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1130 - Host 'xxx' is not allowed to connect to this MySQL server
安装mysql-5.7.32数据库时，使用Navicat工具连接数据库时，出现Host 'xxx' is not allowed to connect to this MySQL server，详情如下： 两种解决方案，任选一个即可： 1、修改mysql数据库用户表数据 执行如下SQL命令： use ......
薪火相传经验谈——如何做科研
闫杰熹：沟通，让科研变得美好 与自己沟通，与导师沟通 潘玲：我在科研中的苦与乐 跳出舒适圈，探索不熟悉的方向 找到有意义的研究问题 坚持，自信 用slice或者word把这段时间的工作或者思考清晰地写下来 游凯超：我的科研经历与科研习惯 袁粒：读博不易，且读且珍惜 ......
Docker启动失败，报错Cannot connect to the Docker daemon at unix:///var/run/docker 完美解决方案
问题描述： Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? 首次安装docker后，服务没有自启动 解决方案： 查看docker状态 1 service ......
Docker启动报错：Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
问题描述： Docker启动报错：Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? Cannot connect to the Docker daemon ......
ARMv8.0下duckdb的安装与编译过程-解决 Failed to allocate block of 2048 bytes
ARMv8.0下duckdb的安装与编译过程-解决 Failed to allocate block of 2048 bytes 背景 duckdb 是一个很流行的单机版数据库引擎 同事下载了相关的预编译的二进制, 发现duckdb会报错如下: "Out of Memory Error: Faile ......
CentOS 8 解决 Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist
原因 CentOS-8于2021年12月31日停止了源的服务。 解决办法 3.1. 备份原有的yum源配置文件 cd /etc/yum.repos.d/ mkdir bak; cp *.repo bak/ 执行如下命令，替换配置文件内容 sed -i 's/$releasever/8-stream/ ......
[论文阅读] Generalizing to Unseen Domains: A Survey on Domain Generalization
Generalizing to Unseen Domains: A Survey on Domain Generalization 代码地址：https://github.com/jindongwang/transferlearning/tree/master/code/DeepDG I. Intr ......
dolphinscheduler报错：Connect to 192.168.xx.xx:8088 [192.168.xx.xx/110.173.196.1] failed: connect timed out
报错信息： 在dophin中抽取mysql的数据到hive中报错 [ERROR] 2023-10-20 15:33:10.461 org.apache.dolphinscheduler.common.utils.HttpUtils:[73] - Connect to 192.168.xx.xx:80 ......
Pixie: A System for Recommending 3+ Billion Items to 200+ Million Users in Real-Time
目录概符号说明Pixie Eksombatchai C., Jindal P., Liu J. Z., Liu Y., Sharma R., Sugnet C., Ulrich M. and Leskovec J. Pixie: A system for recommending 3+ billio ......
xxl-job执行java任务报错： unable to find valid certification path to requested target
1、错误：xxl-job调用https接口显示证书验证失败 [错误信息：sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBu ......
问题（小程序）：Uncaught (in promise) thirdScriptError {"errMsg":"redirectTo:fail can not redirectTo a tabbar page"} Object(env: Windows,mp,1.06.2308310; lib: 2.11.0)
这个是跳转出现了问题，点击之后跳转不过去。 解决办法：换一种跳转方式。 方式一：wx.redirectTo：关闭当前所在页面，再跳转到指定的非TabBar页面。不受页面层数限制。 方式二：wx.navigateTo：不关闭当前所在页面，跳转到指定的非TabBar页面，注意页面路径限制是五层。 方式三 ......
[922] Implementation of zooming to selected features by Python
ref: ArcPy.mp Get Selected Features Extent ref: Python/ArcPy classes/Geometry # Set the path to your project file (.aprx) project_file = r"Map 1.3 Her ......
[LeetCode] 2525. Categorize Box According to Criteria
Given four integers length, width, height, and mass, representing the dimensions and mass of a box, respectively, return a string representing the cat ......
[918] Copy the formatting from one cell in a table of a Word document to another cell in Python
To copy the formatting from one cell in a table of a Word document to another cell, you can use the python-docx library in Python. Here's a step-by-st ......
