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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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How to port data-only volumes from one host to another?
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# create a new data container
$ sudo docker create -v /data --name DATA2 busybox true
# untar the backup files into the new container᾿s data volume
$ sudo docker run --rm --volumes-from DATA2 -v $(pwd):/backup busybox tar xvf /backup/backup.tar
data/
data/sven.txt
# compare to the original con...
Unable to type in Visual Studio
I am unable to edit any files in a project in Visual Studio 2013. It only happens in one project. If I open a different project I am able to type fine, but once I go back into the problem project I am unable to type in the editor windows. Not sure if it matters but the project that is giving me i...
JavaScript click event listener on class
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edited Feb 16 at 20:23
isherwood
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an...
Why use symbols as hash keys in Ruby?
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229
TL;DR:
Using symbols not only saves time when doing comparisons, but also saves memory, becau...
How to change highlighted occurrences color in Eclipse's sidebar?
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ColinDColinD
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Is there a way to word-wrap long words in a div?
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edited Oct 28 '09 at 17:36
answered Oct 28 '09 at 17:31
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In C++, if throw is an expression, what is its type?
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According to the standard, 5.16 paragraph 2 first point, "The second or the third operand (but not both) is a throw-expression (15.1); the result is of the type of the other and is an rvalue." Therefore, the conditional operator doesn't care what type a throw-expres...
Can you put two conditions in an xslt test attribute?
Is this right for When 4 < 5 and 1 < 2 ?
4 Answers
4
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