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How can I match a string with a regex in Bash?

... To match regexes you need to use the =~ operator. Try this: [[ sed-4.2.2.tar.bz2 =~ tar.bz2$ ]] && echo matched Alternatively, you can use wildcards (instead of regexes) with the == operator: [[ sed-4.2.2.tar.bz2 == *tar.bz2 ]] && echo matched If portability is not a con...
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Add new value to an existing array in JavaScript [duplicate]

... answered Jan 3 '10 at 23:24 David HellsingDavid Hellsing 93.9k3939 gold badges160160 silver badges199199 bronze badges ...
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How to test chrome extensions?

... answered May 24 '10 at 18:44 KinlanKinlan 15.1k44 gold badges4747 silver badges8484 bronze badges ...
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Converting string to numeric [duplicate]

...pect you are having a problem with factors. For example, > x = factor(4:8) > x [1] 4 5 6 7 8 Levels: 4 5 6 7 8 > as.numeric(x) [1] 1 2 3 4 5 > as.numeric(as.character(x)) [1] 4 5 6 7 8 Some comments: You mention that your vector contains the characters "Down" and "NoData". What do ...
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What are the differences between a UIView and a CALayer?

... 224 On iOS, every UIView is backed by a Core Animation CALayer, so you are dealing with CALayers whe...
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Reordering of commits

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What is the fundamental difference between WebSockets and pure TCP?

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How to update Python?

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Flask vs webapp2 for Google App Engine

... | edited Sep 2 '16 at 21:41 Brian Moeskau 19.1k66 gold badges6666 silver badges7171 bronze badges answe...
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How do you round UP a number in Python?

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