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MySQL 日志
错误日志(Error log) # 错误日志默认是关闭的 # 默认路径是 $datadir/,默认的名字是'主机名.err' # 配置方式 [root@db02 ~]# vim /etc/my.cnf [mysqld] server_id=1 basedir=/usr/local/mysql dat ...
分类:数据库   时间:2020-07-21 23:12:39    阅读次数:94
centos7关机自动进行远程服务器备份
centos7关机自动进行远程服务器备份 编写关机及其重启后执行的脚本 注:实验发现关机及其重启后执行的脚本的脚本中不能嵌套调用其它脚本。 该脚本需要应该与服务程序中ExecStart项相对应。及该脚本名为/home/lhx/reboot.sh 且需要安装expectyum install expe ...
分类:其他好文   时间:2020-07-21 22:42:33    阅读次数:87
[POJ1354D]Multiset(权值线段树)
【原题】 Note that the memory limit is unusual. You are given a multiset consisting of nn integers. You have to process queries of two types: add integer  ...
分类:其他好文   时间:2020-07-21 21:33:29    阅读次数:83
npm install 报错问题 The operation was rejected by your operating system. 及设置设置始终以管理员身份运行cmd窗口
The operation was rejected by your operating system. It's possible that the file was already in use (by a text editor or antivirus), or that you lack ...
分类:其他好文   时间:2020-07-21 13:47:31    阅读次数:273
What is react.js?
ReactJs as a JavaScript library created by Facebook that lets us build dynamic user interfaces. What this dynamic user interface even means is that we ...
分类:Web程序   时间:2020-07-21 09:48:32    阅读次数:76
Waterloo Local Contest 2019 (22 June, 29 September)
https://www.jisuanke.com/contest/11360/challenges 其他题慢慢补 C. Pawn‘s Revenge You are playing a special chess game against a professor and you've almost ...
分类:其他好文   时间:2020-07-21 09:39:48    阅读次数:95
How to prevent user to login second time when its already logged in.
How to prevent user to login second time when its already logged in. If you are using Forms Authentication, it should already be storing your Authenti ...
分类:其他好文   时间:2020-07-21 09:34:28    阅读次数:78
python字符串的常用方法。
本文收录python字符串的常用方法 str1 = " hello world,i love you " print(str1) print(str1.strip()) # strip()删除开头和结尾的空白。 print(str1.split()) # split()拆分,使分割。默认是以空格进行 ...
分类:编程语言   时间:2020-07-21 01:09:15    阅读次数:87
Penetration Test - Planning and Scoping(6)
Penetration Test - Planning and Scoping(6) LEGAL CONCEPTS Statement of Work(SOW) Clearly states what tasks are to be accomplished Master Service Agree ...
分类:Web程序   时间:2020-07-21 01:05:18    阅读次数:99
数据相关关系计算:斯皮尔曼等级相关 Spearman
公式: di=xi-yi 注意:这里的Xi、Yi是原始数据的等级,也就是排序序号,不是元素数据值。 取值-1到+1之间, 为正时表示正相关, 为负时表示负相关, 等于零时表示相关为零。但与相关系数不同的是,它是建立在等级的基础上计算的,较适用于反映序列变量的相关。 ...
分类:其他好文   时间:2020-07-21 01:04:39    阅读次数:123
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