One Quickie

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Giving the event loop some love (General->General)

Say you're in a callback environment in the main thread, but need to update the UI, like to update a progress meter. You can give the runloop a chance to do one flip by doing:

void giveSomeLove ()
{
    // give the app some love so it'll update the window
    [[NSRunLoop currentRunLoop] runUntilDate: [NSDate distantPast]];
} // giveSomeLove