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Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
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Why does Javascript getYear() return 108?
Why does this javascript return 108 instead of 2008? it gets the day and month correct but not the year?
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Disposing WPF User Controls
I have created a custom WPF user control which is intended to be used by a third party. My control has a private member which is disposable, and I would like to ensure that its dispose method will always get called once the containing window/application is closed. However, UserControl is not disposa...
Catch multiple exceptions at once?
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TryParse never throws exceptions and returns false if format is wrong, setting WebId to Guid.Empty.
Since C# 7 you can avoid introducing a variable on a separate line:
Guid.TryParse(queryString["web"], out Guid webId);
You can also create methods for parsing returning tuples, which aren't ...
How do I change the working directory in Python?
cd is the shell command to change the working directory.
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Reading CSV file and storing values into an array
I am trying to read a *.csv -file.
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
I am trying to set up multiple setting files (development, production, ..) that include some base settings. Cannot succeed though. When I try to run ./manage.py runserver I am getting the following error:
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Empty set literal?
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No, there's no literal syntax for the empty set. You have to write set().
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Java: Clear the console
Can any body please tell me what code is used for clear screen in Java? For example in C++
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