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Types in Objective-C on iOS
...
SHRT_MAX: 32767
INT_MIN: -2147483648
INT_MAX: 2147483647
LONG_MIN: -2147483648
LONG_MAX: 2147483647
ULONG_MAX: 4294967295
LLONG_MIN: -9223372036854775808 ...
size_t vs. uintptr_t
...vermind segmented architectures, what about a modern architecture like x86-64? Early implementations of this architecture only give you a 48-bit addressable space, but the pointers themselves are a 64-bit data type. The largest contiguous block of memory you could reasonably address would be 48-bit,...
Smallest data URI image possible for a transparent image
...in some browsers).
Shorter (but unstable - 74 bytes)
data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
I would advise using the slightly longer and more stable version as follows:
⇊ Stable ⇊ (but slightly longer - 78 bytes)
data:image/gif;base64,R0lGODlhAQABAIAAAA...
Call Javascript function from URL/address bar
... It doesn't work on Google Chrome Version 80.0.3987.132 (Official Build) (64-bit). Chrome automatically strips the javascript: prefix from the address bar.
– stomy
Mar 17 at 18:03
...
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...
How to set custom favicon in Express?
...Gruenbaum
235k7777 gold badges459459 silver badges466466 bronze badges
1
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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
%
...
How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryPerfor...
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
...
is vs typeof
...spot.ca/2013/09/… too - they retest for different frameworks and x86 vs x64 with widely differing results.
– CAD bloke
Jul 29 '14 at 11:21
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