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 …
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.
Documentation for Ruby 3.3
Ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or manage system …
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 …
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.
strftime_formatting - Documentation for Ruby 3.5
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. …
control_expressions - Documentation for Ruby 4.0
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.
class Struct - Documentation for Ruby 3.5
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
Ruby 3.2.8 Released - Ruby Programming Language
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 …
class Hash - Documentation for Ruby 3.5
self. language = hash [:language] end end matz = Dev. new (name: 'Matz', language: 'Ruby') matz # => #<Dev: @name="Matz", @language="Ruby"> Creating a Hash You can create a Hash …