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How do I determine if my python shell is executing in 32bit or 64bit?
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One way is to look at sys.maxsize as documented here:
$ python-32 -c 'import sys;print("%x" % sys.maxsize, sys.maxsize > 2**32)'
('7fffffff', False)
$ python-64 -c 'import sys;print("%x" % sys.maxsize, sys.maxsize > 2**32)'
('7fffffffffffffff', True)
sys.maxsize was introduced in...
“No newline at end of file” compiler warning
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edited Mar 30 '19 at 3:38
S.S. Anne
13.1k66 gold badges2727 silver badges5959 bronze badges
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What does void mean in C, C++, and C#?
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Basically it means "nothing" or "no type"
There are 3 basic ways that void is used:
Function argument: int myFunc(void)
-- the function takes nothing.
Function return value: void myFunc(int)
-- the function returns nothing
Generic data pointer: void* data
-- 'data' is a poi...
How to Define Callbacks in Android?
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answered Aug 3 '10 at 16:05
EboMikeEboMike
71.3k1414 gold badges151151 silver badges152152 bronze badges
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urlencode vs rawurlencode?
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331
It will depend on your purpose. If interoperability with other systems is important then it se...
Why does the default parameterless constructor go away when you create one with parameters
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answered Aug 3 '12 at 8:43
Dan PuzeyDan Puzey
31.1k33 gold badges6666 silver badges9393 bronze badges
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Transpose/Unzip Function (inverse of zip)?
... use the special * operator.
>>> zip(*[('a', 1), ('b', 2), ('c', 3), ('d', 4)])
[('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
The way this works is by calling zip with the arguments:
zip(('a', 1), ('b', 2), ('c', 3), ('d', 4))
… except the arguments are passed to zip directly (after being co...
How to write PNG image to string with the PIL?
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edited Dec 23 '18 at 15:46
answered Mar 14 '09 at 17:21
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What does auto&& tell us?
...n. So here's a contrived example:
std::vector<int> global_vec{1, 2, 3, 4};
template <typename T>
T get_vector()
{
return global_vec;
}
template <typename T>
void foo()
{
auto&& vec = get_vector<T>();
auto i = std::begin(vec);
(*i)++;
std::cout << ve...
Get last element of Stream/List in a one-liner
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answered Jan 29 '14 at 20:13
nosidnosid
43.7k1313 gold badges9999 silver badges129129 bronze badges
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