Send emails with Amazon SES with automatic blacklisting

Filter collections using predicates like Ransack gem.

Recom food.

A Ruby wrapper for the Recomiendo API.

recommendations between similar items

recommendations between similar items

This gem provides recommendations by calculating similarity scores using the Jaccard Index, Dice-Sørensen Coefficient, and collaborative filtering.

This one is responsible of interactions with mahout

Reconciliation API Framework

A tool for analysis and visualization of projects written in Ruby

recon_tools: Tools to support importing, exporting and reconciliation of data from JIRA, GoogleSheets and more..

Exposing ActiveRecord::Relations from your controllers to views is bad for business. As much as it is convenient to do so, does it really make sense that your view can use an `unscoped` version of it? More importantly, testing what is and isn't in scope of a `ActiveRecord::Relation` is REALLY h...

Reconciles items

ActiveRecord versioning

Built to mimic Python's counter method. This gem monkey patches a method to the Array class. Recordkeeper takes an array and returns a hash with a record of the number of times an element within the array is repeated

Provides a simple interface for generating and maintaining database records across multiple environments in a simple and reproducible manner.

A Base-36 encoding for integer database IDs without potentially confusing character pairs like 5 and S, B and 8, I and 1, O and 0, or Q

RecordMedium.com API gem (import and export)

Make possible get neighbors for ActiveRecord object.

Handle ActiveRecord::RecordNotUnique exceptions gracefully with customisable error messages