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How to output only captured groups with sed?
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echo "$string" | grep -Po '(?<=\D )(\d+)'
The -P option enables Perl Compatible Regular Expressions. See man 3 pcrepattern or man
3 pcresyntax.
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How do I install a module globally using npm?
... file in the root of your app folder.
Here is one I use
nvm use v0.6.4
http://pastie.org/3232212
npm install
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Bash: Syntax error: redirection unexpected
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Equivalent VB keyword for 'break'
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initialize a vector to zeros C++/C++11
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How to find available versions for a bower dependency
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Converting Epoch time into the datetime
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Where did the time "1347517491247" come from in your example? Is it a real time value you're using?
– ron rothman
Sep 13 '12 at 6:39
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How do you use an identity file with rsync?
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Remove substring from the string
.... More info can be seen in the documentation about other versions as well:
http://www.ruby-doc.org/core/classes/String.html#method-i-slice-21
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Multiple arguments vs. options object
...hand, there are functions with calls like this:
initiateTransferProtocol("http", false, 150, 90, null, true, 18);
Completely unreadable unless you do some research. On the other hand, this code reads well:
initiateTransferProtocol({
"protocol": "http",
"sync": false,
"delayBetweenRet...