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How to use a variable inside a regular expression?
... answered Aug 3 '11 at 18:04
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Why doesn't JavaScript have a last method? [closed]
...de implementation of ES5, but it's good enough to know now as browsers are catching up to it fast, including IE9.
– Anurag
Jul 13 '10 at 8:49
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trying to align html button at the center of the my page [duplicate]
... {
position: absolute;
top: 50%;
}
There are many ways to skin a cat, and this is just one.
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Appending a line to a file only if it does not already exist
... Beautiful solution. This also works for triggering more complicated expressions, of course. Mine uses the echo to trigger a cat of a multiline heredoc into a config file.
– Eric L.
Jun 15 '15 at 16:10
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Sorting multiple keys with Unix sort
...2,2,b,22,Ga
2,2,c,19,Ga
2,2,c,19,Gb,hi
2,2,c,19,Gb,hj
2,3,a,9,C
~/test>cat sort.csv
2,3,a,9,C
2,2,b,20,F
2,2,c,19,Gb,hj
2,2,c,19,Gb,hi
2,2,c,19,Ga
2,2,b,22,Ga
1,10,b,22,Ga
Note the -k1,1n means numeric starting at column 1 and ending at column 1.
If I had done below, it would have concatenated...
Attach to a processes output for viewing
How would I 'attach' a console/terminal-view to an applications output so I can see what it may be saying?
7 Answers
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Select unique or distinct values from a list in UNIX shell script
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You might want to look at the uniq and sort applications.
./yourscript.ksh | sort | uniq
(FYI, yes, the sort is necessary in this command line, uniq only strips duplicate lines that are immediately after each other)
EDIT:
Contrary to what has been posted by Aaron Digu...
How does TestFlight do it?
...logs and usage information directly from your test clients and even symbolicate them if you are comfortable uploading your dsyms.
– Nick
Oct 21 '11 at 17:21
7
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Easier way to create circle div than using an image?
...erious disadvantages in terms of compatibility basically, you are making a cat bark.
See it working here
As you will see you just have to set up the height and width to half the border-radius
Good luck!
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Why number 9 in kill -9 command in unix? [closed]
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I think a better answer here is simply this:
mike@sleepycat:~☺ kill -l
1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL 5) SIGTRAP
6) SIGABRT 7) SIGBUS 8) SIGFPE 9) SIGKILL 10) SIGUSR1
11) SIGSEGV 12) SIGUSR2 13) SIGPIPE 14) SIGALRM 15) SIGTERM
16) SIGSTKFLT 17) SIGCH...