A Rails model validation, my first gem, just a practice work

Extra validations for rails: date, domain, email, iban, phone, postal_code, commerce_number, vat_number

Improve your rails 3 application with some ActiveRecord validators.

Bidirectional mappings between models and external views for Rails.

Obligatory description when the summary suits.

Workflow specifically for ActiveModel objects.

A software model in Ruby for the greenhouse gas emissions of an rail_trip

ActiveRecord backend for DelayedJob

RakeAR is a Ruby Gem containing some common Rake tasks to help manage your ActiveRecord database independant of Rails.

Data migration tool using (ruby)Active Record.

Providing analytics as a DSL to an InfobrightCE database

RandomizedField is a simple ActiveRecord module that populates a field with a unique, randomly-generated string. This is useful for generating one-off tokens or creating a non-incrementing unique ID. See the project page for example uses.

Randomize the `id` attribute of ActiveRecord objects.

The easiest way to get random records from database with best performance that you ever seen.

Returns a random record for Ruby Models using ActiveRecord

Generate random but unique ids for your active record records.

use as active record relation method

Splits database ranges into lower and upper attributes in ActiveRecord

ActiveRecord extension for ranking/storing records

Variation of ranked-model using Pg HStore.