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In Python, how do I split a string and keep the separators?
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>>> re.split('(\W)', 'foo/bar spam\neggs')
['foo', '/', 'bar', ' ', 'spam', '\n', 'eggs']
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What should a Multipart HTTP request with multiple files look like? [duplicate]
...g on an iPhone app that makes a multipart HTTP request with multiple image files.
2 Answers
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Moving and vanishing lines of code; trouble with Eclipse's XML Editor
... have both "Format XML using the standard Android XML..." and "Use Eclipse settings for indentation...." checked. This solved the problem for me.
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How to split a string into an array of characters in Python?
I've tried to look around the web for answers to splitting a string into an array of characters but I can't seem to find a simple method
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Is it possible to use argsort in descending order?
..._n).flags['OWNDATA']
True
So if you time each, with this very small data set:
>>> import timeit
>>> timeit.timeit('(-avgDists).argsort()[:3]', setup="from __main__ import avgDists")
4.2879798610229045
>>> timeit.timeit('avgDists.argsort()[::-1][:3]', setup="from __main_...
Simpler way to put PDB breakpoints in Python code?
... Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in).
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How do you create a random string that's suitable for a session ID in PostgreSQL?
... like this, but found when I used it an an UPDATE statement, all rows were set to the same random password instead of unique passwords. I solved this by adding the primary key ID into the formula. I add it to the random value and the subtract it again. The randomness is not changed, but PostgreSQL i...
Can I replace groups in Java regex?
... @Alexis - This is a java regex quirk: if group 11 has not been set, java interprets $11 as $1 followed by 1.
– Yaro
May 19 '19 at 9:55
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Generate random numbers using C++11 random library
... uniformely map 32758 elements (RAND_MAX) to 100 inputs. The unique way is set a bound on 32000 and re-execute rand() if gets out of bounds
– amchacon
Nov 13 '16 at 11:03
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How to find all combinations of coins when given some dollar value
...the number of ways, while for some reason the question asks for the actual set of all ways. Of course, there can be no way of finding the set in polynomial time, since the output itself has superpolynomially many entries (2) It is debatable whether a generating function is a "closed form" (see Herbe...