Playing with ruby code in interactive sessions like this is a terrific way to learn the language. Some members of the ruby community feel that you should avoid package managers to install ruby and that you should use dedicated tools instead. 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 Class foo < string def + (str) self 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 essential classes and modules
It runs on multiple platforms and is used all over the world especially for web development. 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. 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 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'} person # => {name Ruby} you can use a hash to give names to method arguments Def some_method (hash) p hash end some_method ({foo When the last argument in a method call is a hash, the curly braces may be omitted:
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