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How to round a number to n decimal places in Java
... to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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Rank items in an array using Python/NumPy, without sorting array twice
I have an array of numbers and I'd like to create another array that represents the rank of each item in the first array. I'm using Python and NumPy.
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push_back vs emplace_back
I'm a bit confused regarding the difference between push_back and emplace_back .
7 Answers
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Python, compute list difference
...vation is important Roman Bodnarchuk may have a better approach. For speed and pure set-like behavior this one seems better.
– Bryan P
Feb 13 '15 at 23:01
8
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When is -XAllowAmbiguousTypes appropriate?
...er non-ambiguous types. So let's compare the contexts of the two functions and look for functional dependencies.
class ApplySym sig f sym | sig sym -> f, f -> sig sym
class SyntacticN f internal | f -> internal
sugarSym :: ( sub :<: AST sup
, ApplySym sig fi sup
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Iterating through a range of dates in Python
...e in (start_date + timedelta(n) for n in range(day_count)):
print ...
And no list gets stored, only one generator is iterated over. Also the "if" in the generator seems to be unnecessary.
After all, a linear sequence should only require one iterator, not two.
Update after discussion with John M...
How to escape the % (percent) sign in C's printf?
... this won't work. \045 is compile-time escape that is part of the language and will turn into % when compiled. printf is a run-time function, so it deals with bytes of your string, not with C source code, and it has its own escape sequences that are parts of the function. In short, printf is a "lang...
How to remove element from array in forEach loop?
... element in an array in a forEach loop, but am having trouble with the standard solutions I've seen.
7 Answers
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'IF' in 'SELECT' statement - choose output value based on column values
I need amount to be amount if report.type='P' and -amount if report.type='N' . How do I add this to the above query?
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How to export all data from table to an insertable sql format?
... in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
6 Answers
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