The ruby standard library is a large collection of classes and modules you can require in your code to gain additional features.Below is an overview of the libraries and extensions, followed by a brief …Formats for dates and times several ruby time-related classes have instance method strftime, which returns a formatted string representing all or part of a date or time:See class float for the constants that affect ruby’s floating-point arithmetic.What’s here trigonometric functions ::cos:Returns the cosine of the given argument.Returns the sine of the given …
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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 …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.Two symbol literals a symbol represents a name inside the ruby interpreter.See symbol for more details on what symbols are and when ruby creates them internally.You may reference a symbol …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.This system is hosting the development of ruby language and its related projects.You must register your account and activate it via an email before reporting issues.Ruby supports leap seconds as far as if the c function localtime and gmtime supports it.They use the tz database in most unix systems.The tz database has timezones which supports leap seconds.