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How to calculate the time interval between two time strings
I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
Clear a terminal screen for real
Using the clear command on the terminal only fools the user into thinking the screen has been cleared...you can still see output from the previous commands when you scroll using the mouse. This makes life difficult when you are drowning in a tsunami of text.
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Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
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C++11 rvalues and move semantics confusion (return statement)
I'm trying to understand rvalue references and move semantics of C++11.
6 Answers
6
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c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...定时器，1秒后触发
KillTimer(TIMER_ID); //取消定时器
//.h文件函数申明
afx_msg void OnTimer(UINT_PTR nIDEvent);
//.cpp函数定义
void CxxDlg::OnTimer(UINT_PTR nIDEvent)
{
switch (nIDEvent)
{
case TIMER_ID:
{
//do something
}
break;
de...
Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...FIG_FILES([
Makefile
lib/Makefile
])
AC_OUTPUT()
build.sh：（脚本说明了automake执行步骤及输出）
#!/bin/sh
# configure.in -> aclocal.m4
aclocal
# aclocal.m4 -> configure
autoconf
# avoid: required file `build/ltmain.sh' not found
# --copy co...
c/c++如何获取CPU的序列号？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...列号？获取CPU序列表的完整实例代码如下：#include "stdafx.h"#include <afx.h>CString GetCpuSerial(){unsigned long st1 = 0;un...获取CPU序列表的完整实例代码如下：
#include "stdafx.h"
#include <afx.h>
CString GetCpuSerial()
{
unsigned long st1 = 0;
unsi...
[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
[源码实例] c/c++获取网卡mac地址代码如下：#include "stdafx.h"#include <afx.h>#include < nb30.h > #pragma comment(lib,"netapi32.lib")typedef struct _ASTAT...代码如下：
#include "stdafx.h"
#include <afx.h>
#include < nb30.h >
#pragma comment(lib,"netapi32.lib")
typedef s...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘i...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘int’ is not a class, struct, or union type先看下面的代码(来自:SO)：#include <iostream>#include <cmath>#include <vector>using namespace std;double distance(int a, in...先看下面的代码(来自: SO)：
#include <i...
VC IP地址控件（CIPAddressCtrl ）的自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
VC IP地址控件（CIPAddressCtrl ）的自绘先看效果图：代码：.h#pragma once class CMyIPCtrl : public CIPAddressCtrl{DECLARE_DYNAMIC(CMyIPCtrl)public:CMyIPCtrl();virtua...先看效果图：
代码：
.h
#pragma once
class CMyIPCtrl : public CIPAddressCtrl
{
DECLARE_DYNAMI...