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Some members of the ruby community feel that you should avoid package managers to install ruby and that you should use dedicated tools instead. Please see the for further details Ruby documentation welcome to the official ruby programming language documentation
Getting started new to ruby Ruby 3.3.8 released posted by nagachika on 9 apr 2025 ruby 3.3.8 has been released 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. 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
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