index - Documentation for Ruby 4.0
Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …
Ruby 4.0.0 preview2 Released - Ruby Programming Language
5 days ago · 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 especially for web …
class Regexp - Documentation for Ruby 4.0
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.
exceptions - Documentation for Ruby 4.0
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.
strftime_formatting - Documentation for Ruby 4.0
Formats for Dates and Times Several Ruby time-related classes have instance method strftime, which returns a formatted string representing all or part of a date or time: Date#strftime. DateTime#strftime. …
module Math - Documentation for Ruby 4.0
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 sine of the given …
class Thread - Documentation for Ruby 4.0
Threads are the Ruby implementation for a concurrent programming model. Programs that require multiple threads of execution are a perfect candidate for Ruby’s Thread class.
literals - Documentation for Ruby 4.0
TWO 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 …
class Hash - Documentation for Ruby 4.0
person = {name: 'Matz', language: 'Ruby'} person # => {name: "Matz", language: "Ruby"} You can use a hash to give names to method arguments: def some_method (hash) p hash end some_method ({foo: …
Ruby Issue Tracking System
This system is hosting the development of Ruby language and its related projects. You must register your account and activate it via an email before reporting issues.