Getting started new to ruby This system is hosting the development of ruby language and its related projects Start with our getting started guide
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Core classes and modules explore the essential classes and modules
This is a list of ruby releases
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 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. Class \struct provides a convenient way to create a simple class that can store and fetch values
The first argument, a string, is the name of th
Each of these methods takes optional argument format, which has zero or more embedded format specifications (see below). Ruby’s grammar differentiates between statements and expressions All expressions are statements (an expression is a type of statement), but not all statements are expressions. '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:
