveRecord 2. Uses all the standard Rails conventions and my Despamilator gem. Use the main (non rails2) version for Rails 3.

Roles persisted in the database. Role is as a composition of grants. Roles may be assigned to user.

Destroy associations if specified attribute is blank

destroy database records in the background

Deletes records(without instantiating the records first) based on a block(which returns an array of ids) given and also recursively deletes all their associated records if they are marked as :dependent => :destroy. It is useful for background processing.

Delayed destroy ActiveRecord model

counter cache that lives in its own table

Keep track of your devices. Features: - User registration/login/validation - User levels (normal/admin) - Checkout devices - Return devices - Assign devices to someone (Admin only) - Validate a user (Admin only) ...

Keep track of your devices. Features: - User registration/login/validation - User levels (normal/admin) - Checkout devices - Return devices - Assign devices to someone (Admin only) - Validate a user (Admin only) ...

Hooks to run some code around notification events for Devise

Implement user targeted cross-platform notifications with OneSignal & Devise in your Rails app. This gem can also be used without Devise, but it is primarily intended to be used along with some sort of user-management-system.

Every time a user signs in, log the time and IP.

Devlin gives users the ability to define reporting database queries

Converts to/from date & time inputs for managing scheduled models.

ActiveRecord mapping of main Mediawiki entities and relationships

A modern Rails profiler