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Is there a common Java utility to break a list into batches?

...am.empty(); int fullChunks = (size - 1) / length; return IntStream.range(0, fullChunks + 1).mapToObj( n -> source.subList(n * length, n == fullChunks ? size : (n + 1) * length)); } public static void main(String[] args) { List<Integer> list = Arrays.asList(1, 2, 3, 4, 5...
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Multiprocessing: How to use Pool.map on a function defined in a class?

..., c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | follow | ...
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How to use a switch case 'or' in PHP

...ng with large cases ... imagine 1 to 100 this would work perfectly $r1 = range(1, 100); $r2 = range(100, 200); $v = 76; switch (true) { case in_array($v, $r1) : echo 'the value is in range 1 to 100'; break; case in_array($v, $r2) : echo 'the value is in range 100 to...
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(-2147483648> 0) returns true in C++?

... it. Value 2147483648 is apparently too large for the positive side of int range on your platform. If type long int had greater range on your platform, the compiler would have to automatically assume that 2147483648 has long int type. (In C++11 the compiler would also have to consider long long int ...
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How to check if a float value is a whole number

...mber). But adjusting your loop a little this gives: >>> for n in range(12000, -1, -1): ... if (n ** (1.0/3)).is_integer(): ... print n ... 27 8 1 0 which means that anything over 3 cubed, (including 10648) was missed out due to the aforementioned imprecision: >>> (...
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Java switch statement multiple cases

...e previous answers, but if you want to achieve switch cases with few large ranges, just combine ranges to a single case beforehand: // make a switch variable so as not to change the original value int switchVariable = variable; //combine range 1-100 to one single case in switch if(1 <= variable...
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How to delete multiple buffers in Vim?

... :3,5bd[elete] Will delete buffer range from 3 to 5 . share | improve this answer | follow | ...
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The smallest difference between 2 Angles

Given 2 angles in the range -PI -> PI around a coordinate, what is the value of the smallest of the 2 angles between them? ...
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Can you get the column names from a SqlDataReader?

...++) { columns.Add(reader.GetName(i)); } or var columns = Enumerable.Range(0, reader.FieldCount).Select(reader.GetName).ToList(); share | improve this answer | follow ...
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Min/Max-value validators in asp.net mvc

...on using attributes in asp.net mvc is really nice. I have been using the [Range(min, max)] validator this far for checking values, like e.g.: ...