overview course shell the

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 \(998244353\) ......
Greatest AtCoder World 2022 Tour

【Shell基础】Bash基础与Linux三剑客

shell是什么?可以做哪些? Shell是⼀种解释性的语⾔,适⽤于基本的逻辑处理和不追求速度的应⽤。 用于: 人机交互 批处理 Unix、Linux、Mac、Android、IOS 脚本自动化 工作场景 服务端测试 移动测试 持续集成与自动化部署 shell种类 bash sh zsh windo ......
基础 三剑客 Shell Linux Bash

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 ......
Introducing management incident the

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 ......
范文 challenge the 勇气 初中

第六天:shell脚本编程基础格式规范及变量

一、脚本基本格式 1、首行为一些命令或声明 #!/bin/bash #!/usr/bin/python #!/usr/bin/perl #!/usr/bin/ruby #!/usr/bin/lua 2、脚本注释规范 第一行一般为调用 程序名 版本号 更改后的时间 作者相关信息 该程序的作用 简要说明 ......
脚本编程 变量 脚本 格式 基础

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 ......
磁盘 MISCONF writing 数据 Errors

Linux Shell接收键盘输入

1.read命令格式 read [选项] [变量名] 选项: -p “提示信息”:在等待read输入时,输出提示信息 -t “秒数”: read命令会一致等待用户输入,使用此选项可以指定等待时间 -n “字符数”: read命令只接受指定的字符数,就会执行 -s: 隐藏输入的数据,适用于机密信息的输 ......
键盘 Linux Shell

[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?- ......
struct kernel task_struct amp pid

一段shell代码可用于git部署代码到服务器的操作

整个执行的思路: 1 先放弃服务器本地的修改,把代码从git管理服务器检出,最新的代码。 2 复制配置测试或生产环境配置文件到工程里面。 3 文件夹的权限重新覆盖。 比如把下面这段bash 脚本命名为test_shop.sh,赋予它可执行的权限。chmod a+x test_shop.sh #!/b ......
代码 服务器 shell git

常用shell脚本

1.解压缩包 unzip -oq file-name.war -d /home/appdir 2.修改jar包里面的文件(替换文件需要与jar包里面的路径一致) /java_home/bin/jar -uf file-name.jar test/test.csv 3.压缩文件 tar -zcf fi ......
脚本 常用 shell

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 ......
Operation WRONGTYPE against holding Redis

The Acdamic Guideline

How to write your papers? Introduction Problem Methods Results Simulation How to start your research? Observation Problem Reserach Hypothesis Experime ......
Guideline Acdamic The

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 ......

shell变量

shell $0 : Shell本身的文件名 $! : Shell最后运行的后台进程PID $$ : 当前脚本运行的进程PID $? : 执行上一个指令的返回值 (显示最后命令的退出状态。0表示没有错误,其他任何值表明有错误) $* : 所有参数列表。如"$*“用双引号引起来的情况、以”$1 $2 ......
变量 shell

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 ......
Unlocking Education Benefits Success Online

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 ......
Technology Evolution Mobility Glimpse Future

8-shell命令汇总

帮助命令 man:详细的帮助信息 man ls # 查看ls命令的帮助信息 参数 -f 加上-f可以查看内置命令,比如cd [root@192 ~]# man -f cd # 查看内置命令cd的帮助信息 cd (1) - GNU Bourne-Again SHell (GNU 命令解释程序 “Bou ......
命令 shell

the ObjectARX system dynamic linker object

ObjectARX Reference Guide > Macros > AcRx Macros > acrxDynamicLinker Macro acrxDynamicLinkerC++ define acrxDynamicLinker \ AcRxDynamicLinker::cast(acr ......
ObjectARX dynamic system linker object

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 ......

[shell] echo vs print

在bash里 $ str=“ 1 2 3” # 注意数字1之前的空格 $ echo $str 1 2 3 $ echo "$str" 1 2 3 $ print "%s\n" $str 1 2 3 $ print "%s\n" "$str " 1 2 3 ......
shell print echo vs

All Android Key Events for usage with adb shell

{ "key_events": { "key_unknown": "adb shell input keyevent 0", "key_soft_left": "adb shell input keyevent 1", "key_soft_right": "adb shell input keyev ......
Android Events usage shell with

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 \(\mathcal O(n \log n)\)。 ......
Hopping Around 1523H Array 1523

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 ......
题解 Leader 1886E Wanna 1886
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