title: Whata bytes are removed while resizing with QFile().resize(qint64)?
body: <p>Can anyone please tell me ... 
  I want to remove last bytes from a file .
  So resizing this with help of resize () will resize the file size but what bytes will be removed ??
  I have int count ,
   I want to remove 'count' bytes from last of the file...</p>
  
  <p>What should i do? </p>