custom claim how can
MYSQL出现“ You can't specify target table '表名' for update in FROM clause”
You can't specify target table '表名' for update in FROM clause 翻译：不能先select出同一表中的某些值，再update这个表(在同一语句中) 一、案例 1、有三张表，分别是：学生表，班级表，成绩表 学生表： 班级表： 成绩表： 题目要求 ......
elasticsearch启动报错：can not run elasticsearch as root
java.lang.RuntimeException: can not run elasticsearch as root at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:111) at org.el ......
Python3.10 报错解决"zipimport.ZipImportError: can't decompress data; zlib not available" "ModuleNotFoundError: No module named 'zlib'"
编译没问题，在安装python3.10出现如下错时 试试下面命令，安装zlib的所有依赖包（可能是少了） yum -y install zlib* 安装成功了 参考： python3安装遇到 zipimport.ZipImportError: can't decompress data; zlib ......
How use the RegExp to filter IP address in js All In One
How use the RegExp to filter IP address in js All In One 如何使用 RegExp 在 js 中过滤 IP 地址 192.168.18.1 < 192.168.18.N < 192.168.18.255 ignore IPs: 192.168.1 ......
filebeat篇章——how-filebeat-works
how-filebeat-works Filebeat consists of two main components: inputs and harvesters. These components work together to tail files and send event data t ......
[vite]: Rollup failed to resolve import "APlayer" from "./APlayer/index.vue".This is most likely unintended because it can break your application at runtime.
这个错误提示是在你使用 Vite 构建项目时遇到的。 错误信息提示 Rollup 在构建过程中无法解析 import "APlayer"，而且这很可能会在运行时破坏你的应用程序。这个问题的原因是，APlayer 并不是一个模块，没有被正确地导出到你的项目中。 为了解决这个问题，你需要告诉 Rollu ......
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
今天执行mysql操作的时候出现了错误：ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'问题 1：首先检查是否安装了mysql-server了 su ......
CAN总线分析仪工具-CAN转USB智能协议转换器
ECAN-U01 CAN转USB协议转换器 CAN波特率：出厂默认 100K 通讯接口：USB 电压范围：8～28v DC 产品尺寸：102*64*24mm 产品介绍：ECAN-U01是集成 2 路 CAN 接口的高性能型 CAN-bus 总线通讯分析仪。该分析仪可兼容 USB2.0 总线全速规范， ......
sql语法错误[1093] You can't specify target table 'score' for update in FROM clause
不能在同一张表中将查询非结果集作为更新条件执行 将需要的结果集外层套一层自查询如 update a set a.num=a.num+1 where a.name in (select a.age from a where xx=xxx) ;报错 [1093] You can't specify ta ......
How fast are your disks? Find out the open source way, with fio
https://arstechnica.com/gadgets/2020/02/how-fast-are-your-disks-find-out-the-open-source-way-with-fio/ Storage benchmarking—much like Wi-Fi benchmarki ......
Module not found: Error: Can‘t resolve ‘js-cookie‘
Module not found: Error: Can‘t resolve ‘js-cookie‘ 原因：没有安装js-cookie 解决：npm install -save js-cookie ......
Module not found: Error: Can't resolve 'axios' in 'D:\BaiduSyncdisk\vue-cli-project\dc_vue3\src\utils'
Module not found: Error: Can't resolve 'axios' in 'D:\BaiduSyncdisk\vue-cli-project\dc_vue3\src\utils' 因：没有安装axios插件 在运行项目的地方npm install --save axios ......
How to Configure SSL/TLS on ORACLE RAC
Goal This document will demonstrate the steps required to configure SSL/TLS on RAC or SIHA. Instruction is by example and also shows various methods t ......
How Many O's? UVA - 11038
写下区间[a,b]的所有数 ,问一共有多少个 0 #include <iostream> #include <cstring> #include <vector> using namespace std; #define int long long int n,f[40][40][2][2] ; v ......
What's PLinq? how to use it?
What's PLinq? how to use it? PLinq stands for "Parallel LINQ", which is a parallel implementation of LINQ (Language-Integrated Query) in .NET. It allo ......
pycharm中运行js文件出现UnicodeDecodeError: 'gbk' codec can't decode byte 0xaf in position 205: illegal multibyte sequence报错？
在做有道翻译时发现python文件中调用js文件并读取，出现了UnicodeDecodeError: 'gbk' codec can't decode byte 0xaf in position 205: illegal multibyte sequence报错。其实修改很简单，我们只需要将subp ......
OpenSCA用开源的方式做开源风险治理：Why? What? How?
随着容器、微服务等新技术的快速迭代，开源软件已成为业界主流形态，开源和云原生时代的到来导致软件供应链越来越趋于复杂化和多样化，网络攻击者开始采用软件供应链攻击作为击破关键基础设施的的重要突破口，从而导致软件供应链的安全风险日益增加。 ——《DevSecOps敏捷安全》 一. 开源风险治理为何如此重要 ......
How to improve the accuracy of Tesseract OCR
Preprocess the image: Preprocessing involves applying various techniques to the image to enhance its quality and make it easier for the OCR engine to ......
Train the Tesseract OCR engine[how to do]
Training the Tesseract OCR engine is a complex and time-consuming process that involves several steps. Here is an overview of the process: Prepare you ......
How to fix use the cURL to connect to GitHub with a 443 HTTPS error All In One
How to fix use the cURL to connect to GitHub with a 443 HTTPS error All In One
curl: (7) Failed to connect to raw.githubusercontent.com port 443: 拒绝连接... ......
Clouds remind me that magical things in life can come out of nowhere
Clouds can also transport me away from the duller parts of life, away from boring situations and away from day to day stresses and worries. They get m ......
How to execute a shell script in the .profiles file All In One
How to execute a shell script in the .profiles file All In One
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UVA10943 How do you add?
两个数 n,m，求 用 m 个 [0,n] 的整数相加使其和为 n 的方案数。 #include <iostream> #include <cstring> #include <sstream> using namespace std; const int N =102; const int mod ......
How to use Linux shell command filter the IP address All In One
How to use Linux shell command filter the IP address All In One
如何使用 Linux shell 命令过滤 IP 地址
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How to use the Raspberry Pi to study the Linux kernel source code All In One
How to use the Raspberry Pi to study the Linux kernel source code All In One
如何利用树莓派来研究 Linux 内核源码 All In One
在 Linux 系统中，一切皆文件！
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Udhcpc.user script documentation and how to hotplug for DHCP events
Udhcpc.user script documentation and how to hotplug for DHCP events https://forum.openwrt.org/t/udhcpc-user-script-documentation-and-how-to-hotplug-fo ......
how to use cURL with a variable in the URL string All In One
how to use cURL with a variable in the URL string All In One
如何在 cURL 的 URL 字符串中使用变量
系统变量
环境变量
shell 变量 ......
How to use SSH to access the Raspberry Pi without know the Wi-Fi IP address All In One
How to use SSH to access the Raspberry Pi without know the Wi-Fi IP address All In One
如何在不知道 Wi-Fi IP 地址的情况下使用 SSH 访问树莓派
没有显示器，不知道树莓派 IP 地址的情况下，如何通过 ... ......
ecode custom config
colorschemes.conf [mathtimes] background = #272b2f text = #D4D4D4 caret = #FFFFFF accent = #76BCFF selection = #3465a4 line_number = #909090 line_numb ......