September 2015
Intermediate to advanced
648 pages
17h 20m
English
book
Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming
by Mark Summerfield
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19. Multithreading
Traditionally, applications have a single thread of execution and perform one operation at a time. For GUI programs this can sometimes be a problem—for example, if the user invokes a long-running operation, the user interface might freeze up while the operation is taking place. There are a few solutions that can be tried to eliminate this problem.
One simple solution, particularly useful in long-running loops, is to call QApplication.processEvents(). This method gives the event loop the opportunity to handle any unprocessed events, such as paint events, as well as mouse and key press events.Another solution is to use zero-timeout ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.