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Find and kill a process in one line using bash and regex
...)
Details on its workings are as follows:
The ps gives you the list of all the processes.
The grep filters that based on your search string, [p] is a trick to stop you picking up the actual grep process itself.
The awk just gives you the second field of each line, which is the PID.
The $(x) cons...
libpng warning: iCCP: known incorrect sRGB profile
...geMagick's
convert in.png out.png
To remove the invalid iCCP chunk from all of the PNG files in a folder (directory), you can use mogrify from ImageMagick:
mogrify *.png
This requires that your ImageMagick was built with libpng16. You can easily check it by running:
convert -list format | gre...
How to remove outliers from a dataset
... something, or not so much. That's why (at least in biology) the median usually says more about a population than the mean.
– Rodrigo
Feb 11 '17 at 3:17
|...
How to select the nth row in a SQL database table?
...upports the standard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
FROM tablename
) AS foo
WHERE rownumber <= n
(which I just copied from the site linked above since I never use those DBs)
Update: As of PostgreSQL 8.4 the st...
MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
...port.
For the client, you can specify it on the command line:
mysql --max_allowed_packet=100M -u root -p database < dump.sql
Also, change the my.cnf or my.ini file under the mysqld section and set:
max_allowed_packet=100M
or you could run these commands in a MySQL console connected to that...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
...ontent="IE=7; IE=9" />
Renders IE7 and IE8 as IE7, but IE9 as IE9. It allows for different levels of backwards compatibility. In real life, though, you should only chose one of the options:
<meta http-equiv="X-UA-Compatible" content="IE=8" />
This allows for much easier testing and mai...
Opening Vim help in a vertical split window
... when I run :help ____ it always opens like that?
– Tallboy
May 7 '12 at 20:37
13
@Tallboy Try cn...
How can I rotate an HTML 90 degrees?
...
Just as a suggestion to all future readers: always place the prefixed rules before the standards definition. In this case, all browser-prefixed rules should be before the transform: rotate(90deg); rule. The reason would be that typically, you want t...
sphinx-build fail - autodoc can't import/find module
...can use the Makefile created by Sphinx to create your documentation.
Just call
make
to see the options.
If something went wrong before try:
make clean
before running make html.
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improv...
Print list without brackets in a single row
...
print(', '.join(names))
This, like it sounds, just takes all the elements of the list and joins them with ', '.
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