It has an elegant syntax that is natural to read and easy to write Download ruby or read more. See the installation page for details on building ruby from source If you have an issue compiling ruby, consider using one of the third party tools mentioned above. 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 In the playground you can try any ruby code you like The official ruby documentation is included. 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 3.4.6 is scheduled for september, 3.4.7 for november, and 3.4.8 for january. 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'} 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: Encode # => ruby™ t 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