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- rubygems - What is a Ruby gem? - Stack Overflow
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 The gem command is used to build, upload, download, and install Gem packages Gem
- How do I create a ruby Hello world? - Stack Overflow
I know the question was talking about Ruby, but I think you meant rails (which is what it was tagged as) Rails is a web framework that uses the ruby programming language
- syntax - What is Rubys double-colon `::`? - Stack Overflow
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
- Is Ruby a scripting language or an interpreted language?
So is Ruby interpreted or compiled? Neither term is meaningful unless you define it ;) But back to the question: "Scripting language" isn't a property of the language either, it depends on how the language is used - namely, whether the language is used for scripting tasks
- How to understand nil vs. empty vs. blank in Ruby
57 One difference is that nil? and empty? are methods that are provided by the programming language Ruby, whereas blank? is something added by the web development framework Rails
- What does . (ampersand dot) mean in Ruby? - Stack Overflow
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
- What is the difference between Ruby and Ruby on Rails?
14 Ruby is an interpreted scripting language for quick and easy object-oriented programming Ruby is a programming Language Ruby on Rails is web-development framework You can read more in "Small Discussion about Ruby on Rails"
- What does it mean for a programming language to be on rails?
To address your confusion with the metaphor (though it has been answered in other words under your question): Groovy is to Grails as Ruby is to Ruby on Rails, but what does that mean? Grails was a web framework built on with the Groovy programming language to do the same thing for Groovy that Rails (a web framework for Ruby) does for Ruby
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