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Time complexity of Sieve of Eratosthenes algorithm
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How to hide a View programmatically?
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Sufian
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answered Apr 22 '11 at 13:58
Erich DouglassErich Douglass
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TypeError: sequence item 0: expected string, int found
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414
string.join connects elements inside list of strings, not ints.
Use this generator expressio...
How to compare two dates?
...etime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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Find difference between timestamps in seconds in PostgreSQL
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246
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTR...
How is pattern matching in Scala implemented at the bytecode level?
... you can do with patterns like or patterns and combinations like "case Foo(45, x)", but generally those are just logical extensions of what I just described. Patterns can also have guards, which are additional constraints on the predicates. There are also cases where the compiler can optimize pat...
Reduce git repository size
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VonCVonC
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Why do we have map, fmap and liftM?
...askell 1.3 fmap was called map. This change was then reverted in Haskell 1.4 and fmap was introduced. The reason for this change was pedagogical; when teaching Haskell to beginners the very general type of map made error messages more difficult to understand. In my opinion this wasn't the right way ...
Make Div overlay ENTIRE page (not just viewport)?
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SampsonSampson
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