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Re: Python and Qt4 Designer

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On 07/15/2012 01:58 AM, Vincent Vande Vyvre wrote:
> Rusi is not the op, and his question is about these lines
> 
>     app = None
>     if ( not app ):

Yeah that's a no-op.  The original author of that code is clearly
confused there.

> 
> not this one
> 
>         app = QtGui.QApplication([])
> 
> which should be written like this
> 
>         app = QtGui.QApplication(sys.argv)

Yeah.  The QApplication not only is the main engine, but it also parses
the command-line for certain flags that influence Qt's behavior, similar
to gtk's main function that also parses command-line flags (specific to
gtk's operation).

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Thread

[newbie] Python and Qt4 Designer Jean Dubois <jeandubois314@gmail.com> - 2012-07-11 08:37 -0700
  Re: [newbie] Python and Qt4 Designer Vincent Vande Vyvre <vincent.vandevyvre@swing.be> - 2012-07-12 02:59 +0200
    Re: Python and Qt4 Designer Jean Dubois <jeandubois314@gmail.com> - 2012-07-11 23:42 -0700
      Re: Python and Qt4 Designer Vincent Vande Vyvre <vincent.vandevyvre@swing.be> - 2012-07-13 03:52 +0200
        Re: Python and Qt4 Designer Jean Dubois <jeandubois314@gmail.com> - 2012-07-13 14:12 -0700
          Re: Python and Qt4 Designer Michael Torrie <torriem@gmail.com> - 2012-07-14 08:45 -0600
            Re: Python and Qt4 Designer rusi <rustompmody@gmail.com> - 2012-07-14 10:13 -0700
              Re: Python and Qt4 Designer Michael Torrie <torriem@gmail.com> - 2012-07-14 23:31 -0600
              Re: Python and Qt4 Designer Vincent Vande Vyvre <vincent.vandevyvre@swing.be> - 2012-07-15 09:58 +0200
              Re: Python and Qt4 Designer Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-07-15 08:42 -0400
              Re: Python and Qt4 Designer Michael Torrie <torriem@gmail.com> - 2012-07-16 07:56 -0600
              Re: Python and Qt4 Designer Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-07-16 13:07 -0400
        Re: Python and Qt4 Designer Jean Dubois <jeandubois314@gmail.com> - 2012-07-13 14:12 -0700

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