Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …

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 -e "exit 99"` stat = $? # => #<Process::Status: pid 1262862 exit 99> stat. class # => Process::Status stat. to_i # => 25344 stat. stopped? # => false stat. exited? # => true stat. …

[Misc #21385] Namespace: Suggesting a rename (eregon) "Namespace" seems to confuse many people (that feature is not about namespacing, modules do that, but about multiple execution …

Operators In Ruby, operators such as +, are defined as methods on the class. Literals define their methods within the lower level, C language. String class, for example. Ruby objects can define …

Apr 14, 2025 · Ruby crashes with a [BUG] invalid keeping_mutexes error when attempting to GC locked mutex that was used in a Thread within a Fiber context after garbage collection.

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.

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: Date#strftime. …

Apr 9, 2025 · Ruby 3.3.8 Released Posted by nagachika on 9 Apr 2025 Ruby 3.3.8 has been released. Please see the for further details. Download https://cache.ruby …

May 14, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Following this release (3.4.4), Ruby 3.4.5 is …