title: Easily comment (C++) code in vim
body: <p>I have looked at the following question:</p>
  
  <p><a href="https://stackoverflow.com/questions/2561418/how-to-comment-out-a-block-of-python-code-in-vim">How to comment out a block of Python code in Vim</a></p>
  
  <p>But that does not seem to work for me. How do I comment code easily without resorting to plugins/scripts?</p>