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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...even less portable and break on fairly recent systems (e.g. even Ubuntu 16.04 if not later).
Another downside is that since you aren't calling an explicit executable, it's got the potential for mistakes, and on multiuser systems security problems (if someone managed to get their executable called b...
All permutations of a Windows license key
...te it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8MT-BKHM9-VGC8R
MPP6R-09RXG-2H8MT-BKNM9-V6C8R
MPP6R-09RXG-2H8MT-BKNM9-VGC8R
MPP6R-09RXG-2H8MT-8KHM9-V6C8R
MPP6R-09RXG-2H8MT-8KHM9-VGC8R
MPP6R...
What is two way binding?
...
KostasX
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answered Nov 22 '12 at 2:11
McGarnagleMcGarnagle
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Converting Secret Key into a String and Vice Versa
... using SecretKeySpec
SecretKey originalKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES");
For Java 7 and before (including Android):
NOTE I: you can skip the Base64 encoding/decoding part and just store the byte[] in SQLite. That said, performing Base64 encoding/decoding is not...
Converting JavaScript object with numeric keys into array
..., in that case a run through JSON.parse would be necessary as well.
In ES2015 there's Object.values to the rescue, which makes this a breeze
var arr = Object.values(obj);
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How to implement __iter__(self) for a container object (Python)
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Hymns For Disco
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answered Oct 26 '10 at 1:04
mikerobimikerobi
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Can pandas automatically recognize dates?
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answered Jul 4 '13 at 10:32
Rutger KassiesRutger Kassies
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JavaScript query string [closed]
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answered Mar 15 '09 at 5:33
Shadow2531Shadow2531
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Omit rows containing specific column of NA
... put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 NA
# 2 2 10 33
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Does JavaScript have a built in stringbuilder class?
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