The koans walk you along the path to enlightenment in order to learn ruby The ruby processing system rdoc, for example, has one that can be used elsewhere The goal is to learn the ruby language, syntax, structure, and some common functions and libraries.
Whatever happened to Ruby? | InfoWorld
In the playground you can try any ruby code you like
The official ruby documentation is included.
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
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 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.
Language = hash [:language] end end matz = dev
'ruby') matz # => #<dev @name=matz, @language=ruby> creating a hash you can create a hash object explicitly with You can convert certain objects to hashes with You can create a hash by calling method hash.new:
We intend to release the latest stable ruby version (currently ruby 3.4) every two months following the most recent release Ruby 3.4.6 is scheduled for september, 3.4.7 for november, and 3.4.8 for january.