[919] Change the horizontal alignment of a cell to center within a table of a Word document using Python
To change the horizontal alignment of a cell to center within a table of a Word document using Python and the python-docx library, you can set the ali ......
[920] Copy the font style from one cell in a table of a Word document to another cell using Python
To copy the font style from one cell in a table of a Word document to another cell using Python and the python-docx library, you can access the font p ......
[915] Implementation of zooming to layer and exporting to PDF in arcpy
ref: Camera - ArcGIS Pro ref: Introduction to arcpy.mp # Set the path to your project file (.aprx) project_file = r"Map 1.3 Heritage.aprx" # Reference ......
what happend to your life
今日看到雅思阅读， 剑桥18 test 4-3，有一句话写的很有意思。摘录 I am firmly of the opinion that most of us, Wegener included, are not in any real sense the authors of our own l ......
使用fail2ban防止SSH暴力破解
简介 Fail2Ban 是一个针对恶意行为进行自动防御的开源软件。它监视日志文件中的恶意行为，并采取相应的措施。 安装 yum install fail2ban -y 启动 systemctl start fail2ban systemctl enable fail2ban 配置 vi /etc/f ......
Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources
Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources 一、问题背景 在 SpringBoot 工程编译过程中，出现报错信息：“Failed to execute goal org. ......
How to get macOS CPU details information in the command line All In One
How to get macOS CPU details information in the command line All In One
如何通过命令行获取 macOS CPU 的详细信息
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asp.net core signalr 客户端调用服务端方法报：Error:Failed to invoke 'adduserToConnection' due to an error on the server
TS端调用方法为： connection.start() .then(() => { connection.invoke("adduserToConnection",account,connection.connectionId); }) .catch((err) => { console.erro ......
Build Action & Copy to Output Directory
解决方案下的所有文件都有Build Action和Copy to Output Directory这2个属性，二者是独立无关的，前者决定在编译时编译器如何处理文件，后者仅单纯的决定是否将文件也拷贝一份到输出目录。 Build Action None: The file is not included ......
比赛经验（10/18）
（1）有些比赛问题可以用公式直接计算，仔细辨别，不要盲目计算 （2）注重时间复杂度的分析，估算时间，选择合适的算法或者其他解题方式 时间复杂度 （3）对于出错的题目先跳过，一直提交可能会蒙圈，返回来再写时可能会清晰些 ......
Windows -- 关于报错：“In included file: too few arguments provided to function-like macro invocat”解决方法
遇到报错如下： 点进去minwindef.h里报错显示： 点进winnt.h报错显示： 关于图一的报错，网上搜了一些解决方法如下： https://www.coder.work/article/568385 https://blog.csdn.net/Lyn_B/article/details/10 ......
Go - Creating Subtests to Have Finer Control Over Groups of Test Cases
Problem: You want to create subtests within a test function to have finer control over test cases. Solution: Use the t.Run function to create subtests ......
Nginx配置错误：connect() failed (10061: No connection could be made because the target machine actively refused it) while connecting to upstream
问题描述 今天本打算学一下Nginx反向代理发送请求到OpenResty(其实也就是个Nginx，可以把它理解成Anaconda中的python版本)，再通过OpenResty使用Lua脚本向Redis或数据库查找缓存来着，在配环境的时候报了个502错误。 我把我的环境描述下，这样如果有遇到这个问题 ......
Failed to stop auditd.service: Operation refused, unit auditd.service may be requested by dependency only (it is configured to refuse manual start/stop).
[root@7 ~]# systemctl stop auditd.service Failed to stop auditd.service: Operation refused, unit auditd.service may be requested by dependency only (i ......
Qt/C/C++ 项目工程架构搭建设计经验
独立负责一个Qt项目和经过前辈的教导后的一些架构搭建感悟，其中的各种理念对其他语言开发的项目也能有一定的互通，能带来更舒适的开发体验，谨代表个人开发的经验之谈，有需要的小伙伴酌情获取，辩证思考。 ......
Redission并发锁报错：IllegalMonitorStateException: attempt to unlock lock, not locked by current thread by node id
生产上突然出现一条报错 j.l.IllegalMonitorStateException: attempt to unlock lock, not locked by current thread by node id: 1411e030-3c44-48d7-9eb6-6030022ce681 th ......