Ruby documentation welcome to the official ruby programming language documentation Def some_method (hash) p hash end some_method ({foo Getting started new to ruby
Ruby Gem Guide and Properties Chart
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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. 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 development.
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 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. Each of these methods takes optional argument format, which has zero or more embedded format specifications (see below). 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. Ruby 3.3.8 released posted by nagachika on 9 apr 2025 ruby 3.3.8 has been released Please see the for further details Class \struct provides a convenient way to create a simple class that can store and fetch values
The first argument, a string, is the name of th
We intend to release the latest stable ruby version (currently ruby 3.4) every two months following the most recent release Following this release (3.4.4), ruby 3.4.5 is scheduled for july, 3.4.6 for september, 3.4.7 for november, and 3.4.8 for january. The ruby standard library is a large collection of classes and modules you can require in your code to gain additional features Below is an overview of the libraries and extensions, followed by a brief description of each.
'ruby'} person # => {name Ruby} you can use a hash to give names to method arguments