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Get the current year in JavaScript
... "Good" is subjective. There is more than one way to skin a cat, and more than one way to solve coding problems. If the solution is simple and works, then why is this not "good" in your humble opinion?
– Jerusalem Programmer
Mar 15 '19 at 12:00
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What is the most elegant way to remove a path from the $PATH variable in Bash?
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My dirty hack:
echo ${PATH} > t1
vi t1
export PATH=$(cat t1)
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How do I determine k when using k-means clustering?
...t Bischof, Ales Leonardis, and Alexander Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999.
Finally, you can start with one cluster, then keep splitting clusters until the points assigned to each cluster have a Gaussian distribution. In "Learning the k in k-means" (NIPS 2003), Greg ...
Calling JMX MBean method from a shell script
...read an attribute:
me@oddjob:jmx$ cd log4j/root/attributes
me@oddjob:jmx$ cat priority
to write an attribute:
me@oddjob:jmx$ echo "WARN" > priority
to invoke an operation:
me@oddjob:jmx$ cd Catalina/none/none/WebModule/localhost/helloworld/operations/addParameter
me@oddjob:jmx$ echo "myPar...
Why won't my PHP app send a 404 error?
...cause you have to create that file yourself.
– Super Cat
Jan 6 '15 at 4:53
@SuperCat thanks , now i reread the error a...
How to capture Curl output to a file?
...uld in most cases prefer curl http://example.com -o example_com.html & cat example_com.html | pbcopy So you wouldn't need to curl again if you accidently clear your clipboard.
– lacostenycoder
Dec 4 '19 at 10:38
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Postgres - FATAL: database files are incompatible with server
...r/pgsql_socket/.s.PGSQL.5432"?
Okay, lets take a look into server logs:
cat /usr/local/var/postgres/server.log
FATAL: database files are incompatible with server
DETAIL: The data directory was initialized by PostgreSQL version 9.2, which is not compatible with this version 9.3.5.
So, we need t...
How to set environment variable for everyone under my linux system?
...orn shell also read /etc/profile - it is probably the mostly widely used location for system environment setting. Some versions of the C shell look in /etc/csh.cshrc and /etc/csh.login as well as per-user locations; others do not use any system environment setting file.
– Jonat...
Shell command to sum integers, one per line?
...rote a rudimentary mailing list processer with an awk script run via the vacation utility. Good times. :)
– L S
Mar 7 '12 at 16:05
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How to convert all text to lowercase in Vim
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Many ways to skin a cat... here's the way I just posted about:
:%s/[A-Z]/\L&/g
Likewise for upper case:
:%s/[a-z]/\U&/g
I prefer this way because I am using this construct (:%s/[pattern]/replace/g) all the time so it's more natu...