title: How to save a session in a Qt application?
body: <p>I made this tool in Qt Creator where i have to enter some data in spin boxes and combo boxes. Each of these boxes have a default value when I open my tool. But I would like to implement a function to save the session of the application, i.e. if i modify some values in the boxes i can save them and when I open my application again my modifications are there. And also when I am done with that data I can restore the defaults.</p>
  
  <p>Any idea as to how to do this?</p>