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How to remove a key from a Python dictionary?
When deleting a key from a dictionary, I use:
13 Answers
13
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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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Difference in make_shared and normal shared_ptr in C++
Many google and stackoverflow posts are there on this, but I am not able to understand why make_shared is more efficient than directly using shared_ptr .
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How to see which plugins are making Vim slow?
...e *
" At this point do slow actions
:profile pause
:noautocmd qall!
(unlike quitting noautocmd is not really required, it just makes vim quit faster).
Note: you won’t get information about functions there were deleted before vim quit.
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Redirecting Output from within Batch file
...fficiently by redirecting to undefined handles outside a parenthesized block or subroutine, and then use the & notation to reference the already opened files.
call :sub 9>File1.txt 8>File2.txt
exit /b
:sub
echo Screen message 1
>&9 File 1 message 1
>&8 File 2 message 1
echo...
How do I find the stack trace in Visual Studio?
I ask because I couldn't find the stack trace in Visual Studio, while debugging an exception that occurred.
7 Answers
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How to trigger a click on a link using jQuery
I have a link:
10 Answers
10
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What's up with Java's “%n” in printf?
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From a quick google:
There is also one specifier that doesn't correspond to an argument. It is "%n" which outputs a line break. A "\n" can also be used in some cases, but since "%n" always outputs the correct platform-specific line ...
Static variables in member functions
Can someone please explain how static variables in member functions work in C++.
4 Answers
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How to switch back to 'master' with git?
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You need to checkout the branch:
git checkout master
See the Git cheat sheets for more information.
Edit: Please note that git does not manage empty directories, so you'll have to manage them yourself. If your directory is empty, just re...