certificate chain trust of

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 ......
main function declaration factorial implicit

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 ......

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 ......
Shuangpin Master 7125 HDU of

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 ......
Calculate archive files size each

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 ......
taro properties undefined reading tabBar

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 ......
思维 Thought Chain of

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 ......
undefined property 项目 Cannot styles

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 ......
215 properties TypeError undefined setting

【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 ......
Reorder ExtJS continually Tab 布局

.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 ......

Rust中的迭代器的使用:map转换、filter过滤、fold聚合、chain链接

什么是迭代器 Rust中的迭代器是一种强大的工具,它提供了一种灵活、通用的方法来遍历序列。迭代器是实现了Iterator trait的类型,并需要至少实现一个next函数,用于让迭代器指向下一个迭代对象,并返回一个Option用于指示对象是否存在。 fn next (&mut self) -> Op ......
链接 filter chain Rust fold

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 ......
模版 Frontiers computer Science Journal

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 ......
Properties defaults Cannot access field

【论文阅读笔记】Distiling Causal Effect of Data in Class-Incremental Learning

Author: Hanwang Zhang, Xinting Hu Create_time: April 24, 2022 11:01 AM Edited_by: Huang Yujun Publisher: CVPR 2021 Org: Nanyang Technological Universi ......

C++-Error:invalid new-expression of abstract class type

#C++-Error:invalid new-expression of abstract class type C++工程,使用new操作符,new一个抽象类对象时编译报错如下: Error:invalid new-expression of abstract class type XXX 原因 ......

Element Plus错误警告 | Popper: Detected CSS transitions on at least one of the following CSS properties: "transform", "top", "right", "bottom", "left".

这个错误的解决方案如下: 1. 禁用 "computeStyles" 修饰符的 adaptive 选项:这将允许平滑过渡,但可能会降低性能。 禁用 "computeStyles" 修饰符的 adaptive 选项,可以在创建 Popper 实例时指定 modifiers 参数,并将 computeS ......
quot transitions properties CSS following

find index of elements within a range

a = np.array([1, 3, 5, 6, 9, 10, 14, 15, 56]) np.where(np.logical_and(a>=6, a<=10)) --> (array([3, 4, 5]),) (a >= 6) & (a <=10) --> array([False, Fals ......
elements within index range find

报错信息:Failed to Setup IP tables: Unable to enable SKIP DNAT rule: (iptables failed: iptables --wait -t nat -I DOCKER -i br-4d2b20122b54 -j RETURN: iptables: No chain/target/match by that name.

一、报错提示 二、原因 对关闭防火墙执行开启/关闭操作之后,没有重启docker服务 三、解决办法 方式一:重启docker服务 systemctl restart docker 方式二:若不想重启docker服务,则修改网络模式 将docker的网络模式 network_mode 由映射改为hos ......
iptables Failed DOCKER RETURN tables

SEE 06 Time Value of Money

Time Value of Money 6.1 Time is money “Interest” “Interest rate” 6.2 Real and Nominal Interest Rates nominal interest rate: the interest rate usually ......
Money Value Time SEE 06

Sum of Consecutive Prime Numbers UVA - 121

#include <iostream> #include <cstring> #include <cmath> #include <algorithm> using namespace std ; const int M =1e4+33; int b[M],c[M],tot; int s[M] ; ......
Consecutive Numbers Prime Sum 121

异常检测 | 迁移学习《Anomaly Detection in IR Images of PV Modules using Supervised Contrastive Learning》

论文信息 论文标题:Anomaly Detection in IR Images of PV Modules using Supervised Contrastive Learning论文作者:Abhay Rawat, Isha Dua, Saurav Gupta, Rahul Tallamraju ......

Sum of Different Primes UVA - 1213

选择K个质数,使它们的和等于N。问有多少种方案? 例如,n=24, k=2时有3种方案:5+19=7+17=11+13=24 #include <iostream> #include <cstring> #include <cmath> #include <algorithm> using name ......
Different Primes 1213 Sum UVA

RuntimeError: one of the variables needed for gradient computation has been modified by an inplace operation

RuntimeError: one of the variables needed for gradient computation has been modified by an inplace operation: ......

vue项目打包不起:FATAL ERROR: Zone Allocation failed - process out of memory

背景:vue3 + ts 的项目,admin plus框架 ,打包不起node 版本 v16.13.1 网上搜索了,解决方法 1.设置环境变量NODE_OPTIONS--max-old-space-size=4000 !!!!设置这个会导致阿里云oss浏览器无法打开 2. 在package.json ......
Allocation process 项目 failed memory

面试官:你可以用 for of 遍历 Object 吗?

本文以 用 for of遍历 Object 为引 来聊聊 迭代器模式。 什么是迭代器模式 迭代器模式提供一种方法顺序访问一个聚合对象中的各个元素,而又不暴露该对象的内部表示。 ——《设计模式:可复用面向对象软件的基础》 可以说迭代器模式就是为了遍历存在的。提到遍历,大家都对那些手段耳熟能详了,下面我 ......
Object for of

Inventory of the five significant mechanisms of nephrotoxic drug effects

The kidney is the main organ for the metabolism and excretion of various drugs, from minor to common anti-cold drugs, antibiotics, antivirals, and sig... ......