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How to get the difference between two arrays in JavaScript?
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How to retrieve an element from a set without removing it?
...le set:
for e in s:
break
# e is now an element from s
Or...
e = next(iter(s))
But in general, sets don't support indexing or slicing.
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What is the difference between atomic and critical in OpenMP?
...however, by incurring significant overhead every time a thread enters and exits the critical section (on top of the inherent cost of serialization).
(In addition, in OpenMP all unnamed critical sections are considered identical (if you prefer, there's only one lock for all unnamed critical sectio...
How can I strip the whitespace from Pandas DataFrame headers?
I am parsing data from an Excel file that has extra white space in some of the column headings.
3 Answers
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How to reference generic classes and methods in xml documentation
When writing xml documentation you can use <see cref="something">something</see> , which works of course. But how do you reference a class or a method with generic types?
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What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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Can you split a stream into two streams?
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Not exactly. You can't get two Streams out of one; this doesn't make sense -- how would you iterate over one without needing to generate the other at the same time? A stream can only be operated over once.
However, if you want ...
How can I check if my python object is a number? [duplicate]
...t;> import numbers
>>> import decimal
>>> [isinstance(x, numbers.Number) for x in (0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (re...
How to deal with floating point number precision in JavaScript?
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What is the best way to get all the divisors of a number?
...actors)
f = [0] * nfactors
while True:
yield reduce(lambda x, y: x*y, [factors[x][0]**f[x] for x in range(nfactors)], 1)
i = 0
while True:
f[i] += 1
if f[i] <= factors[i][1]:
break
f[i] = 0
i += 1
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