Ruby is a simple and powerful object-oriented programming language, created by Yukihiro Matsumoto (who goes by the handle “Matz” in this document and on the mailing lists).

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 is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl).

Initially, it contains the command-line arguments and options that are passed to the Ruby program; the program can modify that array as it likes. ARGF may be thought of as the …

A simple example of using dir_string is as follows. File. expand_path ("ruby", "/usr/bin") #=> "/usr/bin/ruby" A more complex example which also resolves parent directory is as follows. …

books [: matz] = "The Ruby Language" books [: black] = "The Well-Grounded Rubyist" Hashes are also commonly used as a way to have named parameters in functions.

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.

In the simplest case, the dumped string contains the original string, enclosed in double-quotes; this example is done in irb (interactive Ruby), which uses method ‘inspect` to render the results:

I'm a ruby programmer without much C experience, but as a challenge, I tried to figure out how to debug the ruby source code on windows. I think the easiest way to build is to use ruby-loco [1]. …

Does Ruby have class methods? A singleton method of a class object is called a class method. (Actually, the class method is defined in the metaclass, but that is pretty much transparent). …