[Qt-interest] any better method to make sure only one instance is running

[James Yan]

i want that only one instance of my application will be running, so google and got this page:
http://wiki.forum.nokia.com/index.php/Run_only_one_instance_of_a_Qt_application
 
I've try some, but it looks like not so "native", where's QtSingleApplication class? which one is the better method?
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