Explaination of code required

[Lykurg]

No, QSettings only uses a local file to store a once made connection (The one after you have pressed the get fortune button). And that has nothing to do with Trolltech. It is just a name to identify the settings object (file). See QCoreApplication::setOrganizationName().

how do i access a computer on network of which only IP address is known to me.

Fill in the informations at server name and server port.