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When do we need curly braces around shell variables?
...o unconditionally required when:
expanding array elements, as in ${array[42]}
using parameter expansion operations, as in ${filename%.*} (remove extension)
expanding positional parameters beyond 9: "$8 $9 ${10} ${11}"
Doing this everywhere, instead of just in potentially ambiguous cases, can be ...
Unable to copy ~/.ssh/id_rsa.pub
...PLAY=:0 xclip -sel clip < ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
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How can I know if a process is running?
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answered Nov 4 '08 at 16:14
Patrick DesjardinsPatrick Desjardins
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PHP session lost after redirect
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edited Dec 17 '17 at 14:47
John
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answered J...
mongorestore error: Don't know what to do with the dump file [closed]
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clevertensionclevertension
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Sending command line arguments to npm script
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Edit 2014.10.30: It's possible to pass args to npm run as of npm 2.0.0
The syntax is as follows:
npm run <command> [-- <args>]
Note the necessary --. It is needed to separate the params passed to npm command itself and...
Change templates in Xcode
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answered Aug 29 '08 at 1:14
Chris HansonChris Hanson
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How can I count occurrences with groupBy?
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TWiStErRob
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answered Aug 22 '14 at 6:55
Jon SkeetJon Skeet
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Store password in TortoiseHg
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texnic
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answered Jan 4 '10 at 5:10
NicolásNicolás
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