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AWK: Access captured group from line pattern
...ced awk by perl a long time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the -n flag causes perl to loop over every line like awk does.
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What does auto do in margin:0 auto?
What does auto do in margin:0 auto; ?
7 Answers
7
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Why should I capitalize my SQL keywords? [duplicate]
Simple question. I personally find a string of lowercase characters to be more readable than a string of uppercase characters. Is some old/popular flavor of SQL case-sensitive or something?
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Kiosk mode in Android
I'm in the process of evaluating if and how a CF .NET enterprise application can be ported to run on Android devices. The application on Windows Mobile phones are run in kiosk mode where the application autostart in fullscreen-mode after booting and with the users unable to accidentally or willingly...
Get the time difference between two datetimes
I know I can do anything and some more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
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Run javascript function when user finishes typing instead of on key up?
I want to trigger an ajax request when the user has finished typing in a text box. I don't want it to run the function on every time the user types a letter because that would result in A LOT of ajax requests, however I don't want them to have to hit the enter button either.
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is there an virtual environment for node.js?
I've searched the wiki modules page, but I can't find anything similar to virtualenv (python) or rvm.
7 Answers
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WARNING: Can't verify CSRF token authenticity rails
I am sending data from view to controller with AJAXand I got this error:
17 Answers
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Unable to create Android Virtual Device
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Simply because CPU/ABI says "No system images installed for this target". You need to install system images.
In the Android SDK Manager check that you have installed "ARM EABI v7a System Image" (for each Android version from 4.0 and on you have to install a system image...
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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