solution p9194 the of
vue3+echart5 遇到的坑 Cannot read properties of undefined (reading 'type')(转)
原文:https://www.cnblogs.com/Bin-x/p/15342949.html 1、错误说明 vue3中,使用data的方式初始化echart图表 export default { data() { return { chart: null, ... } }, mounted() ......
typescript vue3 VueDraggable 报错 Uncaught TypeError: Cannot read properties of null (reading 'element')
Uncaught TypeError: Cannot read properties of null (reading 'element') nnot read properties of null (reading 'index') 错误写法 就是说子组件需要用div包着,你用其他东西,他无法添加 ......
main.c: In function ‘main’: main.c:7:14: warning: implicit declaration of function ‘factorial’ [-Wim
先写了主函数(主函数位置在最前),然后在主函数里调用了其他函数,但是这样调用的话先运行的是主函数,当主函数结束时,还没运行到调用函数,所以才会报错。 解决:main函数在最后(推荐);使用函数声明; #include <stdio.h> int main() { long factorial(int ......
Oracle OEM中EMGC_OMS1指标警报The heap usage使用率过高
Oracle OEM中EMGC_OMS1指标警报The heap usage使用率过高 OEM报警EMGC_OMS1目标堆内存占用率过高。 我的环境OEM版本是13.3。 默认监控目标EMGC_OMS1的最大内存使用是1740M,当前的最大堆内存值对于实际的 OMS 负载来说太低了。 由于已经定期生 ......
springBoot启动 Error running Application. Command line is too long. Shorten the command line via JAR manifest or via a classpath file and rerun.
1. 打开SpringBoot启动配置 2.选择shorten command line 3.apply保存就行了 ......
Salt formation: an effective means to improve the physical and chemical properties of drug molecules and enhance the druggability of drugs
Salt formation is one of the effective means to improve the physicochemical properties of drug molecules and enhance drug-forming properties. ......
Introducing QCN9274: The Next Generation of Wi-Fi 7 Wireless Networking
Are you tired of slow internet speeds and dropped connections? Want to upgrade your wireless network to the latest and greatest technology? Look no fu ......
Linux中使用ntpdate同步失败报错:14 Apr 08:42:12 ntpdate[1255]: the NTP socket is in use, exiting:解决方法.
报错信息: 报错原因: 1、可能是因为同步的域名信息没有解析到。 2、可能是因为服务的问题导致没有同步成功。 解决方法: 1、先关闭ntpd服务。 [root@k8s-master01 ~]# service ntpd stop Redirecting to /bin/systemctl stop ......
HDU - 7125 Master of Shuangpin
D. Master of Shuangpin time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output As you know, there ......
JSON Web Tokens (JWT) — the only explanation you will ever need
本文摘抄自 Ariel Weinberger 博客 JSON Web Tokens (JWT) — the only explanation you will ever need | by Ariel Weinberger | Medium JSON Web Tokens (JWT) — the o ......
How to Calculate the size of archive log files each day
Calculate the size of archive log files each day SQL> SELECT TRUNC(COMPLETION_TIME) ARCHIVED_DATE, SUM(BLOCKS * BLOCK_SIZE) / 1024 / 1024 SIZE_IN_MB F ......
Visual Stadio 编译提示 The BaseOutputPath/OutputPath property is not set for project ...
完整的错误信息是: The BaseOutputPath/OutputPath property is not set for project 'xx.csproj'. Please check to make sure that you have specified a valid combina ......
taro3.6.4 在H5 端使用 tabBar 出现bug --- taro Cannot read properties of undefined (reading 'list')
taro3.6.4 在H5 端使用 tabBar 出现bug 解决办法就是换版本 3.6.2 好像没有这个问题 已经有人反馈了, https://github.com/NervJS/taro/issues/13581 taro Cannot read properties of undefined ......
Chain of Thought(思维链)
"思维链"(Chain of Thought)是指一系列有逻辑关系的思考步骤或想法,这些步骤或想法相互连接,形成了一个完整的思考过程。它是指导我们思考和解决问题的一种方法,可以帮助我们更好地理解问题、分析问题和解决问题。 一个有效的思维链应该具有以下特点: 逻辑性:思维链中的每个思考步骤都应该是有逻 ......
Understanding the different flavors of Clang C and C++ compilers in Windows
https://blog.conan.io/2022/10/13/Different-flavors-Clang-compiler-Windows.html This article will explain the different flavors of Clang C and C++ comp ......
运行项目报错Cannot read property 'styles' of undefined
原因是安装依赖版本不对,以下是我的解决办法: 1、先删除项目中package-lock.json 文件 及node_modules文件(可使用rimraf指令删除node_modules,直接删文件很慢) 2、执行 npm i --legacy-peer-deps 指令,会发现自动帮我们生成了pac ......
