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How can I find the first occurrence of a sub-string in a python string?
...er1767754
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Bare asterisk in function arguments?
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answered Oct 22 '18 at 19:20
laycatlaycat
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
... with.
– ClydeTheGhost
Mar 1 '19 at 20:58
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Using a bitmask in C#
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20
if ( ( param & karen ) == karen )
{
// Do stuff
}
The bitwise 'and' will mask out every...
How does Django's Meta class work?
...lass features?
– nnyby
Mar 3 '15 at 20:00
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Get item in the list in Scala?
...ion.
– chaotic3quilibrium
Aug 23 at 20:37
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Rails find_or_create_by more than one attribute?
...classes/ActiveRecord/…
– Duke
Feb 20 '16 at 0:32
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How to interpret API documentation function parameters?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 16 '13 at 15:39
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how does multiplication differ for NumPy Matrix vs Array classes?
....677],
[ 0.269, 0.071, 0.377, 0.25 , 0.692],
[ 0.274, 0.206, 0.655, 0.062, 0.229],
[ 0.397, 0.115, 0.083, 0.19 , 0.701]])
>>> LA.matrix_rank(m)
5
matrix condition:
>>> a1 = NP.random.randint(1, 10, 12).reshape(4, 3)
>>> LA.cond(a1)
5.709...
Where can I learn how to write C code to speed up slow R functions? [closed]
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@jbremnant: That's right. Rcpp classes implement something close to the RAII pattern. When an R...