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How fast is D compared to C++?
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64
To enable all optimizations and disable all safety checks, compile your D program with the foll...
How do I determine the target architecture of static library (.a) on Mac OS X?
...ib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fat file
Non-fat file: libnonfatarchive.a is architecture: i386
%
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How to set custom favicon in Express?
...Gruenbaum
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How can one print a size_t variable portably using the printf family?
...Rosenfield
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Where does Visual Studio look for C++ header files?
...Rosenfield
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How to check if any flags of a flag combination are set?
... {
CheckIsEnum<T>(true);
long lValue = Convert.ToInt64(value);
long lFlag = Convert.ToInt64(flag);
return (lValue & lFlag) != 0;
}
public static IEnumerable<T> GetFlags<T>(this T value) where T : struct
{
CheckIsEnum<T>...
printf() formatting for hex
...but how about the hex: 0x43A66C31C68491C0 I have tried the following: __int64 int64 = 0x43A66C31C68491C0; printf_s("%#15X %d",int64,int64); But the output is 0XC68491C0, not 0x43A66C31C68491C0
– 123iamking
May 7 '16 at 4:16
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阿里的线下野心 - 资讯 - 清泛网 - 专注C/C++及内核技术
...大市场体量仍然让阿里难以淡定。阿里的线下“野心”已是路人皆知。
品途网CEO刘宛岚表示，线上规模达到一定程度的阿里已开始面临发展瓶颈，甚至看到了天花板，而目前线下巨大的市场规模仍是线上所无法比拟的。即便使...
Frequency table for a single variable
...,2,3,3,3])
print(my_series.value_counts())
3 3
2 2
1 1
dtype: int64
Notice here that the item returned is a pandas.Series
In comparison, numpy.unique returns a tuple with two items, the unique values and the counts.
vals, counts = np.unique(my_series, return_counts=True)
print(vals, co...
C library function to perform sort
...range of incredibly fast sorting routings, like so:
#define SORT_NAME int64
#define SORT_TYPE int64_t
#define SORT_CMP(x, y) ((x) - (y))
#include "sort.h"
/* You now have access to int64_quick_sort, int64_tim_sort, etc., e.g., */
int64_quick_sort(arr, 128); /* Assumes you have some int *arr or int...