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sklearn 中的 r2_score
$R^2$不止一种定义方式,这里是scikit-learn中所使用的定义。 As such variance is dataset dependent, R² may not be meaningfully comparable across different datasets. Best pos ...
分类:其他好文   时间:2020-11-25 12:34:00    阅读次数:5
sql盲注
sql盲注 low 构造 1and 1=2 回显 User ID exists in the database.,说明是字符型注入 构造 1' 回显 User ID is MISSING from the database. 构造 1' -- + User ID exists in the data ...
分类:数据库   时间:2020-11-11 15:55:23    阅读次数:15
116. Populating Next Right Pointers in Each Node 连接右节点
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:2020-10-27 11:41:41    阅读次数:23
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. P ...
分类:数据库   时间:2020-10-20 16:33:15    阅读次数:35
通过 ansible 部署二进制 mysql 8
通过 ansible 部署二进制 mysql 8
分类:数据库   时间:2020-10-19 22:21:13    阅读次数:30
java实现简单的聊天,单线程程序
第一个发送 public class May { public static void main(String[] args) {// 单线程程序 try { ServerSocket socket = new ServerSocket(2233);//端口号 Socket soc = socket ...
分类:编程语言   时间:2020-10-18 09:55:39    阅读次数:31
Redis之MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist………………
Redis问题 MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are dis ...
分类:数据库   时间:2020-10-13 17:08:07    阅读次数:33
LeetCode #41 First Missing Positive
###题目 First Missing Positive ###解题方法 题意是从1开始按顺序找(1,2,3,...),找到第一个数组中没有的数,返回。 题意要求时间复杂度O(n),空间复杂度O(1),先用python自带的O(logn)的Timsort排序,设置一个missingnum变量,表示从 ...
分类:其他好文   时间:2020-10-12 20:14:24    阅读次数:21
Emmet.vim教程
文章来源:https://www.cnblogs.com/wuhua1/p/6848960.html Emmet.vim 教程 May 5, 2012 目录 1 下载 Emmet.vim 2 安装 Emmet.vim 3 使用 Emmet.vim 4 余话 Emmet 项目原先叫 Zen Codin ...
分类:系统相关   时间:2020-10-09 21:21:42    阅读次数:39
二进制部署K8s集群第24节平滑切换版本技巧
一、K8s平滑切换版本技巧1.1升级方法1一台服务器操作完成切换,再操作第二台、第三台...2、删除一台node节点3、关闭升级机器负载匀衡4、删除老版本软链接,新版本做软链接5、拷贝老版本重启脚本证书到新软版本软件目录6、重启kubelet、kube-scheduler、kube-apiserver、kube-proxy、kube-controller-manager1.2删除Node节点hds
分类:其他好文   时间:2020-10-08 19:11:59    阅读次数:20
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