Ruby comes with a program that will show the results of any Ruby statements you feed it. Playing with Ruby code in interactive sessions like this is a terrific way to learn the language.

If you cannot compile your own Ruby, and you do not want to use a third-party tool, you can use your system’s package manager to install Ruby. Some members of the Ruby community feel …

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …

Dec 25, 2024 · Ruby was first developed by Matz (Yukihiro Matsumoto) in 1993, and is now developed as Open Source. It runs on multiple platforms and is used all over the world …

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.

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 …

Operators In Ruby, operators such as +, are defined as methods on the class. Literals define their methods within the lower level, C language. String class, for example. Ruby objects can define …

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.

class Struct: Class \Struct provides a convenient way to create a simple class that can store and fetch values. tt>; the first argument, a string, is the name of th

Mar 26, 2025 · Please see the GitHub releases for further details. This version is a last version of normal maintenance for Ruby 3.2 series. We will fix only security issues for Ruby 3.2 series …