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fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...
...
ofstream outfile( "测试/test.txt", ios::out ); //创建文件
if( !outfile )
{
cout << "Failed to create file!";
return ;
}
outfile.close();
}
程序将输出创建文件夹失败的信息。
一个解决办法是：在中文操作系统下，调用locale::global(std...
C语言判断文件是否存在 - C/C++ - 清泛网 - 专注C/C++及内核技术
...clude <stdlib.h>
void main( void )
{
/* Check for existence */
if( (_access( "ACCESS.C", 0 )) != -1 )
{
printf( "File ACCESS.C exists\n" );
/* Check for write permission */
if( (_access( "ACCESS.C", 2 )) != -1 )
printf( "File ACCESS.C has write permissi...
c++ boost库 序列化与反序列化 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
BOOST_SERIALIZATION_SHARED_PTR(TestStruct);
2、save、load函数：
#ifndef STRUCT_SAVE_LOAD_H_
#define STRUCT_SAVE_LOAD_H_
//
#include <string>
#include <fstream>
//
#include "boost/archive/text_iarchive.hpp"
#include "boost/archive/text_oarchive.hpp"
#include "boost/archive/xml_iarch...
MFC GDI获取文字的宽度及高度 - C/C++ - 清泛网 - 专注C/C++及内核技术
...小，部分代码如下：CDC* pDC = CDC::FromHandle(::GetDC(NULL)); if (pDC) ...使用CDC的GetTextExtent函数可以获取指定文字的大小，部分代码如下：
CDC* pDC = CDC::FromHandle(::GetDC(NULL));
if (pDC)
{
CFont* pOldFont = pDC->SelectObject(&m_Font);
...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...很大，所以还需要一个参数表来单独保存。
CREATE TABLE IF NOT EXISTS `mobiles` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` VARCHAR(100) NOT NULL,
`brand` VARCHAR(100) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
...
两种js滑动门(tab切换)效果 - 源码下载 - 清泛网 - 专注C/C++及内核技术
...tyle>
<script type="text/javascript">
function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
if (i == Num)
{
th...
c++ boost库 序列化与反序列化 - c++1y / stl - 清泛IT社区，为创新赋能！
...T_SERIALIZATION_SHARED_PTR(TStopProfitOrder);
2、save、load函数：
#ifndef STRUCT_SAVE_LOAD_H_
#define STRUCT_SAVE_LOAD_H_
//
#include <string>
#include <fstream>
//
#include "boost/archive/text_iarchive.hpp"
#include "boost/archive/text_oarchive.hpp"
#include ...
c++读注册表 - c++1y / stl - 清泛IT社区，为创新赋能！
...t;));
HKEY hKey;
LONG rc = RegOpenKey(HKEY_LOCAL_MACHINE, key, &hKey);
if (ERROR_SUCCESS == rc)
{
WCHAR szBuffer[MAX_PATH];
DWORD dwBufferSize = sizeof(szBuffer);
rc = RegQueryValueE...
‘std::tr1’ does not name a template type - C/C++ - 清泛网 - 专注C/C++及内核技术
...te typestd-tr1-does-not-name-a-template-type解决方法：添加头文件 if !defined(_MSC_VER) include <tr1 memory> endifC++ Technical Report 1 (TR1)是ISO IEC TR 19768, C++ Library Extensions（函式库扩充）的 解决方法：添加头文件
#if !defined(_MSC_VER)
#include <tr1/memory>...
使用模拟器构建应用程序 · App Inventor 2 中文网
...e emulator to create apps and test them, and install them on a phone later if you like.
Starting the Emulator
You don’t need to download any additional software to use the emulator. It was included with the software you already downloaded as part of the App Inventor Extras Package. Navigate to t...