Download Ruby
See the Installation page for details on building Ruby from source. If you have an issue compiling Ruby, consider using one of the third party tools mentioned above.
Documentation - Ruby Programming Language
The Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries.
index - Documentation for Ruby 3.5
Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …
Ruby Documentation
In the Playground you can try any Ruby code you like. The Official Ruby documentation is included.
class Regexp - Documentation for Ruby 3.5
Identical regexp can or cannot run in linear time depending on your ruby binary. Neither forward nor backward compatibility is guaranteed about the return value of this method.
Security - Ruby Programming Language
Oct 2, 2005 · If you have found an issue that affects a specific Ruby community’s gem, follow the instructions on RubyGems.org. To get in touch with the security team directly outside of …
building_ruby - Documentation for Ruby 3.5
Miniruby is a version of Ruby which has no external dependencies and lacks certain features. It can be useful in Ruby development because it allows for faster build times.
module Math - Documentation for Ruby 3.5
See class Float for the constants that affect Ruby’s floating-point arithmetic. What’s Here Trigonometric Functions ::cos: Returns the cosine of the given argument. ::sin: Returns the …
Ruby 3.3.8 Released - Ruby Programming Language
Apr 9, 2025 · Ruby 3.3.8 Released Posted by nagachika on 9 Apr 2025 Ruby 3.3.8 has been released. Please see the for further details. Download https://cache.ruby …
exceptions - Documentation for Ruby 3.5
Ruby code can raise exceptions. Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled.