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What would cause an algorithm to have O(log n) complexity?
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290
I have to agree that it's pretty weird the first time you see an O(log n) algorithm... where o...
The modulo operation on negative numbers in Python
...the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2), what is the...
Efficient way to apply multiple filters to pandas DataFrame or Series
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250
Pandas (and numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df...
Split column at delimiter in data frame [duplicate]
...as.character(FOO), '|', fixed=TRUE))))
Which produces:
ID FOO.X1 FOO.X2
1 11 a b
2 12 b c
3 13 x y
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Javascript and regex: split string and keep the separator
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answered Aug 17 '12 at 8:01
JonJon
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What ReSharper 4+ live templates for C# do you use? [closed]
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List comprehension rebinds names even after scope of comprehension. Is this right?
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List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Guid...
AWS ssh access 'Permission denied (publickey)' issue [closed]
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20 Answers
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How to avoid explicit 'self' in Python?
...ember or not:
class A(some_function()):
def f(self):
self.member = 42
self.method()
That's the complete code! (some_function returns the type used as a base.)
Another, where the methods of a class are dynamically composed:
class B(object):
pass
print B()
# <__main__.B object at...
Virtualbox “port forward” from Guest to Host [closed]
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