The shown dates correspond to the publication dates of the english versions of release posts and may differ from the actual creation dates of the source tarballs. 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 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. 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. Each of these methods takes optional argument format, which has zero or more embedded format specifications (see below).
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: For this case, the pin operator ^ can be used, to tell ruby “just use this value as part of the pattern” Expectation = 18 case [1, 2] in ^expectation, *rest matched #{expectation} end #=> not matched
You can redistribute and/or modify it under the same terms as ruby The set class implements a collection of unordered values with no duplicates Set is easy to use with enumerable objects (implementing ‘each`). Matz] = the ruby language books [
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