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How to show line number when executing bash script
...d stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibition gen...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...pidfile:
LOCKFILE=/tmp/lock.txt
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
echo "already running"
exit
fi
# make sure the lockfile is removed when we exit and then claim it
trap "rm -f ${LOCKFILE}; exit" INT TERM EXIT
echo $$ > ${LOCKFILE}
# do stuff
sleep 1000
r...
nginx upload client_max_body_size issue
...
Solution works for me on openshift php7 nginx.
– marlo
Sep 28 '16 at 3:56
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How to change the author and committer name and e-mail of multiple commits in Git?
..._NAME"
export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
fi
' --tag-name-filter cat -- --branches --tags
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How to build Qt for Visual Studio 2010
...elow link and it might be useful
1)https://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Developers/Build_Instructions/Prerequisites/Qt#Windows_3
2)http://eecs.vanderbilt.edu/research/hmtl/wp/index.php/qt-vs/
sha...
vim, switching between files rapidly using vanilla Vim (no plugins)
....html normal! mH
autocmd BufLeave *.js normal! mJ
autocmd BufLeave *.php normal! mP
augroup END
I recently found this gem in someone else's ~/.vimrc. It creates a file mark at the exact position of the cursor whenever you leave a buffer so that, wherever you are, 'J jumps to the latest Java...
Multiple commands in gdb separated by some sort of delimiter ';'?
..."s")) ; print(gdb.execute("bt"))
It's possible to wrap this up into a dedicated command, here called "cmds", backed by a python definition.
Here's an example .gdbinit extended with a function to run multiple commands.
# multiple commands
python
from __future__ import print_function
import gdb
c...
MIN and MAX in C
... @caf: wouldn't that require that the preprocessor have a more complicated knowledge of C syntax?
– dreamlax
Aug 9 '10 at 5:34
3
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How do you use the “WITH” clause in MySQL?
...it in their release branch. Apparently they "showed off" this "feature" at PHPCONFERENCE2010 in London. This comment on that bug report is telling. [7 Oct 2008 19:57] Stuart Friedberg: "Valeriy, you guys must have an unbelieveable backlog. Thirty three months between filing a request and getting a ...
How to commit changes to a new branch
...ad of git checkout your-new-branch ?
– Schrodinger's'Cat
Mar 14 '15 at 1:21
1
how about if I alre...