connection the localhost refused
B. Complete The Graph
B. Complete The Graph ZS the Coder has drawn an undirected graph of $n$ vertices numbered from $0$ to $n - 1$ and $m$ edges between them. Each edge of ......
error: RPC failed; curl 55 OpenSSL SSL_write: Connection was aborted, errno 10053
git 初始化上传本地代码到远程出现异常 造成的可能原因： 1.网络原因 2.无效的代理 3.一次性推送的代码量过大 解决方法： 1.网络原因可以等一段时间网络良好的情况上传 2.无效代理的情况如下设置 git config http.sslVerify "false" 3.一次性推送代码量过大的情 ......
How to change the default Python2 to Python3 on Linux All In One
How to change the default Python2 to Python3 on Linux All In One
在 Linux 中如何把默认的 Python2 更改为 Python3
.bashrc / .zshrc alias
symbolic link 符号链接
......
K8S异常之Unable to connect to the server: x509: certificate has expired or is not yet valid【转】
一、问题：k8s证书过期 [root@nb001 ~]# kubectl get node Unable to connect to the server: x509: certificate has expired or is not yet valid: current time 2022-12 ......
cryptohack wp （CRYPTO ON THE WEB篇）（持续更新)
#Token Appreciation  ``` import jwt jwt_token = "eyJ0eXAi ......
the way to make jupyter output cell has a dark background in vscode
# the issue to be fixed As shown in the picture, jupyter output cell has a bright background, even it's ask to use dark background.  **发表时间：**2021(NeurIPS 2021) **文章要点：**这篇文章提出一个tandem learni ......
CF1819C The Fox and the Complete Tree Traversal
# [$\color{purple}\text{The Fox and the Complete Tree Traversal}$](https://www.luogu.com.cn/problem/CF1819C) 比较有意思的一题。先考虑一个序列的权值。对长度为 $len$ 的序列排序，价值为 ......
win10 docker 无法通过localhost访问mysql，设置mysql 允许所有IP 访问
默认情况下，Mysql数据库只允许localhost访问，但我们在docker中想要访问本地数据库时，又无法通过localhost访问，因为localhost指的是容器内部。 在这种情况下，我们就需要设置部署在docker中的数据库连接字符串的Ip地址和设置mysql允许所有IP地址访问。 我们可以 ......
sshpass报错 Permission denied, please try again.和 connect to host localhost port 10022: Connection refused
最近在做自动化时，自动化脚本用sshpass给远程机器发送命令(sshpass -p "123456" ssh -p 10022 root@localhost -o StrictHostKeyChecking=no "poweroff") 报错:Permission denied, please t ......
git指令连接库失败：OpenSSL SSL_read: Connection was reset, errno 10054
# 一、问题描述 无论是git clone还是git push之类的需要连接库的指令都会出现 ``` `fatal: unable to access 'http://github.com/我的库/': OpenSSL SSL_read: Connection was reset, errno 10 ......
git拉取代码出现“remote: The project you were looking for could not be found.”错误分析
如果输入的远程地址正确，那么极大可能是用户未登录或多个用户登录无法正确获取你想要的用户，如下图所示， 由于之前有同事在我电脑登录git账号，所以在windows凭据中保存了2个git账号，而默认使用的第一个账号的远程库中不存在我想要的目标仓库数据，就出现了“remote: The project y ......
AtCoder Regular Contest 132 F Takahashi The Strongest
[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc132_f "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc132/tasks/arc132_f "AtCoder 传送门") 没见过这种在新运算 ......
git 报错：fatal: unable to access 'https://XXXX.../': Failed to connect to github.com port 443 after 21023 ms: Timed out
问题： 下载github开源项目时报错 原因： 以前用过代理，这里取消代理就可以了 git config --global --unset http.proxy 结果： ......
