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I am trying to implement a Login process with QT, and I'm curious about the safety of the QLineEdit widget. As I have seen online it seems that password remains stored even when QLineEdit is destroyed. Does overwriting with QLineEdit::setText("mplampla"); solve the problem, or is the previous value kept somewhere?

AAEM
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LeFrillo
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    What are you trying to protect? What do you mean with stored? in RAM? Any sources? – RvdK Feb 22 '16 at 08:05
  • Have you tried setting the `echoMode()` to `Password`? It makes the `QLineEdit` *write-only*. Also can you point a source that states what you are quoting in your post? – rbaleksandar Feb 22 '16 at 11:35
  • Possible duplicate of [QLineEdit password safety](http://stackoverflow.com/questions/20048081/qlineedit-password-safety) – rbaleksandar Feb 22 '16 at 11:36
  • @rbaleksandar the post is actually from the link you provided, it is in fact the first answer. I specifically asked this cause I lack the points to comment my question below Thomas's answer... – LeFrillo Feb 22 '16 at 16:51

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