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Syntax for creating a two-dimensional array
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Try the following:
int[][] multi = new int[5][10];
... which is a short hand for something like this:
int[][] multi = new int[5][];
multi[0] = new int[10];
multi[1] = new int[10];
multi[2] = new int[10];
multi[3] = new int[10];
multi[4] = new int[10];
Note that e...
How to find the length of a string in R
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Gavin SimpsonGavin Simpson
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Apache Spark: map vs mapPartitions?
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edited Dec 20 '15 at 22:09
Alberto Bonsanto
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What is the difference between ~> and >= when specifying rubygem in Gemfile?
...sion provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementing to some arbitrary value, but the ones preceding it in the string...
Concatenating two one-dimensional NumPy arrays
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There are several possibilities for concatenating 1D arrays, e.g.,
numpy.r_[a, a],
numpy.stack(...
What is the optimal Jewish toenail cutting algorithm?
...ish rule. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
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C++ preprocessor __VA_ARGS__ number of arguments
... PP_ARG_N(__VA_ARGS__)
#define PP_ARG_N( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49...
Select multiple columns in data.table by their numeric indices
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Are there any side effects of returning from inside a using() statement?
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Unique combination of all elements from two (or more) vectors
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