Reflective, object-oriented, dynamic high-level programming language written in C. It was developed by Yukihiro Matsumoto with the principle of intuitiveness in mind and first released in 1995. A cross-platform language, it implements multithreading regardless of the operating system. Key features of the language include object-oriented aspects like inheritance mixins, and metaclasses, as well as garbage collection, exception handling and a large standard library. It is supported on numerous cloud services including Google Cloud Platform. Released under the Ruby License and a BSD license.
Development of a payment system for a regional network of several thousand terminals with proprietary processing centre. APIs of the major international payment systems have been studied. Drivers for card scanners, sensor displays, keyboards, cash acceptors, and receipt printers have been written. A network of terminals for credit repayment has been created. The development has passed PCI DSS compliance several times.
2002–2024