According to https://www.w3.org/TR/WCAG20-TECHS/H93.html, we should avoid duplicate id values on web pages, because there are "errors that are known to cause problems for assistive technologies when they are trying to parse content that has the same id attribute on different elements". Find Ident...

Add attr_converter to maps attributes to another object, and this allows you to copy, convert and clone between them automatically

Awesome validation and object matching library

Provides before and after hooks for attribute changes in Ruby classes, allowing easy execution of custom logic when attributes are modified.

*Atomic archiving/unarchiving for ActiveRecord* acts_as_paranoid and similar plugins/gems work on a record-by-record basis and make it difficult to restore records atomically (or archive them, for that matter). Because ArchivalRecord's #archive! and #unarchive! methods are in transactions, and ...

Patch for multiparameter-wise assignment of transient (non-db-backed) model attributes in Rails' (Active Record).

Rails concern for ActiveRecord attribute translation using PostgreSQL's JSONB datatype.

Different than attr_accessible/protected (that can still be used with this gem), you can specify which parameters will be allowed in your controllers.

This gem helps you make your model's attribute smart.You can get many useful methods with only a little code.

Note: You need to specify a "slug" column in the db table for your sluggable asset, and then use the "slugged_column" class method, provided in this module, and pass into it the column_name you would like to slug (e.g. title, username, etc.). This gem will, in short, look at the column that you p...

A second attempt at gems with implementation of a CD Organizer

Python source generator plugin for AtCoderFriends (reference implementation)

Extension for AttachmentFu (http://github.com/technoweenie/attachment_fu) which uses the Google App Engine for storage and image resizing.

MemphisRuby attempt at creating a gem, okay.

Image data for Jekyll posts and pages. Crawls markdown files in search of image data ("src" and "alt" attributes) and makes it available as a post/page metadata attribute.

Generates yattr_accessors that encrypt and decrypt attributes transparently. Based on attr_encrypted by Sean Huber [https://github.com/shuber]

ActiveRecordStash provides a helpful syntax, which faciliates active_model compliant attributes, which are stored within a single serialized attribute. Poor mans NoSQL with AR

Flexible attribute mapping

Country, region, and currency info at your fingertips. Query for regional info and see which countries show up.

Rarff is a Ruby library for dealing with Attribute-Relation File Format (ARFF) files. ARFF files are used to specify data sets for data mining and machine learning.