delay-timer | Like crontab | Job Scheduling library
kandi X-RAY | delay-timer Summary
kandi X-RAY | delay-timer Summary
Time-manager of delayed tasks. Like crontab, but synchronous asynchronous tasks are possible scheduling, and dynamic add/cancel/remove is supported.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of delay-timer
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QUESTION
I have been writing a program which runs a remote script on server. So, I need to show the progress with a bar but somehow when I run my code, GUI start to freeze. I have used QThread and SIGNAL but unfortunately couldnt be succedeed.
Here is my code below;
...ANSWER
Answered 2017-Mar-14 at 13:03There are really two problems. One thing I have noticed is that Python threads are greedy if they are not used for IO operations like reading from a serial port. If you tell a thread to run a calculation or something that is not IO related a thread will take up all of the processing and doesn't like to let the main thread / event loop run. The second problem is that signals are slow ... very slow. I've noticed that if you emit a signal from a thread and do it very fast it can drastically slow down a program.
So at the heart of the issue, the thread is taking up all of the time and you are emitting a signal very very fast which will cause slow downs.
For clarity and ease of use I would use the new style signal and slots. http://pyqt.sourceforge.net/Docs/PyQt4/new_style_signals_slots.html
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Install delay-timer
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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