Ruby

ruby represents a topic that has garnered significant attention and interest. index - Documentation for Ruby 4.0. 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: String - Text manipulation and string utilities.

Symbol - Named identifiers inside the Ruby interpreter. Building on this, ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or manage system tasks. It is simple, straightforward, and extensible. 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 3.4.5 Released - Ruby Programming Language. We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Ruby 3.4.6 is scheduled for September, 3.4.7 for November, and 3.4.8 for January. default_internal = 'UTF-8' t = s. From another angle, encode # => "Ruby™" t.

encoding # => #<Encoding:UTF-8> With only argument dst_encoding given, uses that encoding: class Hash - Documentation for Ruby 2.0.0. books [: matz] = "The Ruby Language" books [: black] = "The Well-Grounded Rubyist" Hashes are also commonly used as a way to have named parameters in functions. person = {name: 'Matz', language: 'Ruby'} person # => {name: "Matz", language: "Ruby"} You can use a hash to give names to method arguments: def some_method (hash) p hash end some_method ({foo: 0, bar: 1, baz: 2}) # => {foo: 0, bar: 1, baz: 2} Note: when the last argument in a method call is a hash, the curly braces may be omitted:

It's important to note that, ruby code can raise exceptions. From another angle, 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. control_expressions - Documentation for Ruby 3.4.

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.