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Create a “with” block on several context managers? [duplicate]
Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket.
You can acquire them by:
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Numbering rows within groups in a data frame
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Windows batch: sleep [duplicate]
How do I get a Windows batch script to wait a few seconds?
12 Answers
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How to assign name for a screen? [closed]
I'm using the screen multiplexer tool on the command shell and open a lot of screens. I then forget which process ID associates with which task.
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Find and restore a deleted file in a Git repository
Say I'm in a Git repository. I delete a file and commit that change. I continue working and make some more commits. Then, I find I need to restore that file.
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Display name of the current file in vim?
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C++ deprecated conversion from string constant to 'char*'
I have a class with a private char str[256];
11 Answers
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How to store a command in a variable in a shell script?
I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself)
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How well is Unicode supported in C++11?
I've read and heard that C++11 supports Unicode. A few questions on that:
5 Answers
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Are there any downsides to passing structs by value in C, rather than passing a pointer?
Are there any downsides to passing structs by value in C, rather than passing a pointer?
10 Answers
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