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scoped_ptr 与 auto_ptr 与 shared_ptr 区别总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tr 是可以共享所有权的智能指针。
测试实例如下：
#include "stdafx.h"
//#include "windows.h"
#include <memory>
#include <iostream>
using std::tr1::shared_ptr;
class Foo
{
public:
Foo()
{
std::cout<<"new Foo()"<<std::endl;
i = 0;
}
~Foo()
{
std::c...
c++ 写日志通用类，可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，可用性高。Logger.h
#ifndef __LOGGER_H_
#define __LOGGER_H_
#include <iostream>
#include <atlstr.h>
#pragma warning(disable:4996)
#define LEVEL_FATAL 0
#define LEVEL_ERROR 1
#define LEVEL_WARN 2
#define LEVEL_INFO 3
#define LEVEL_VERBOSE 4
#define LEVEL_DEBUG 5
static...
error C2872: “count”: 不明确的符号 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(4) : int count” 或 “C:\Program Files\Microsoft Visual Studio 11.0\VC\INCLUDE\xutility(3251) : iterator_traits<_Iter>::difference_type std::count(_InIt,_InIt,const _Ty &)”
conflict.cpp(12) : error C2872: “count”: 不明确的符号 可能是“conflict.cpp(4) : int count” 或 “C:...
MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
部分代码如下，需自行调整：
MyDateTime.h
#pragma once
#include <vector>
#include "../Resource.h"
/////////////////////////////////////////////////////////////////////////////
// CMyDateTime window
class CMyDateTime : public CDateTimeCtrl
{
// Construction
public:
C...
Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...
...漏洞检测方法
请自行检测：
[[test]] $ cat > GHOST.c << EOF #include <netdb.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #define CANARY"in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main...
c++11 std::call_once只调用一次函数，类似单例模式 - C/C++ - 清泛网 - 专...
...或者多线程的情况下，始终只会被执行一次，Demo如下： include <iostream> include <thread>static std::once_flag g_once_flag std::call_once 保证函数或者一些代码段在并发或者多线程的情况下，始终只会被执行一次，Demo如下：
#include <iostream>
...
Difference between Java SE/EE/ME?
...
Here are some differences in terms of APIs
Java SE includes has the following APIs and many more
applet
awt
rmi
jdbc
swing
collections
xml binding
JavaFX (Merged to Java SE 8)
Java 8 Collections Streaming API
Java 9 Reactive Streams API
Java 9 HTTP/2 API
Java EE incl...
What is the best project structure for a Python application? [closed]
...s all this stuff is named /quux.
Another project's PYTHONPATH, then, can include /path/to/quux/foo to reuse the QUUX.foo module.
In my case, since I use Komodo Edit, my IDE cuft is a single .KPF file. I actually put that in the top-level /quux directory, and omit adding it to SVN.
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input type=“text” vs input type=“search” in HTML5
... type="search" /> IMO there wasn't any difference in all major browser including Safari, Chrome, Firefox and Opera. And the search field also behaves like a regular text field.
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Pretty-Print JSON in Java
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Well I included code to parse a string into a JsonElement, usually you already have that from previous work you do with the JSON data. But I wanted to include it here to make the usage clearer.
– Ray Hulha
...