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Remove characters except digits from string using Python?
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112
In Python 2.*, by far the fastest approach is the .translate method:
>>> x='aaa12333bb...
How to shuffle a std::vector?
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203
From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
au...
Are parallel calls to send/recv on the same socket valid?
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edited Jun 24 '14 at 22:56
Robert Harvey
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Two single-column indexes vs one two-column index in MySQL?
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answered Feb 28 '10 at 2:32
Mark ByersMark Byers
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Threading pool similar to the multiprocessing Pool?
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answered Aug 2 '10 at 9:52
MartinMartin
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How to pick a new color for each plotted line within a figure in matplotlib?
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edited Nov 17 '19 at 16:21
Mark Amery
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an...
How do I use Linq to obtain a unique list of properties from a list of objects?
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323
IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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How do I change column default value in PostgreSQL?
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2 Answers
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Active
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Java 8 Streams - collect vs reduce
...n would do a great deal of string copying, and the run
time would be O(n^2) in the number of characters. A more performant
approach would be to accumulate the results into a StringBuilder,
which is a mutable container for accumulating strings. We can use the
same technique to parallelize mut...
Making git diff --stat show full file path
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edited Apr 23 '17 at 10:50
answered May 5 '12 at 8:26
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