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Multiprocessing: How to use Pool.map on a function defined in a class?

... [p.join() for p in proc] return [p.recv() for (p, c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | ...
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Difference between left join and right join in SQL Server [duplicate]

... two table with following records: Table A id firstname lastname ___________________________ 1 Ram Thapa 2 sam Koirala 3 abc xyz 6 sruthy abc Table B id2 place _____________ 1 Nepal 2 USA 3 Lumbini 5 Kathmandu Inne...
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Access nested dictionary items via a list of keys?

..., 'z': 3}, 'w': 3}} Note that the Python PEP8 style guide prescribes snake_case names for functions. The above works equally well for lists or a mix of dictionaries and lists, so the names should really be get_by_path() and set_by_path(): from functools import reduce # forward compatibility for Py...
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Split a string by a delimiter in python

How to split this string where __ is the delimiter 3 Answers 3 ...
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Fastest sort of fixed length 6 int array

...ction pipeline to stall. Here's an insertion sort implementation: static __inline__ int sort6(int *d){ int i, j; for (i = 1; i < 6; i++) { int tmp = d[i]; for (j = i; j >= 1 && tmp < d[j-1]; j--) d[j] = d[j-1]...
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Nested classes' scope?

... class Outer(object): outer_var = 1 class Inner(object): @property def inner_var(self): return Outer.outer_var This isn't quite the same as similar things work in other languages, and uses global lookup instead of sco...
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Days between two dates? [duplicate]

...est for calendar checks. from datetime import timedelta, datetime def cal_days_diff(a,b): A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0) B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0) return (A - B).days if __name__ == '__main__': x = datetime...
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C++ compiling on Windows and Linux: ifdef switch [duplicate]

... use: #ifdef __linux__ //linux code goes here #elif _WIN32 // windows code goes here #else #endif share | improve this answer...
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Multiple constructors in python? [duplicate]

...ctors. However, you can define a default value if one is not passed. def __init__(self, city="Berlin"): self.city = city share | improve this answer | follow ...
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Make a div fill up the remaining width

...t. Here you can notice that the middle element (in our case, with "content__middle" class) does not have any dimensional property specified - no width, nor padding, nor margin related property at all - but only an overflow: auto; (see note 1). The great advantage is that now you can specify a max-...