Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorit...

Rails is a web-application framework that includes everything needed to create database-backed web applicat...

PostgreSQL is an advanced object-relational database management system that supports an extended subset of...

Git is a free and open source distributed version control system designed to handle everything from small t...

nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoe...

Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and ru...

Get going fast with the graphql gem, battle-tested and trusted by GitHub and Shopify.