morning four the in
Lua script attempted to access a non local key in a cluster node 问题解决
一、问题描述 最近优化公司需要对不同的业务系统的缓存工具提供一个标准化的解决方案。各个业务系统将缓存数据通过map结构进行存储，然后在缓存系统中将这些map获取出来，然后保存在redis数据库中。技术经理想到的最好解决方案是将map集合直接存储在redis的hash表中。但是要求对hash表中的每个 ......
报错：This generated password is for development use only. Your security configuration must be updated before running your application in production.
项目报错：This generated password is for development use only. Your security configuration must be updated before running your application in production. 导 ......
The Report Viewer Web Control HTTP Handler has not been registered in the application's web.config file. Add
system.webServer 内加 <handlers> <add name="ReportViewerWebControlHandler" preCondition="integratedMode" verb="*" path="Reserved.ReportViewerWebControl. ......
服务器执行hbase shell报错： ipc.AbstractRpcClient: SASL authentication failed. The most likely cause is missing or invalid credentials. Consider 'kinit'.
2023-08-01 21:02:09,923 FATAL [main] ipc.AbstractRpcClient: SASL authentication failed. The most likely cause is missing or invalid credentials. Consi ......
解决 Vue 重复点击相同路由，出现 Uncaught (in promise) NavigationDuplicated: Avoided redundant navigation 问题
# 解决 Vue 重复点击相同路由，出现 Uncaught (in promise) NavigationDuplicated: Avoided redundant navigation 问题 ### 问题 ``` 问题描述：重复点击导航时，控制台出现报错 ，虽然不影响功能使用，但也不能视而不见。 ......
Python List Comprehensions All In One
Python List Comprehensions All In One
列表推导式
python dynamic create list
python create list with for loop one line
enumerate, range, lambda, for...loop
......
[转载] 解决Pycharm中右键运行python程序时出现Run ‘pytest‘ in XXX.py
1、在Pycharm中右键运行python程序时出现Run 'pytest' in XXX.py，这是进入了Pytest模式。2、解决办法进入到File - Seetings - Tools - Python integrated Tools页面，找到Testing下的Default test ru ......
The 10th Shandong Provincial Collegiate Programming Contest
The 10th Shandong Provincial Collegiate Programming Contest K - Happy Equation 思路：a，x的奇偶性相同（因为都对偶数取模），且打表得出a为奇数时，答案为1。（¿） a为偶数时，令 a=t1*2q → ax=t1x*2qx ......
Practice on Codeforces and Atcoder in July
## [$1844E$](https://codeforces.com/problemset/problem/1844/E) 题意： 定义一个矩形 $a$ 是好的，当且仅当其满足以下条件： 1. 矩形中每一个元素 $x$ 都为 $A,B,C$ 其中之一 2. 每一个 $2\times 2$ 的子矩形 ......
Practice on Codeforces and Atcoder in June
# $Practice$ $on$ $codeforces$ $in$ $June$ wk，误删了4个题，但我不想补了 ## [$CF1839D$](https://codeforces.com/contest/1839/problem/D) 题意：给一个正整数序列 $a$，给定 $k$ 个 0，将 ......
Practice on Codeforces and Atcoder in May
# CF补题题解2023.5 说明：CF题直接去luogu看翻译，AT题会附上简要题意 ## [CF1821E](https://codeforces.com/contest/1821/problem/E) 先考虑如何高速计算权值 一个显而易见的贪心是尽量在右边取括号消除，设右括号为 1，左括号为 ......
Removing the remembered login and password list in SQL Server Management Studio
Removing the remembered login and password list in SQL Server Management Studio This works for SQL Server Management Studio v18.0 The file "SqlStudio. ......
关于调用Web API时出现的错误“The underlying connection was closed: An unexpected error occurred on a send”
客户需求，要求调用他们的API来添加，查找，删除数据。 前些时候写了一个测试程序，调用API是OK的，但是今天突然就出现了"The underlying connection was closed: An unexpected error occurred on a send."的错误。当时的第一反 ......
Could not find server 'server name' in sys.servers. SQL Server 2014
Could not find server 'server name' in sys.servers. SQL Server 2014 At first check out that your linked server is in the list by this query select nam ......
发电站乐队歌词全中译 / The Comprehensive Chinese Translation of Kraftwerk Lyrics
# 发电站乐队歌词全中译 / The Comprehensive Chinese Translation of Kraftwerk Lyrics 发电站所有英文版录音室专辑的歌词中文翻译。《The Mix》和《Minimum-Maximum》为重混（remix）或演唱会专辑，故《Expo 2000》 ......
SQL优化系列之 in与range 查询
《高性能MySQL》 里面提及用in这种方式可以有效的替代一定的range查询，提升查询效率，因为在一条索引里面，range字段后面的部分是不生效的（ps.需要考虑 ICP）。MySQL优化器将in这种方式转化成 n*m 种组合进行查询，最终将返回值合并，有点类似union但是更高效。 MySQL在 ......
jumpserver 基于docker ins
jumpeserver的安装部署 1. 随机生成加密密钥 if [ "$SECRET_KEY" = "" ]; then SECRET_KEY=`cat /dev/urandom | tr -dc A-Za-z0-9 | head -c 50`; echo "SECRET_KEY=$SECRET_K ......
在Windows中运行Filebeat(Running Filebeat in windows)
我最近使用这些说明在Windows上设置了filebeat https://www.elastic.co/downloads/beats/filebeat 但它迫使我保持cmd提示打开运行命令 filebeat.exe -c filebeat.yml 我想知道是否有办法将其作为后台进程运行？ 谢 ......
2023牛客暑期多校5 I The Yakumo Family
# 题意 Ran feels boring at home and wants to propose a math problem with Yukari and Chen! So, here's The Yakumo Family Problem: Given an integer array a ......
Python 3 List Type errors All In One
Python 3 List Type errors All In One
NameError: name 'List' is not defined
......
JDK 版本异常导致 flutter doctor --android-licenses 出错 (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
flutter doctor --android-licenses Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.U ......
docker in docker error
docker: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory 这个问题镜像缺少libltdl7库 ubuntu： apt-ge ......
Name Mangling and extern “C” in C++
Since C++ supports function overloading, additional information has to be added to function names (called Name mangling) to avoid conflicts in binary ......
Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed;
报错Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConf... ......
The difference between Chrome and Firefox
The difference about digital certificates. # Firefox See the alarm info. 之Field/Order/Continuity + Dedkind分割
Number Theory: The set of Real实数系构造 实数公理化(R, +, ×, ≥)之Field/Order/Continuity F(域)：定义 +, ×, ≥： +: 加法的 交换律、结合律、0单位元、负元 ×: 乘法的 交换律、结合律、1单位元、逆元、乘法×对加法+的分配 ......
Linux fdisk command All In One
Linux fdisk command All In One
disk partition / 磁盘分区
......