526互联

was before is

error 'XXX' is never reassigned. Use 'const' instead prefer-const

"prefer-const": "off", ......
const 39 prefer-const reassigned instead

mysql连接的时候，null, message from server: “Host ‘xx.xx.xx.xx‘ is not allowed to connect to this MySQL server“

连接mysql的时候，提示“null, message from server: “Host ‘xx.xx.xx.xx‘ is not allowed to connect to this MySQL server“” 解决 出现这个提示，是由于我们使用root用户登录时，没有给root用户设置能访 ......
server xx message allowed connect

[Vue warn]: Property or method "todoName" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option,

## 错误原因 > 先上报错截图 ![](https://img2023.cnblogs.com/blog/2942345/202308/2942345-20230806143312604-1751762480.png) 报错翻译 ： ![](https://img2023.cnblogs.com/ ......
quot referenced the Property instance

Port XXX is already in use. xxxx..解决办法-gradio退出可用

原因：端口被占用，程序启动后关闭但端口依然存在 解决办法：手动杀死端口 1.安装工具（已经有的不需要安装，直接跳到第二步） yum install net-tools -y 命令介绍： yum：自动化简单化地管理rpm包的命令。 install：安装 net-tools：网络工具 2.安装完毕，执行 ......
already 办法 gradio Port xxxx

[async]子线程内开启协程 RuntimeError: There is no current event loop in thread 'Thread-2'

在子线程内直接获取事件循环会报错:RuntimeError: There is no current event loop in thread 'Thread-2',此时的代码为: loop = asyncio.get_event_loop()loop.run_until_complete(协程函数 ......
线程 RuntimeError current Thread thread

[FireDAC][Phys][IB]-312 Exact update affected [0] rows, while [1] was requested

中间件升级为64位后，原因在32位下无错的，在64位下会更新出错 为了统一数据一致性，updateModel=upWhereALL ，更新出现 [FireDAC][Phys][IB]-312 Exact update affected [0] rows, while [1] was requeste ......
requested affected FireDAC update Exact

pip安装error：There was a problem confirming the ssl certificate

``` Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=44 ......
certificate confirming problem error There

Vue3+ setup语法中报错 'defineProps' is not defined（eslint[no-undef]）

## 1. 问题 ### 1.1 场景 使用**Vue3 + setup**语法，使用`defineProps`时出现Eslint错误： ![](https://img2023.cnblogs.com/blog/2240374/202308/2240374-20230803101840773-197 ......
中报 defineProps 语法 no-undef defined

Linux：user is not in the sudoers file. This incident will be reported 解决方法

学习自：user is not in the sudoers file. This incident will be reported 解决方法_一路奔跑94的博客-CSDN博客 1、原因 没有在权限文件中说明该用户具有sudo权限 2、解决步骤 1）以root身份去/etc/sudoers文件中， ......
incident reported sudoers 方法 Linux

报错：This generated password is for development use only. Your security configuration must be updated before running your application in production.

项目报错：This generated password is for development use only. Your security configuration must be updated before running your application in production. 导 ......
configuration development application production generated

安防视频监控平台EasyCVR修改参数提示database or disk is full的原因排查

安防视频融合平台EasyCVR基于云边端一体化架构，可支持多协议、多类型设备接入，包括：NVR、IPC、视频编码器、无人机、车载设备、智能手持终端、移动执法仪等。平台具有强大的数据接入、处理及分发能力。 ......
视频监控 database 参数 原因 EasyCVR

服务器执行hbase shell报错： ipc.AbstractRpcClient: SASL authentication failed. The most likely cause is missing or invalid credentials. Consider 'kinit'.

2023-08-01 21:02:09,923 FATAL [main] ipc.AbstractRpcClient: SASL authentication failed. The most likely cause is missing or invalid credentials. Consi ......
AbstractRpcClient authentication credentials Consider invalid

【Postman】send提示responseBody is not defined

测试中需要接口之间传值，或缓存登录token，send后，提示responseBody is not defined 原因一：查看代码填写的实在请求前还是请求之后，如果是在Postman的request中请求response则不会找到 原因二：请求是在Tests中，仍提示此问题 解决方案1；如代码是 ......
responseBody Postman defined send not

Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: interrupt

执行mybatis的mapper方法时，报错了这个错。 通过网上查找，发现了是JDK版本和oracle版本不一致导致的。（我直接从JDK1.8 换成JDK11就可以了） 以下内容转自：Failed to obtain JDBC Connection； nested exception is java ......
SQLException Connection exception interrupt Failed

transformer/tensorflow报错：ValueError: tensorflow.__spec__ is None , free(): invalid pointer

# transformer/tensorflow报错：ValueError: tensorflow.__spec__ is None , free(): invalid pointer 由于tensorflow版本（tf1）和transformer版本不匹配产生。 解决办法： ``` 1.升级ten ......
tensorflow transformer ValueError invalid pointer

TDengine连接数满了报错:Connection is not available, request timed out after 30000ms.

#### 背景 使用tdengine时遇到一个情况,应用程序使用连接池将接收到的实时数据插入TD时, 会出现获取不到连接的报错. #### 重现 起一个模拟程序,发送100条数据到应用程序, 应用程序从批量插入改为逐条插入td, 重现出报错: ```java org.springframework. ......
Connection available TDengine request 30000

关于调用Web API时出现的错误“The underlying connection was closed: An unexpected error occurred on a send”

客户需求，要求调用他们的API来添加，查找，删除数据。 前些时候写了一个测试程序，调用API是OK的，但是今天突然就出现了"The underlying connection was closed: An unexpected error occurred on a send."的错误。当时的第一反 ......
underlying connection unexpected occurred 错误

报错：WARNING: cannot load logging configuration file, logging is disabled

问题：在webots里使用rospy时报warning。 分析：无 解决方案：参考https://blog.csdn.net/ckkboy/article/details/98504880 1. 在/etc/下创建ros目录 cd /etc/ sudo mkdir ros 2. 将python_lo ......
logging configuration disabled WARNING cannot

Oracle之is null命中索引

IS NULL用于判断某一列中的值是否为空，当IS NULL作为WHERE条件的时候，查询不会命中该列上的索引（具体执行时还要看优化器的策略）。 ```sql -- 1.伪列 + 联合索引，通过加伪列，创建伪联合索引，来使IS NULL命中索引（数据量达到几万时，此索引将不会命中） CREATE I ......
索引 Oracle null

elementUI 日期控件报错 TypeError: dateObject.getTime is not a function

