Problem Description Given a nn matrix Cij (1<=i,j<=n),We want to find a nn matrix Xij (1<=i,j<=n),which is 0 or 1. Besides,Xij meets the following con ...
分类:
其他好文 时间:
2020-12-21 12:00:49
阅读次数:
0
PowerShell scripts Run PowerShell on Windows as a administrator. And set the execution policy. Set-ExecutionPolicy Unrestricted Following is a simple ...
分类:
Web程序 时间:
2020-12-10 10:45:47
阅读次数:
6
Prerequisite The following softwares are assumed installed: 64bit OS, Linux/Unix/Mac is recommended;(Windows user see guide below) 64bit JDK 1.8+; Mav ...
分类:
系统相关 时间:
2020-12-09 11:57:43
阅读次数:
8
1、窗口函数 窗口范围限定: OVER() CURRENT_ROW 当前行 N PRECEDING 向前N行 N FOLLOWING 向后N行 UNBOUNDED PRECEDING 起点 UNBOUNDED FOLLOWING 终点 order by[asc/desc] 有序 partition ...
分类:
其他好文 时间:
2020-11-30 16:12:44
阅读次数:
9
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted i ...
分类:
其他好文 时间:
2020-11-25 12:59:50
阅读次数:
14
Transfer data from Hospital to Regional System Microsoft provides you the following solutions for emergency response: The Hospital Emergency Response ...
分类:
移动开发 时间:
2020-11-23 12:41:15
阅读次数:
24
问题原因是 Windows不支持pcntl库 ,参考 https://stackoverflow.com/questions/30045085/how-to-install-pcntl-extension-in-windows 解决方案: https://stackoverflow.com/ques ...
You are given a perfect binary tree where all leaves are on the same level, and every parent has two children. The binary tree has the following defin ...
分类:
其他好文 时间:
2020-11-20 12:00:39
阅读次数:
9
报错Failed to install the following SDK components: platforms;android-29 Android SDK Platform 29 解决方法: 更新licenses,然后重新build即可 cd /Users/tmh/Library/Andr ...
分类:
移动开发 时间:
2020-11-18 12:25:18
阅读次数:
26
zabbix推荐使用nginx服务器,性能较高。为了满足安全访问,现在需要配置https,主要是对nginx的ssl模块进行配置,还要生成zabbix-server对应的证书文件之前已经安装过zabbix5.0,选择的配置环境如下:详细的安装方法见官方文档:https://www.zabbix.com/download?zabbix=5.0&os_distribution=centos&a
分类:
Web程序 时间:
2020-11-01 21:41:34
阅读次数:
33