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Ruby, as a language, has a few different implementations Schemes an internet uri has a scheme This page has been discussing the reference implementation, in the community often referred to as mri (“matz’s ruby interpreter”) or cruby (since it is written in c), but there are also others.

Ruby documentation welcome to the official ruby programming language documentation It provides, among others, methods scheme, hostname, path, query, and fragment Getting started new to ruby

Start with our getting started guide

Core classes and modules explore the essential classes and modules 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. Operators in ruby, operators such as +, are defined as methods on the class

Literals define their methods within the lower level, c language Ruby objects can define or overload their own implementation for most operators 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.

What’s here trigonometric functions ::cos

Returns the cosine of the given argument Returns the sine of the given argument Returns the tangent of the given argument Returns the arc cosine of the given.

Ruby user groups are entirely devoted to ruby They typically feature monthly meetings, a mailing list, a website, and if you’re lucky, frequent hacking sessions (meetings devoted to giving people a chance to write ruby code). Symbol literals a symbol represents a name inside the ruby interpreter See symbol for more details on what symbols are and when ruby creates them internally

You may reference a symbol using a colon

Ruby’s grammar differentiates between statements and expressions All expressions are statements (an expression is a type of statement), but not all statements are expressions. It consists of some or all of Scheme, hostname, path, query, and fragment

A ruby uri::generic object represents an internet uri

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