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How to urlencode data for curl command?
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Calculating arithmetic mean (one type of average) in Python
... return float(sum(numbers)) / max(len(numbers), 1)
>>> mean([1,2,3,4])
2.5
>>> mean([])
0.0
In numpy, there's numpy.mean().
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
...ew String[] { "a", "b", "c" };
String joined2 = String.join(",", array);
3) using iterables
List<String> list = Arrays.asList(array);
String joined3 = String.join(",", list);
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How to pull a random record using Django's ORM?
... Nathan Tuggy
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answered Jan 22 '10 at 16:27
Emil IvanovEmil Ivanov
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Passing references to pointers in C++
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edited Nov 4 '15 at 1:33
gsamaras
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How to implement a binary tree?
... print(str(node.v) + ' ')
self._printTree(node.r)
# 3
# 0 4
# 2 8
tree = Tree()
tree.add(3)
tree.add(4)
tree.add(0)
tree.add(8)
tree.add(2)
tree.printTree()
print(tree.find(3).v)
print(tree.find(10))
tree.deleteTree()
tree.printTree()
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Get the closest number out of an array
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edited Jul 26 '17 at 9:23
Richard Parnaby-King
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How to use phpexcel to read data and insert into database?
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edited Jun 16 '13 at 21:49
answered Mar 14 '12 at 7:45
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Hash function that produces short hashes?
...a1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
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Why are function pointers and data pointers incompatible in C/C++?
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Dirk HolsoppleDirk Holsopple
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