title: Django: Override Debug=True from manage.py runserver command
body: <p>Is there an easy way to tell Django's <code>runserver</code> to override a single variable in the <code>settings.py</code> file?</p>
  
  <p>I would love to be able to call:</p>
  
  <pre><code>python manage.py runserver 0.0.0.0:8000 Debug=False
  </code></pre>
  
  <p>Any thoughts?</p>
  
  <p>Motive:  have a particular site where there are hundreds of database queries to show or save a particular page, I'd like to be able to turn off debug quickly without having to edit my settings file (which has the possibility of being forgotten).</p>