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What integer hash function are good that accepts an integer hash key?
...uth's method is "bad" in the sense that it does not avalanche on the upper bits
– awdz9nld
May 31 '12 at 11:51
10
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...色部分就是 Matt Pietrek 大侠在《A Crash Course on the Depths of Win32? Structured Exception Handling》 一文中说的：VC++ 生成的扩展 EXCEPTION_REGISTRATION_RECORD 结构，它象下面：
EBP-00 _ebp
EBP-04 trylevel
EBP-08 scopetable pointer
EBP-0C handler fu...
What's the difference between using CGFloat and float?
...ypes were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within your own code, you can still use float if you like — it will reduce your memory footprint somewhat. Same goes for integer values.
I s...
Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
When I run msbuild to build a vc2010 project I get the following error:
20 Answers
20
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How to detect my browser version and operating system using JavaScript?
...ils.
Detecting OS:
// This script sets OSName variable as follows:
// "Windows" for all versions of Windows
// "MacOS" for all versions of Macintosh OS
// "Linux" for all versions of Linux
// "UNIX" for all other UNIX flavors
// "Unknown OS" indicates failure to detect the OS...
hexadecimal string to byte array in python
...hon 2.7.10 (default, May 23 2015, 09:44:00) [MSC v.1500 64 bit (AMD64)] on win32.
– MewX
Oct 22 '17 at 1:10
@MewX I sa...
What is the most efficient string concatenation method in python?
...ython (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
11 Answers
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...80486家族CPU都有这个指令我也不是很清楚，但在EFLAGS中的bit 21可以识别CPU是否支持CPUID指令，如下图：
图1
在8086和8088CPU中，FLAGS只有16位长，在80386CPU中，bit 21被保留未用，在支持CPUID指令的CPU中，这一位将为1。
2...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...sembly language with Linux system calls?
There is a faster way to make 32-bit system calls: using sysenter. The kernel maps a page of memory into every process (the vDSO), with the user-space side of the sysenter dance, which has to cooperate with the kernel for it to be able to find the return ad...
Execution time of C program
...architecture; on modern systems you easily get 10ms or lower, but on older Windows machines (from the Win98 era) it was closer to 60ms.
clock() is standard C; it works "everywhere". There are system-specific functions, such as getrusage() on Unix-like systems.
Java's System.currentTimeMillis() doe...