大约有 1,832 项符合查询结果(耗时:0.0180秒) [XML]

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git add only modified changes and ignore untracked files

...git status | grep "modified:" | awk '{print "git add " $2}' > file.sh cat ./file.sh execute: chmod a+x file.sh ./file.sh Edit: (see comments) This could be achieved in one step: git status | grep "modified:" | awk '{print $2}' | xargs git add && git status ...
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Rearrange columns using cut

... What version? perl -ae print works as cat for me – pwes Jan 20 '17 at 12:33 add a comment  |  ...
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How to extract the first two characters of a string in shell scripting?

...rom a file To leave first two chars, just remove columns starting from 3 cat file | colrm 3 share | improve this answer | follow | ...
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What does “Object reference not set to an instance of an object” mean? [duplicate]

...for myPet == null... AND for myPet.PetType == null if ( myPet.PetType == "cat" ) <--- fall down go boom! share | improve this answer | follow | ...
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How to select rows that have current day's timestamp?

... in the index anyway. So, it doesn't hurt to explicitly add it (and it may catch some optimizer blind spots). It's certainly not relevant in this case/query. – ypercubeᵀᴹ Nov 5 '13 at 12:52 ...
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Bash ignoring error for a particular command

... The solution: particular_script || true Example: $ cat /tmp/1.sh particular_script() { false } set -e echo one particular_script || true echo two particular_script echo three $ bash /tmp/1.sh one two three will be never printed. Also, I want to add that when pipefai...
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Getting the last argument passed to a shell script

...=$BASH_ARGV # official built-in (but takes more typing :) That's it. $ cat lastarg #!/bin/bash # echo the last arg given: _last=${!#} echo $_last _last=$BASH_ARGV echo $_last for x; do echo $x done Output is: $ lastarg 1 2 3 4 "5 6 7" 5 6 7 5 6 7 1 2 3 4 5 6 7 ...
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Sorting arrays in NumPy by column

... I suppose this works: a[a[:,1].argsort()] This indicates the second column of a and sort it based on it accordingly. share | improve this answer | fol...
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Git repository broken after computer died

...ou to figure out what the master ref should be so you can restore it (i.e. cat the correct SHA1 into .git/refs/heads/master). In case any object contained in that commit is genuinely corrupted you can't restore your HEAD commit unfortunately. Assuming your working tree and/or index are intact you c...
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Display filename before matching line

... If you have the options -H and -n available (man grep is your friend): $ cat file foo bar foobar $ grep -H foo file file:foo file:foobar $ grep -Hn foo file file:1:foo file:3:foobar Options: -H, --with-filename Print the file name for each match. This is the default when there is m...