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Ruby is an interpreted, high-level, general-purpose, open-source programming language. It was designed and developed in the mid-1990s. Ruby is dynamically typed and uses garbage collection. It supports multiple programming paradigms, including procedural, object-oriented, and functional programming. Ruby is used for simulations, 3D modeling, business, robotics, telephony, web applications, web servers, system utilities, security, database work, backups, parsing, even biology and medicine.



Documentation thorough collection of Ruby study notes for those who are new to the language and in search of a solid introduction to Ruby’s concepts and constructs. Essentials is a free on-line book designed to provide a concise and easy to follow guide to learning Ruby. free online manual with beginner and intermediate content plus a thorough language reference. official Ruby API documentation for different versions including the currently unreleased (trunk) version.

Documents the standard library. tutorial that covers various concepts and gives detailed examples.
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