
Is Ruby a functional language? - Stack Overflow
Oct 1, 2008 · The type of language is defined by the programming styles it supports; that, in turn, is decided by the features it has. First-class and anonymous functions = minimal functional programming. Ruby supports OO programming but doesn't require it: you never need to define a class. Hence, multi-paradigm. –
syntax - What is Ruby's double-colon `::`? - Stack Overflow
Jun 10, 2010 · As Matz delineates in his book, 'The Ruby Programming Language', constant lookup has multiple steps. First, it searches a constant in the lexical scope where the constant is referenced. If it does not find the constant within the lexical scope, it then searches the inheritance hierarchy. Because of this constant lookup algorithm, below we get ...
rubygems - What is a Ruby gem? - Stack Overflow
Aug 30, 2016 · According to RubyGems Wiki - RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries (in a self-contained format called a "gem"), a tool designed to easily manage the installation of gems, and a server for distributing them.
What does it mean for a programming language to be "on rails"?
Oct 8, 2008 · Ruby and Groovy are languages. Ruby on Rails is a ground-breaking webapp framework. See excellent answers on opinionated software above. As a matter of history, a working title for a Groovy webapp framework was Groovy on Rails. However the RoR community objected. The team chose Grails instead.
Is Ruby a scripting language or an interpreted language?
Sep 2, 2011 · There are indeed a few programs that use Ruby for scripting tasks, and there are doubtless numerous free-standing Ruby programs that would likely qualify as scripts (web scraping, system administration, etc). So yes, I guess one can call Ruby a scripting language. Of course that doesn't mean a ruby on rails web app is just a script.
Hidden features of Ruby - Stack Overflow
Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language. Try to limit this discussion with core Ruby, without any Ruby on Rails stuff. See also: Hidden features of C#; Hidden features of Java; Hidden features of JavaScript; Hidden features of Ruby on Rails; Hidden features of ...
How do I create a ruby Hello world? - Stack Overflow
Jan 11, 2023 · To run Ruby scripts on the web, you need to use a special server, run through (F)CGI, or do some other stuff; there are several ways to get different languages HTTP-accessible. However, the simplest way is probably to use a Ruby web framework, such as Ruby on Rails or Merb -- these projects include servers and all of the things you need to get ...
What does &. (ampersand dot) mean in Ruby? - Stack Overflow
Apr 23, 2016 · In Ruby, like in most mainstream programming languages, user code cannot modify the fundamental workings of the programming languages, nor can it change the programming language's syntax. Since Ruby on Rails is just Ruby code, it should be immediately obvious that this cannot possibly have anything to do with Ruby on Rails.
What's the differences between Ruby On Rails and Ruby?
Dec 3, 2011 · Ruby is the actual programming language that you code in. It is analogous to php, python or C. Ruby on Rails is the framework for the ruby programming language that essentially organizes your ruby files, creates abstractions for generating files, and imposes specific rules for your programming to standardize and streamline the development experience.
How to write a switch statement in Ruby - Stack Overflow
Jun 4, 2009 · On around page 123 of The Ruby Programming Language (1st Edition, O'Reilly) on my Kindle, it says the then keyword following the when clauses can be replaced with a newline or semicolon (just like in the if then else syntax). (Ruby 1.8 also allows a colon in place of then, but this syntax is no longer allowed in Ruby 1.9.)