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Argparse: Way to include default values in '--help'?

Suppose I have the following argparse snippet: 3 Answers 3 ...
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Stop node.js program from command line

I have a simple TCP server that listens on a port. 19 Answers 19 ...
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Regular expression matching a multiline block of text

... having a bit of trouble getting a Python regex to work when matching against text that spans multiple lines. The example text is ('\n' is a newline) ...
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?

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Give all the permissions to a user on a DB

I would like to give an user all the permissions on a database without making it an admin. The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on...
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU? ...
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How to list only top level directories in Python?

I want to be able to list only the directories inside some folder. This means I don't want filenames listed, nor do I want additional sub-folders. ...
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Can I start the iPhone simulator without “Build and Run”?

I want to delete an app in the simulator before I "build and run". How can I start the simulator so I can do the deletion? If I start it by "build and run" I get a long log output that takes a while because of a bug I'm trying to fix. I'd like to avoid that. ...
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Sleep for milliseconds

I know the POSIX sleep(x) function makes the program sleep for x seconds. Is there a function to make the program sleep for x milliseconds in C++? ...
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What does value & 0xff do in Java?

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