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AtCoder World Tour 2022 B The Greatest Two
原题面：https://atcoder.jp/contests/wtf22-day2/tasks/wtf22_day2_b 题面翻译： 一个长度为 \(n\) 的排列 \(p\)，每次可以把一个长 \(k\) 区间的最大与次大值交换，问操作任意次数后可以得到的排列数量对 \(998244353\) ......
Introducing the incident management
Forward Today, we talk about the significance of incident management. Firstly, we start it by some simple concepts. What exactly the incident is? Or w ......
A connection was successfully established with the server but then an error
在使用EFCore生成数据库的时候，报上面的错误！ 解决方法： 加（Encrypt=True;TrustServerCertificate=True;）即可： "ConnectionStrings": { "DefaultConnection": "Data Source=LAPTOP;Initia ......
An improved LSTM-based model for identifying high working intensity load segments of the tractor load spectrum
一区top Computers and Electronics in Agriculture 题目： “基于改进 lstm 的拖拉机载荷谱高工作强度载荷段识别模型” (pdf) “An improved LSTM-based model for identifying high working in ......
web项目启动时dubbo报错： No provider available for the service com.davidhu.shopguide.api.service.UserEventService from the url zookeeper ://localhost:2181/org.apache.du
Caused by: java.lang.IllegalStateException: Failed to check the status of the service com.davidhu.shopguide.api.service.UserEventService. No provider ......
初中英语优秀范文100篇-056I have the courage to accept the challenge-我有勇气接受挑战
PDF格式公众号回复关键字:SHCZFW056 记忆树 1 Every year there is a singing competition in our school. 翻译 每一年，我们学校都会举行一场歌唱比赛。 简化记忆 比赛 句子结构 主语 ("Every year")：表示时间状语的短语 ......
org.springframework.kafka.listener.ListenerExecutionFailedException: Listener method could not be invoked with the incoming message
问题描述 kafka在yml文件中未开启批量消费时，程序正常运行；但一开启正常消费后，就直接报错；排查问题的过程中一直觉得是配置文件里的问题，最后发现是消费者接受的参数类型错误 问题本质 消费者开启批量消费数据后，不能用单个实体类接收参数，而应该用list 解决方法 修改消费者函数参数类型 ......
redis报错MISCONF Errors writing to the AOF file: No space left on device，磁盘满无法写入数据报错
查询报错远程调用接口异常，F12查看网络和标投和预览到是mgr的接口此错误#根据报错提示：Error in execution; nested excepti on is io.lettuce.core.RedisCommandExecutionException: MISCONF Errors w ......
[linux kernel] struct pid && the way the kernel used to cast uint32_t pid to struct task_struct
摘抄内容引用自linux kernel document description pre the initialization and the manage of the struct pid is use IDR.(implement by hash table->(why not array?- ......
Redis - (error) WRONGTYPE Operation against a key holding the wrong kind of value
zzh@ZZHPC:~$ docker exec -it redis redis-cli 127.0.0.1:6379> SET bike:1 "Process 134" OK 127.0.0.1:6379> GET bike:1 "Process 134" 127.0.0.1:6379> HSET ......
The Acdamic Guideline
How to write your papers？ Introduction Problem Methods Results Simulation How to start your research？ Observation Problem Reserach Hypothesis Experime ......
解决前后端的跨域问题：Access to XMLHttpRequest at '**' from origin '**' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
报错信息： Access to XMLHttpRequest at 'http://localhost:8182/cooperationRequest/getList' from origin 'http://localhost:3004' has been blocked by CORS poli ......
Understanding the linux kernel Chapter2 Memory Addressing
Physical Memory Layout unavailable address for kernel either because they map hardware devices’ I/O shared memory or because the corresponding page fr ......
No 'Access-Control-Allow-Origin' header is present on the requested resource'， 跨域访问的解决方法
https://blog.csdn.net/dear_little_bear/article/details/83999391 1. 当请求不在同一域名下的资源文件（ip地址+端口号）时，会报如下错误：“No ‘Access-Control-Allow-Origin’ header is prese ......
Unlocking the Road to Success: The Benefits of Online Driver's Education
In the fast-paced world we live in, online education has become a staple for acquiring new skills and knowledge. This trend extends to driver's educat ......
