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https://www.tsingfun.com/it/cpp/1517.html 

sndPlaySound, SND_ASYNC 头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

sndPlaySound, SND_ASYNC 头文件#include <mmsystem.h>#pragma comment(lib, "winmm.lib")#include <mmsystem.h> #pragma comment(lib, "winmm.lib")sndPlaySound SND_ASYNC 头文件
https://www.tsingfun.com/it/cpp/1523.html 

C++程序结果出现1.#inf 1.#IO - C/C++ - 清泛网 - 专注C/C++及内核技术

C++程序结果出现1.#inf 1.#IO表象原因:浮点数越界了(超过FLT_MAX最大值了),1.#IO是%lf格式化出来的字符串。极可能原因:除0了,也就是f1 = f2 0。做任何除法...表象原因:浮点数越界了(超过FLT_MAX最大值了),1.#IO是 %lf 格式化...
https://www.tsingfun.com/it/cpp/1524.html 

error: ‘uint16_t’ does not name a type - C/C++ - 清泛网 - 专注C/C++及内核技术

error: ‘uint16_t’ does not name a type#include <stdint.h> 解决。 ** * @file stdint.h * Copyright 2012, 2013 MinGW.org project * * Permission is hereby ...#include <stdint.h> 解决。 /** * @file stdint.h * Copyright 2012, 2013 MinGW.org project * * Permission is hereby granted, ...
https://www.tsingfun.com/it/cpp/1525.html 

XXX.cc:100: error: ‘::strerror’ has not been declared - C/C++ - 清泛网 - 专注C/C++及内核技术

XXX.cc:100: error: ‘::strerror’ has not been declared#include <string.h>解决。#include <string.h> 解决。strerror
https://www.tsingfun.com/it/cpp/1526.html 

error: ISO C++ forbids declaration of \'XXXX\' with no type - C/C++ - 清泛网 - 专注C/C++及内核技术

error: ISO C++ forbids declaration of 'XXXX' with no type出现这个错误,一般是由于两个CPP相互都相互包含了对方的头文件造成的,比如:当mainwindow cpp、configdialog cpp两个文件,分别包含了对方的头文件,并且分别又在自己的类中声明 出现...
https://www.tsingfun.com/it/cpp/1529.html 

ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scope -...

ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scopepthread_t在头文件 usr include bits pthreadtypes.h中定义:typedef unsigned long int pthread_t;它是一个线程的标识符。#include <pthread.h> 解决。pthread_t在头文件/usr/include/bits/pthreadtypes.h中定义: ...
https://www.tsingfun.com/it/cpp/1531.html 

C++构造函数中可不可以调用虚函数? - C/C++ - 清泛网 - 专注C/C++及内核技术

C++构造函数中可不可以调用虚函数?不可调用,没定义好,不知分配多少空间。不可调用,没定义好,不知分配多少空间。C++ 构造函数 虚函数
https://www.tsingfun.com/it/cpp/1532.html 

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
https://www.tsingfun.com/it/cpp/1536.html 

关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...题在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时:#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时: #define WIDEN2(x) L ## x #define WIDEN(x) WID...
https://www.tsingfun.com/it/cpp/1538.html 

OnInitDialog()中SetFocus()设置焦点不起作用解决方法 - C/C++ - 清泛网 - ...

OnInitDialog()中SetFocus()设置焦点不起作用解决方法BOOL Cxxx::OnInitDialog(){ ... ::SetFocus(m_wndEdit); 不起作用,请参照如下VS自动生成的注释。 ... return TRUE; ...BOOL Cxxx::OnInitDialog() { ... ::SetFocus(m_wndEdit); // 不起作用,请参照如...