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
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. It also offers many scripting features to process plain text and serialized files, or manage system tasks It is simple, straightforward, and extensible. 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). 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 Returns the arc cosine of the given. 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:
Ruby 3.3.8 released posted by nagachika on 9 apr 2025 ruby 3.3.8 has been released
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