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Sorting a tab delimited file
...) worked for me.
Type the tab character within the double quotes.
C:\>cat foo.bat
sort -k3 -t" " tabfile.txt
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What does “export” do in shell programming? [duplicate]
... Yes - because they are copied for use by the subshell. And thus any modification in the subshell will have no effect as the copy is dropped on return-from-subshell: Subshells, environment variables, and scope. The same happens for environment variables: the are copied - but for any kind of subproce...
Getting an “ambiguous redirect” error
...s redirect
$ echo $AAAA" "$DDDD" "$MOL_TAG >> "${var}"
$ cat file\ with\ spaces
aaaa dddd mol_tag
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Making an iframe responsive
...
I present to you The Incredible Singing Cat solution =)
.wrapper {
position: relative;
padding-bottom: 56.25%; /* 16:9 */
padding-top: 25px;
height: 0;
}
.wrapper iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height...
Context switches much slower in new linux kernels
...ware.
To see which cpuidle driver is currently active in your setup, just cat the current_driver file in the cpuidle section of /sys/devices/system/cpu as follows:
cat /sys/devices/system/cpu/cpuidle/current_driver
If you want your modern Linux OS to have the lowest context switch latency possib...
Convert decimal to hexadecimal in UNIX shell script
...ant to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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Tomcat: How to find out running tomcat version
I'm trying to get Appfuse + tomcat + jRebel working.
27 Answers
27
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Execute bash script from URL
...m/myscript.txt)
It may be clearer if you look at the output of echo <(cat /dev/null)
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How to correct TypeError: Unicode-objects must be encoded before hashing?
... answered Sep 28 '11 at 15:09
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Is there an online name demangler for C++? [closed]
...ove. You just need to modify the command line to run something like this:
cat main.cpp | c++filt -t
See it live with this example which demangles:
_Z6kernelIfLj3EEvPT_5arrayIPKS0_XT0_EES5_S2_IjXT0_EES6_S0_
to:
void kernel<float, 3u>(float*, array<float const*, 3u>, array<float ...