最近遇见一个奇怪的现象,在做某系统的定期备份的时候使用到了非系统自带Rsync命令,但是手动启动没问题,而且又非常期望批量化在多台主机上进行,怎么办呢?Windows Server 2003下面这样执行任务计划没问题,而…
Winsock 10053错误分析 WSAGetLastError可能会返回10053错误,查msdn的解释是: WSAECONNABORTED 10053 Software caused connection abort. An established connection was aborted by the software in your host computer, possibly due to a data tran…
1.请看如下代码
class Person { private int a;public int change(int m){return m;}
}public class Teacher extends Person{ public int b;public static void main(String arg[]){ Person p new Person(); Teacher t new Teacher(); int i; // point x }
}下面哪些放在/…
传送门
A. Three swimmers #include <bits/stdc.h>
#define inf 0x7fffffff
#define ll long long
#define int long long
//#define double long double
#define eps 1e-8
//#define mod 1e97
using namespace std;
const int mod1e97;
const int M2e35;
const int N2*…
梯度下降法优化目标函数 Nowadays we can learn about domains that were usually reserved for academic communities. From Artificial Intelligence to Quantum Physics, we can browse an enormous amount of information available on the Internet and benefit from it. …