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Algorithm for creating a school timetable

...or example by providing an initial, partially filled schedule (say roughly 30% of the time-slots), in a way that fully satisfies all constraints, and by considering this partial schedule immutable, we significantly reduce the time/space needed to produce candidate solutions. Another way additional...
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Get Image size WITHOUT loading image into memory

... break s = self.fp.read(1) elif i == 0 or i == 65535: # padded marker or junk; move on s = "\xff" else: raise SyntaxError("no marker found") Which looks like it could read the whole file if it was malformed. If it reads the info ...
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How to set child process' environment variable in Makefile

... test (assuming you have a sufficiently modern version of GNU make >= 3.77 ). share | improve this answer | follow | ...
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How do you test functions and closures for equality?

...e one the function type expects. https://devforums.apple.com/message/1035180#1035180 This means that you should not even try to compare closures for equality because optimizations may affect the outcome. share ...
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Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community

...: #ffffff; --tertiary: #0088cc; --quaternary: #e45735; --highlight: #ffff4d; --success: #009900; } } /* then deal with dark scheme */ @media (prefers-color-scheme: dark) { :root { --primary: #222...
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Difference between left join and right join in SQL Server [duplicate]

... Péter TörökPéter Török 107k2727 gold badges253253 silver badges326326 bronze badges 18 ...
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error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...

error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
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How to increment a datetime by one day?

... date = datetime.datetime(2003,8,1,12,4,5) for i in range(5): date += datetime.timedelta(days=1) print(date) share | improve this answer ...
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PyLint, PyChecker or PyFlakes? [closed]

... Well, I am a bit curious, so I just tested the 3 myself right after asking the question ;-) Ok, this is not a very serious review but here is what I can say : I tried the tools with the default settings (it's important because you can pretty much choose your check rules...
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What are paramorphisms?

... answered Nov 9 '12 at 23:34 pigworkerpigworker 41.4k1818 gold badges115115 silver badges212212 bronze badges ...