title: how to modify the code in a exe file after an update
body: <p>I'm having a complete program, but now, I want it to be able to be updated. So I would like to change the "code" in the executable by the new code without having to recompile it. </p>
  
  <p>Is it possible? If yes, how can I do, I coding in C++ in Qt Creator.</p>
  
  <p>Thanks for any advise/clue</p>