title: What are the most important things to know about Ruby?
body: <p>I am new to the language and I need to know what are the top things that are absolutely necessary to know in order to make a fully functional website or web app using the Ruby programming language?</p>
  
  <p>Mainly Ruby on Rails with Rake and other tools that mainly use Rake.</p>
  
  <p>Update: I know many other languages like C++, Java, PHP, Perl, etc, etc ....</p>
  
  <p>Update 2: This is great ... keep 'em coming!</p>