The Evolution of Smart Car Technology: A Glimpse into the Future of Mobility
In the last decade, the automotive industry has witnessed a transformative shift towards smart car technology. Once a futuristic concept, smart cars a ......
vue报错：You may use special comments to disable some warnings. Use // eslint-disable-next-line to ignore the next line. Use /* eslint-disable */ to ignore all warnings in a file.
报错信息： 解决方法： ESLint 语法错误，那就取消ESLint验证规则 然后重启即可 ......
the ObjectARX system dynamic linker object
ObjectARX Reference Guide > Macros > AcRx Macros > acrxDynamicLinker Macro acrxDynamicLinkerC++ define acrxDynamicLinker \ AcRxDynamicLinker::cast(acr ......
MySQL Ignoring the redo log due to missing MLOG_CHECKPOINT between the checkpoint
错误信息： 2023-12-12T09:32:31.383149Z 0 [ERROR] InnoDB: Ignoring the redo log due to missing MLOG_CHECKPOINT between the checkpoint 5777611209 and the end ......
CF1523H Hopping Around the Array
首先考虑 \(k = 0\) 的情况。 贪心，最后一步之前每个 \(i\) 只会跳到 \(j \in [i, i + a_i]\) 且 \(j + a_j\) 最大的点 \(j\)，这个信息或许可以线性处理？但是我没脑子，我用线段树维护，时间复杂度 \(\mathcal O(n \log n)\)。 ......
CF1886E I Wanna be the Team Leader 题解
Problem - E - Codeforces I Wanna be the Team Leader - 洛谷 差一点就想到了/ll 遇到困难？排序肯定不会变差！ 性质：每个项目分配的程序员肯定是一段（显然） \(m\) 很小？考虑设 \(dp_{i,S}\) 表示考虑前 \(i\) 个人选项目集 ......
6 Fear of the Dark
题目是一定有答案的，说明所有的情况都是可行的，那么就会有两种情况 1 两个圆都包括了起点和终点 2 一个原包括了起点，另一个原包括了终点（圆一定是相交的） #include<bits/stdc++.h> using namespace std; double dx(int x1,int y1,int ......
CF1886D Monocarp and the Set 题解
Monocarp and the Set - 洛谷 Problem - D - Codeforces 非常之降智 加入一个数让他满足他是最大值需要判断前面加入的那些数中最大的是哪个，但删除一个数让他满足是最大值只需要直接把他删掉即可 因此我们要反着考虑这个问题： 如果当前是 <，则删除最小的数，有一 ......
报错 To run and debug the Harmony device, configure the HarmonyOS runtime.
这个工程是OpenHarmony工程，你的设备是HarmonyOS设备。可以按照这个方法试试： 在模块下的build-profile.json5文件中的target数组下添加"runtimeOS": "HarmonyOS"，然后重新签名，签名的时候勾选supportHarmony 如图 重新签名打包 ......
Ansible 报错 Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)
[root@k8s-master ~]# ansible-playbook /etc/ansible/copy.yml PLAY [webservers] ************************************************************************ ......
An unexpected error has occurred while opening the workflow. See the event log on the AOS and contact your system administrator to resolve the issue.
\Forms\WorkflowEditorHost\Methods\build private void build() .... System.Exception interopException; ............ else { try { workflowConfiguration = ......
鸿蒙开发 ERROR: Failed to find the incremental input file: C:\Users\admin\.ohos\config\auto_debug_MyApplication2_com.example.myapplication2_2850086000448618441.cer.
如图 我把项目拷贝到另一台机器报的错误，发现是签名的问题， 修改签名 操作如下： DevEco Studio 点击File ——》Project Structure——》Project ——》Signing Configs 选择 Automatically generate signature 自动 ......
CF1017G The Tree
题意 给定一棵树和 \(3\) 个操作。 如果点 \(x\) 是白色，将她染红，否则对她地儿子做这个操作。 将点 \(x\) 子树内所有点染白。 询问 \(x\) 的颜色。 Sol 考虑对询问分块。 不难想到将当前块内的点建一棵虚树，然后再重构。 暴力建虚树即可。 Code #include <io ......
Nginx错误：attempt to set status 403 via ngx.exit after sending out the response status 200
1. 第三方nginx 防火墙，触发，解决方法 关闭或者修改 规则 https://blog.csdn.net/qq_38883889/article/details/128192632?utm_medium=distribute.pc_relevant.none-task-blog-2~defau ......
The Biggest Water Problem
地址 #include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n; cin>>n; ll sum=0; while(n>10){ ll sum=n; ll d=0; while(sum){ ......