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Check if Python Package is installed

... a python script, just do something like this: Python 3.3+ use sys.modules and find_spec: import importlib.util import sys # For illustrative purposes. name = 'itertools' if name in sys.modules: print(f"{name!r} already in sys.modules") elif (spec := importlib.util.find_spec(name)) is not None...
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Referencing another schema in Mongoose

... what would be the difference between populate and addToSet? – Winnemucca Apr 23 '17 at 6:50 1 ...
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Incrementing in C++ - When to use x++ or ++x?

I'm currently learning C++ and I've learned about the incrementation a while ago. I know that you can use "++x" to make the incrementation before and "x++" to do it after. ...
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server

...N *.* TO 'monty'@'%' -> WITH GRANT OPTION; Although as Pascal and others have noted it's not a great idea to have a user with this kind of access open to any IP. If you need an administrative user, use root, and leave it on localhost. For any other action specify exactly the privileges ...
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How to locate the vimrc file used by vim editor?

Is there a command in the vim editor to find the .vimrc file location? 1 Answer 1 ...
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How do I write a correct micro-benchmark in Java?

How do you write (and run) a correct micro-benchmark in Java? 11 Answers 11 ...
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Android Fragments and animation

...Fragment Transaction. Within each Fragment Transaction you can specify in and out animations that will be used for show and hide respectively (or both when replace is used). The following code shows how you would replace a fragment by sliding out one fragment and sliding the other one in it's pla...
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recursion versus iteration

...rrect to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration? ...
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TortoiseGit save user authentication / credentials

...UI to switch on/off credential helper. It supports git-credential-wincred and git-credential-winstore. TortoiseGit 1.8.16 add support for git-credential-manager (Git Credential Manager, the successor of git-credential-winstore) For the first time you sync you are asked for user and password, you ...
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Performing Breadth First Search recursively

... traversal traditionally uses a queue, not a stack. The nature of a queue and a stack are pretty much opposite, so trying to use the call stack (which is a stack, hence the name) as the auxiliary storage (a queue) is pretty much doomed to failure, unless you're doing something stupidly ridiculous w...