TypeError: Cannot read properties of undefined (setting '××××××')
前言 由于在编写代码时经常遇见如下报错信息,找到原因后在此做个小总结 解析 1、变量未定义:当我们在尚未定义或未初始化的变量上设置属性,就会出现此错误 let obj; obj.name = 'aaa';//throw the error 要解决此问题,我们可以在设置属性之前使用空对象或适当的初始值 ......
mssql server 2012数据库 jdk8 + springboot 项目 报错:SQL Server (SSL) encryption. Error: "The server selected protocol version TLS10 is not accepted by client preferences [TLS12]". ClientConnectionId
2023-04-13 11:01:39.727 [main] INFO com.alibaba.druid.pool.DruidDataSource:1003 - {dataSource-3,slave_2} inited 2023-04-13 11:01:39.846 [Druid-Connect ......
git 更新代码错误 Your local changes to the following files would be overwritten by merge处理
当git pull时提示 Your local changes to the following files would be overwritten by merge idea中撤销当前本地 本次提交 ......
【BUG】ExtJS 的Tab Reorder 插件持续更新布局问题解决办法 (Solution to layout issues in the continually updated Tab Reorder plugin of ExtJS)
更新记录 2023年4月13日 初始化。 ExtJS教程汇总:https://www.cnblogs.com/cqpanda/p/16328016.html 问题 不停的拖动tab栏,会不断更新布局。 Dragging the tab bar continuously will update the ......
vite写jsx语法报错: [vite] Internal server error: Failed to parse source for import analysis because the content contains invalid JS syntax. If you use tsconfig.json, make sure to not set jsx to preserve.
1.安装vite的jsx包 npm i @vitejs/plugin-vue-jsx --save 2.安装所有依赖 npm i 3.在vite.config.ts中配置 import { defineConfig } from 'vite'; import vue from '@vitejs/pl ......
.net core中Grpc使用报错:The remote certificate is invalid according to the validation procedure.
因为Grpc采用HTTP/2作为通信协议,默认采用LTS/SSL加密方式传输,比如使用.net core启动一个服务端(被调用方)时: public static IHostBuilder CreateHostBuilder(string[] args) => Host.CreateDefaultB ......
There is a chart instance already initialized on the dom原因及解决办法
原因:这是因为在我们重复使用了初始化了echars实例,每个组件使用时,如果调用两次及以上的初始化方法时,就会出现这个警告,并且如果是实时监控的标表,会出现浏览器卡顿及响应慢,因为要一直重新渲染新的Dom。 解决办法,初始化代码只出现一次,js中只要执行一次实例化代码,VUE中调用生命周期mount ......
GnuTLS recv error (-110): The TLS connection was non-properly terminated问题的解决方案
1. sudo apt-get update 2. sudo apt-get install build-essential fakeroot dpkg-dev 3. sudo apt-get build-dep git 4. mkdir ~/git-openssl 5. cd ~/git-open ......
cnetos8上RPM安装mysql8后,修改初始密码提示Your password does not satisfy the current policy requirements的解决方法
我在修改mysql8初始密码是遇到了Your password does not satisfy the current policy requirements,如果您的mysql版本5.x可能不太合适。 下图是我遇到的问题: 意思是,密码不符合密码验证要求。但是mysql8的初始密码连验证要求都查 ......
Frontiers of computer Science Journal 模版踩坑经历
官方模版提供网址如下: https://journal.hep.com.cn/fcs/EN/column/column11258.shtml 编译的时候出现了 文字超出页面的 问题。这个问题在网上也有讨论。 https://tex.stackexchange.com/questions/609199 ......
MSBUILD : error MSB3428: Could not load the Visual C++ component "VCBuild.exe".
完整报错信息: MSBUILD : error MSB3428: Could not load the Visual C++ component "VCBuild.exe". To fix this, 1) install the .NET Framework 2.0 SDK, 2) install ......
Can not construct instance of com.hm.drgs.platform.common.dto.data.group.DrgsRecordGroupResultDto, problem: Should never call 'set' on setterless property
报错全部信息: JSON parse error: Can not construct instance of com.hm.drgs.platform.common.dto.data.group.DrgsRecordGroupResultDto, problem: Should never cal ......
Cannot access defaults field of Properties
webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode)如果遇到IDEA 在运行maven打war的时候,提示报错: Cannot access defaults field ......
Geoserver启动时提示:The GEOSERVER_HOME variable is not defined
场景 GeoServer简介、下载、配置启动、发布shapefile全流程(图文实践): https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/109636080 在下载解压之后点击启动bat时提示: The GEOSERVER_HOME ......