``` date: [ { type: 'date', required: true, message: '请选择日期', trigger: 'change' } ], ``` > 原本的是这样写的，然后添加了`value-format`之后，选完日期就报错了 ``` date: [ { type: ......
控件 dateObject elementUI TypeError function

java.sql.SQLException: null, message from server: “Host ‘***.***.**.**‘ is not allowed to connect to(连不到同一局域网下其他的电脑上的mysql)

1 use mysql; --在mysql数据库中 1 CREATE USER 用户名 IDENTIFIED BY '用户名密码'; --创建一个用户 2 3 GRANT ALL ON 数据库名称.* TO 用户名; --给该用户授权想要连接的数据库 4 5 FLUSH PRIVILEGES; // ......
SQLException 局域网 局域 allowed connect

Centos 7安装k8s 报hostPath type check failed：/sys/fs/bpf is not a direcctory错误解决方法

原创文档编写不易，未经许可请勿转载。文档中有疑问的可以邮件联系我。 邮箱：yinwanit@163.com 说明 Centos 7 系列操作系统在安装k8s时可能会遇到hostPath type check failed：/sys/fs/bpf is not a direcctory错误，该问题为内 ......
direcctory hostPath 错误 方法 Centos

kernel: oracle (xxxx): Using mlock ulimits for SHM_HUGETLB is deprecated

Oracle 数据库运行在linux6/7中,启用大页之后,我们经常在/var/log/messages里面会看到类似这样的记录: Jul 31 09:46:27 p1erpdb01 kernel: oracle (6444): Using mlock ulimits for SHM_HUGETLB ......
SHM_HUGETLB deprecated HUGETLB ulimits kernel

使用 pip 出现 Script file ‘C:\Anaconda3\Scripts\pip-script.py‘ is not present 错误解决办法

某天在虚拟环境使用 pip 更新 tf 的时候莫名其妙出现 Script file 'D:\Anaconda3\Scripts\pip-script.py' is not present 的错误 , 之前用的还好好的 , 但是突然就不能用了，初步猜测是依赖库发生的更新，可以使用如下方式解决： 1、进 ......
pip-script pip Anaconda3 Anaconda 错误

Vue2.6.11+electron13.0.0在渲染进程中使用remote，报错：“TypeError: fs.existsSync is not a function

![](https://img2023.cnblogs.com/blog/1202393/202307/1202393-20230729170842749-5741440.png) * https://blog.csdn.net/weixin_38742935/article/details/119 ......
existsSync TypeError electron function 进程

remote: Support for password authentication was removed on August 13, 2021

一、问题描述 remote: Support for password authentication was removed on August 13, 2021. Please use a personal access token instead. 具体如下： 大概意思：你原先的密码凭证从202 ......
authentication password Support removed remote

NET6 EF Error: The certificate chain was issued by an authority that is not trusted

Error A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: ......
certificate authority trusted issued Error

【报错修复】HRESULT: 0x80070057 The library hostfxr.dll was found, but loading it from C:\Program Files\dotnet\host\fxr\5.0.17\hostfxr.dll failed

``` 我写了一个winform程序， 拷贝到win7系统上，提示需要下载.net 给的链接是 https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win7-x64&apphost_version=5.0.3& ......
hostfxr 0x80070057 x80070057 dll 80070057

Pyinstaller打包Pyro4为啥总是报：serializer 'json' is unknown or not available

### 现象描述： 在使用Pyro4时，当需要将其打包成exe运行时，总是遇到：Pyro4.errors.SerializeError: serializer 'json' is unknown or not available 的错误提示； 但是当我们直接使用 python xxxx.py 运行或 ......
Pyinstaller serializer available unknown Pyro4

npm ERR! `perfix` is not a valid npm option

全局路径cmd命令：npm config set perfix "D:\Program Files\nodejs\node_global" 缓存路径cmd命令：npm config set cache"D:\Program Files\nodejs\node_cache" 在注册nodejs全局路径 ......
npm perfix option valid ERR
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