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Should struct definitions go in .h or .c file?
I've seen both full definitions of struct s in headers and just declarations—is there any advantage to one method over the other?
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ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - C/...
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared#include <pthread.h>#include <signal.h>除了pthread.h外，还要引入signal.h头文件才行，解决。#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。pthread_kill
Windows下如何判断Win32 or x64？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...N32 来判断是否在 x64 平台呢？不。在 Windows SDK 的 minwindef.h 下第 37 行有如下定义：
#ifndef WIN32
#define WIN32
#endif
即是说，只要包含了 Windows.h，那么 WIN32 常量是肯定定义了的，所以不能用于判断平台环境。但是如果在预处理...
领域驱动设计系列（五）:事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...
...学，说好的妹子呢？
实现思路
发出事件
public void Head()
{
var NewsPaper = new NewsPaper("南都娱乐");
NewsPaper.WriteToHeader("汪峰");
RaiseEvent(new HeadedEvent {Name = "汪峰"});
}
private void RaiseEvent(HeadedEvent headedE...
../libltdl/ltdl.h:106: error: \'LT_DLSYM_CONST\' does not name a type ...
../libltdl/ltdl.h:106: error: 'LT_DLSYM_CONST' does not name a type报错：.. libltdl ltdl.h:106: error: 'LT_DLSYM_CONST' does not name a type解决：编译时加参数 --with-included-ltdl报错：../libltdl/ltdl.h:106: error: 'LT_DLSYM_CONST' does not name a type
解决：编译时加参数 -...
stdbool.h C99标准杂谈 - c++1y / stl - 清泛IT社区，为创新赋能！
include <stdbool.h> 找不到头文件？？？
bool 是C++中的关键字，C中不支持
所以C99标准中引入了头文件 stdbool.h，包含了四个用于布尔型的预定义宏：
#define true 1
#define false 0
#define bool _Bool
typdef int _Bool
但是很遗憾，Visual C++...
Using %f with strftime() in Python to get microseconds
I'm trying to use strftime() to microsecond precision, which seems possible using %f (as stated here ). However when I try the following code:
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How to prove that a problem is NP complete?
I have problem with scheduling. I need to prove that the problem is NP complete. What can be the methods to prove it NP complete?
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How to declare variable and use it in the same Oracle SQL script?
I want to write reusable code and need to declare some variables at the beginning and reuse them in the script, such as:
10...
How to determine the encoding of text?
...hat charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#.
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