title: Django: Add response header when using render or render_to_response
body: <p>How do I add a response header to a Django response? I have:</p>
  
  <pre><code>response = HttpResponse()
  response['Cache-Control'] = 'no-cache'
  
  return render(request, "template.html", {}) 
  
  # Alternately using render_to_response
  # return render_to_response("template.html", {})
  </code></pre>