How to find the TLS used for the SQL Server connection
本文是How to find the TLS used for the SQL Server connection这篇英语文章的翻译，此文出处请见于文章底部链接：原文出处[1] 对于客户，我做了一些研究，如何找出SQL Server数据库会话连接使用了哪一种TLS协议。唯一的方式就是创建一个扩展事件 ......
IDEA配置jdk（或者IDEA代码报错The SDK is not specified for module）
参考：https://blog.csdn.net/mask_boys/article/details/117385087 今天敲代码时，出现一个错误，那就是The SDK is not specified for module，意思是没有为模块添加SDK，所以会出现如下错误 如何解决这个问题呢： 首 ......
use SSH to connect to Raspberry Pi methods All In One
# use SSH to connect to Raspberry Pi methods All In One > `Raspberry Pi` ## user@hostname ```sh # 无需知道 Raspberry Pi 的 IP Address， 即可使用 SSH 连接 👍 $ ssh ......
flask_SQLAlchemy 出现了 Lost connection to MySQL server during query Mysql主机连接超时 错误。如何解决
使用python flask框架 flask_sqlalchemy 时出现了 Lost connection to MySQL server during query Mysql主机连接超时的问题 由于Mysql会定时处理长时间未连接使用的连接池 具体时长可通过 查看 show variables ......
MYSQL设置密码时显示Failed! Error: SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication d
用这个命令进入mysql sudo mysql 在sql命令行输入以下命令回车，你就可以把密码改成mynewpassword ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password by 'mynewpassword ......
MYSQL设置密码时显示Failed! Error: SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication d
用这个命令进入mysql sudo mysql 在sql命令行输入以下命令回车，你就可以把密码改成mynewpassword ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password by 'mynewpassword ......
【macOS】brew update报错：fatal: unable to access xxx & LibreSSL SSL_connect 解决方案
# ✨报错提示  ```bash fatal: unable to access 'https://mirrors ......
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
``` org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: Access denied for user 'root'@'local ......
The server encountered an internal error that prevented it from fulfilling this request.
``` org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnection ......
如何设置socket的Connect超时(socket默认超时)(转)
原文：http://www.jzy789.com/t/04LZhzp.html 1.首先将标志位设为Non-blocking模式，准备在非阻塞模式下调用connect函数 2.调用connect，正常情况下，因为TCP三次握手需要一些时间；而非阻塞调用只要不能立即完成就会返回错误，所以这里会返回EI ......
Git拉取代码报错：Can't Update No tracked branch configured for branch dev or the branch doesn't exist.To make your branch track a remote branch call
错误： 解决方法： 第一步： git pull origin(远程仓库名称) develop(远程分支名称) --allow-unrelated-histories 第二步： git branch --set-upstream-to origin(远程仓库名称)/develop(远程分支名称) de ......
printk - The standard C library routine printf()
如下库我试过，只用定义下out_char函数即可，重定向一下 out_char 1 /* 2 * File: printk.c 3 * Purpose: The standard C library routine printf(), but without 4 * all the baggage. ......
Nginx_启动时报错：Job for nginx.service failed because the control process exited with error code. See "systemctl stat
一、报错如下Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for d ......
2018 ICPC Asia Qingdao (The 1st Universal Cup, Stage 9)
 # E 看完题想到二分答案直接一步步贪心，没多想直接和队友说了下，感觉贪心会有点问题，放了一会后冷静分 ......
ERROR 1698 (28000): Access denied for user ‘root’@'localhost’解决方法
1、问题描述在使用如下指令进入mysql shell界面时： mysql -u root -p 报错：ERROR 1698 (28000): Access denied for user 'root'@'localhost' 参考博客：出现ERROR 1698 (28000): Access den ......
RuntimeError: The size of tensor a (7375) must match the size of tensor b (6776) at non-singleton dimension 0
报错的代码位置： 1. 1 File "F:\recommend experience\doing\modeldemo.py"中的： 2 3 self.user_dgi_feat = self.dgi.encoder(self.user_feat_sp_tensor).detach() 2. Fil ......