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Is \d not supported by grep's basic expressions?
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grep's default mode is (iirc) POSIX regex, and \d is pcre. You can either pass -P to gnu grep, for perl-like regexps, or use [[:digit:]] instead of \d.
daenyth@Bragi ~ $ echo 1 | grep -P '\d'
1
daenyth@Bragi ~ $ echo 1 | grep '[[:digit:]]'
1
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Reliable timer in a console application
... a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
2 Answers
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Equivalent of Math.Min & Math.Max for Dates?
What's the quickest and easiest way to get the Min (or Max) value between two dates? Is there an equivalent to Math.Min (& Math.Max) for dates?
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Can you call ko.applyBindings to bind a partial view?
I'm using KnockoutJS and have a main view and view model. I want a dialog (the jQuery UI one) to popup with another view which a separate child view model to be bound to.
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What is 'YTowOnt9'?
...alue YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I haven't found any page describing the value itself. It has...
Print a file, skipping the first X lines, in Bash [duplicate]
... Or "tail --lines=+<LinesToSkip> ..." for the readable-commands crowd :-)
– paxdiablo
Mar 3 '09 at 2:34
28
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Get array of object's keys
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And what about mobile browsers ?
– Marwen Trabelsi
Aug 7 '14 at 8:15
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How can I get the application's path in a .NET console application?
...ged in a *.lnk file, in the "Start in:" field?
– Alexander
Jun 15 '16 at 14:46
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How to “comment-out” (add comment) in a batch/cmd?
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The rem command is indeed for comments. It doesn't inherently update anyone after running the script. Some script authors might use it that way instead of echo, though, because by default the batch interpreter will print out each command...
How to get device make and model on iOS?
... was wondering if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S (in actuality, all I really want to do is determine if I have a 3G or not, because I'm doing fairly graphics intensive stuff) .
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