Detects issuer from a number, has ActiveModel validations and translations support.

An upgrade/port of ActiveMerchant's credit card class

Credova API Ruby library.

This gem converts creole to html, then converts html to markdown.

Constructs and parses Crestron IP packets allowing you to communicate with Crestron devices without a controller

A crit bit tree, also known as a Binary Patricia Trie is a trie (https://en.wikipedia.org/wiki/Trie), also called digital tree and sometimes radix tree or prefix tree (as they can be searched by prefixes), is an ordered tree data structure that is used to store a dynamic set or associative array...

Ruby client for the 38 Degrees CRMP system.

Easy setting of hook chains on Ruby methods calls in rubtime

Ruby REST client for Delphix virtual database appliance

A Gem containing shared code for the CCS Crown Marketplace projects, for example view helpers

= crucigrama Crucigrama is a library for the generation of crosswords. The gem includes as well a simple command line tool that, making use of the library, can generate and print crosswords. == Contributing to crucigrama * Check out the latest master to make sure the feature hasn't been imple...

A simple breadcrumb plugin for rails

Crunch is an alternative MongoDB driver with an emphasis on high concurrency, atomic update operations, and document integrity. It uses the Rev event library for non-blocking writes and reads. Its API is more limited than the official Mongo Ruby driver, but simpler and more Rubyish.

Check password hash, like OpenBSD's crypt_checkpass(3) / PHP's password_verify()

A gem to encrypt data using public keys.

# Cryptophysh My attempt to produce a solution to the requirements listed [here](https://github.com/krystal/code-tasks/blob/main/password-generator.md). Essentially, a library/gem you can include in to your own code to add a `::generate_password` class method on a class. I've pushed the built g...

CSDL is a gem for producing Abstract Syntax Trees for the [DataSift CSDL Filter Language](http://dev.datasift.com/docs/csdl). Working with an AST instead of raw strings provides a simpler way to test and validate any given CSDL filter.

Utility to calculate the contrast ratio between 2 colors, for checking the level of conformance to the WCAG 2.0 criteria. Hexadecimal notation, RGB/HSL/HWB functions are supported as input formats. And a command-line interface is provided for a demonstration purpose.

inline CSS from external file(s) and/or style elment(s) in head element into style attibute of HTML elements

Filters CSV or TSV files (default) by column names