ProcessScheduler | Operating System Jobs - Simulation of Four Process
kandi X-RAY | ProcessScheduler Summary
kandi X-RAY | ProcessScheduler Summary
Operating System Jobs - Simulation of Four Process Scheduling Algorithms
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QUESTION
I am working on a project of visualization of OS Job Scheduling Algorithms in Python with GUI library - PyQt5. Clicking the generate graph button, I want to display a graph in a new window. I have made an attempt to implement but the problem is the I am not able to close new window in which graph is displayed without closing the main window. Below is the code I implemented.
The main program file - ProcessScheduler.py
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...ANSWER
Answered 2020-Dec-03 at 08:34You have set the windowModality of the window to ApplicationModal
, which means that it will be blocking any interaction with any other widget/window until it's closed.
The simple solution is to remove that line from your code.
If you used Designer, instead, the right solution is to open the ui file in Designer, unset that property, save the file, recreate the ui file with pyuic and never modify it again, but use it as a module as suggested in the official documentation about using Designer. Files created with pyuic should never be modified (nor you should ever try to mimic their behavior).
Besides that, importing a function within a class to use it as an instance method is not a good approach.
QUESTION
I have a requirement to delete a contact from the native contacts list using just the MSISDN. At the moment, I'm going through all the contacts and doing a match on the number to get the name. Is there a more efficient way to do this?
Here is my code:
getting all the native contacts:
...ANSWER
Answered 2020-Jun-23 at 11:32I spot a few issues here.
First of all your requirement is not clear, are you meant to delete ALL contacts that contain this phone number? A phone number is not a unique identifier, it can be shared by more then one contact, are you supposed to delete all of those contacts?
You're iterating through all contacts just to get the name? Why would you need a name to delete a contact, that is also a non-unique identifier, there might be multiple contacts with the same name AND same number.
You're doing too many steps here, I see you're already familiar with the PHONE_LOOKUP table, you simply need to use it in order to delete the contacts with the requested phone number.
Code example (not tested):
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