title: How to compile on save?
body: <p>I would like to compile the project every time I save, but in properties this option is greyed, so for any change I do I have to click save then clean and build.</p>
  
  <p><img src="https://i.stack.imgur.com/KX2lw.png" alt="enter image description here"></p>
  
  <p>How can I do to avoid to clean and build for every code modification?</p>