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How to find the kth largest element in an unsorted array of length n in O(n)?
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31 Answers
31
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Java's Interface and Haskell's type class: differences and similarities?
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An efficient way to transpose a file in Bash
...,j];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time per...
Runnable with a parameter?
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231
Well it's been almost 9 years since I originally posted this and to be honest, Java has made a ...
Converting a UNIX Timestamp to Formatted Date String
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324
Try gmdate like this:
<?php
$timestamp=1333699439;
echo gmdate("Y-m-d\TH:i:s\Z", $timestam...
Is if(items != null) superfluous before foreach(T item in items)?
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edited Jun 23 '11 at 14:35
answered Jun 23 '11 at 14:16
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Why should I avoid std::enable_if in function signatures
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3 Answers
3
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Best way to find the intersection of multiple sets?
...tiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that set.intersection is not a static method, but this uses the functional notation to apply intersec...
UICollectionView spacing margins
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335
You can use the collectionView:layout:insetForSectionAtIndex: method for your UICollectionView...