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Formatting a number with leading zeros in PHP [duplicate]
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edited Mar 29 '16 at 14:16
Zanshin13
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How does zip(*[iter(s)]*n) work in Python?
...d it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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What is a regular expression for a MAC Address?
... two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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Can't find the 'libpq-fe.h header when trying to install pg gem
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edited Jan 2 '19 at 1:00
community wiki
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
...ckage and advertised accordingly, i.e. with significant disclaimers. The 1.9 library is not legacy and will receive further updates in the future. I've been in touch with the package author and will write more if I receive a reply.
In the interim, you can constrain the version of your package by us...
returning a Void object
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edited Mar 9 '10 at 11:56
answered Mar 9 '10 at 11:34
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Shuffle two list at once with same order
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answered Apr 25 '14 at 9:45
sshashank124sshashank124
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Counting the occurrences / frequency of array elements
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96
Here you go:
function foo(arr) {
var a = [], b = [], prev;
arr.sort();
for ( var...
Why does !{}[true] evaluate to true in JavaScript?
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edited Oct 31 '13 at 9:53
answered Oct 31 '13 at 9:43
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How do I make a matrix from a list of vectors in R?
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[7,] 7 1 2 3 4 5
[8,] 8 1 2 3 4 5
[9,] 9 1 2 3 4 5
[10,] 10 1 2 3 4 5
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