Operation
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 ......
操作系统os operation System
OS是计算机系统的核心和灵魂，是计算机系统必不可少的组成部分；它也是计算机教学的核心内容，是计算机相关专业的核心课程。 OS是硬件的首次扩充，又是最核心的系统软件，OS课程具有承上启下的重要作用，既能对先行课程:程序设计、计算机组成原理和数据结构等进行总结和提高;同时也为后继专业课程的学习打下良好基 ......
hdfs报错：There are 0 datanode(s) running and 0 node(s) are excluded in this operation
namenode的日志还是打印There are 0 datanode(s) running and 0 node(s) are excluded in this operation.吗 报错信息如下所示。其中，【X】是当前正在运行的DataNode数量，【Y】是被排除在此操作之外的DataNode ......
CMake Error: failed to create symbolic link 'xxx.so.0.6': operation not supported on socket
cmake编译开源库报错，网上查了一下 我的编译文件夹是windows挂载到centos虚拟机上的，所以我把文件cp 到别的目录，再次编译就成功了 ......
loguru 突然报错了：ValueError: I/O operation on closed file.
现象 代码已经正常运行好长时间，环境重装后就提示这个信息了。单个文件调用都不会报错。 解决 自己实在是找不到解决办法发，在github问了作者回答：可能是我一直不断删除和添加，loguru只需要配置一次全局都可以使用了。 https://github.com/Delgan/loguru/issues ......
CF414C Mashmokh and Reverse Operation
\(\text{Links}\) cnblogs Luogu Codeforces 题意 给定一个长为 \(2^n\) \((n\le 20)\) 的序列 \(a\)，有 \(m\) \((m\le 10^6)\) 次操作，每次操作给出 \(q\) \((q\le n)\)，表示将序列从左至右按 \ ......
dwva 的SQL注入一关解决” Illegal mix of collations for operation ‘UNION’“ 问题
我是在phpstudy上面搭建的dvwa 背景是我在一天晚上练习SQL注入出现了” Illegal mix of collations for operation ‘UNION’“ 问题 就在网上搜索解决办法，发现是因为users表和table表的编码方式不一样导致的 网上查到了table_name ......
Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxErrorException: Access denied; you need (at least one of) the RELOAD privilege(s) for this operation
1.情景展示 如上图所示： 在使用debezium读取mysql数据操作日志时（io.debezium.connector.mysql.MySqlConnector），报错： Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxEr ......
GitHub-fatal-unable-to-access-https-github-com-Failed-to-connect-to-github-com-port-443-Operation-timed-out-CarlZeng
title: >- [GitHub] fatal: unable to access 'https://github.com/': Failed to connect to github.com port 443: Operation timed out tags: [github,git] cat ......
GitHub-fatal-unable-to-access-https-github-com-Failed-to-connect-to-github-com-port-443-Operation-timed-out-CarlZeng
title: >- [GitHub] fatal: unable to access 'https://github.com/': Failed to connect to github.com port 443: Operation timed out tags: [github,git] cat ......
【转】GN Language and Operation
原文链接：https://gn.googlesource.com/gn/+/refs/heads/main/docs/language.md 这里还有一篇：谷歌gn编译文件的使用简介 GN Language and Operation Contents GN Language and Operati ......
PHP file_get_contents(): SSL operation failed with code 1. OpenSSL Error message...
在调试php脚本代码时，发现使用 file_get_contents() 函数请求HTTPS的网址链接时出现了报错，其报错代码如下面所示“file_get_contents(): SSL operation failed with code 1. OpenSSL Error message...”百 ......
Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\cache\_cacache\index-v5\00\c2'
使用下面命令创建react项目爆出的错误 npx create-react-app react-basic 显示nodejs里面的文件权限不够，需要进行文件夹的权限更改，改为完全控制就可以了。 ......
HTTP POST方式调用SOAP OPERATION类的接口
wsdl地址或者接口地址中有多个方法(operation) 如下是soapui测试的例子，wsdl地址下包含多个operation，但是现在我想用http的方式，只做getKnowledgePartsDatabase方法。 因为soap的调用是直接传的xml，所以需要做两个strans来把数据转换一 ......
Failed to stop auditd.service: Operation refused, unit auditd.service may be requested by dependency only (it is configured to refuse manual start/stop).
[root@7 ~]# systemctl stop auditd.service Failed to stop auditd.service: Operation refused, unit auditd.service may be requested by dependency only (i ......
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation 解决方式 <dependency> <grou ......
Hadoop-Operation category READ is not supported in state standby 故障解决
在查询hdfs时或者执行程序向hdfs写入数据时遇到报错：Operation category READ is not supported in state standby 意思是：该主机状态为待机,不支持操作类别READ. 你会发现最基本的hdfs命令都不能执行，例如：hadoop fs -ls ......
Step by Step setting up Operation mode for beginers
I had searched on the above key words on scn and coul not find any document when I needed. So thought of sharing the steps I followed for setting up o ......
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
错误 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them ......
Operating system error number 23 in a file operation
参考：https://ask.csdn.net/questions/687101 参考2：https://blog.csdn.net/qq_16557863/article/details/130686453 ......
xencenter中的虚拟机死机，无法强制关机，并提示:内部错误: VM not in expected power state after completing operation
uuid 查看选中虚拟机，常规中显示uuid 运行命令xe vm-reset-powerstate --force uuid=your-vm-uuid 即可强制关机 参考：https://www.incredigeek.com/home/vm-not-in-expected-power-state- ......
Redis - 出现ERROR：WRONGTYPE Operation against a key holding the wrong kind of value
原因：用的方法与redis服务器中存储数据的类型存在冲突。 比如：有一个key的数据存储的是list类型的，但使用redis执行数据操作的时候却使用了非list的操作方法。 对一个Redis键执行不兼容的操作，这个错误通常发生在以下情况： 1、类型不匹配：试图执行的操作与键存储的数据类型不匹配。例如 ......
转：pytorch并行训练时报错 one of the variables needed for gradient computation has been modified by an inplace operation
【PyTorch踩坑】一个排查了一下午的坑 - 知乎 (zhihu.com) ......
删除文件报错rm: cannot remove `auditcommand.log': Operation not permitted
删除文件报错 [root@db1 log]# rm -rf auditcommand.log rm: cannot remove `auditcommand.log': Operation not permitted lsattr查看属性 [root@db1 log]# rm -rf auditco ......
执行npm install 命令时报错Error: EPERM: operation not permitted, uv_cwd
执行npm install 命令时报错 ```bash path.js:1077 path = process.cwd(); ^ Error: EPERM: operation not permitted, uv_cwd at Object.resolve (path.js:1077:24) ``` ......
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
### 错误 ```bash apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but ......
营销（marketing）、推广（Promotion）和 运营（Operation）的概念分别是什么？
首先要明确的原则： 1.你得承认“讨论任何事情之前不弄清楚概念定义就是耍流氓” 2.你得承认“由于每个人的经验学识和理解力的不同，我们常对概念定义产生分歧” 3.通常来说，业界（营销传播行业）都有一套通俗理解，默认当我们提到“营销marketing”、“推广promotion”、“运营operati ......
抽取数据出现ODBC data source<IP>error message for operation <SQLGetData>: <[Microsoft][SQL Server Native Client 10.0]Invalid Descriptor Index>
一、问题描述 抽取数据时出现ODBC data source<IP>error message for operation <SQLGetData>: <[Microsoft][SQL Server Native Client 10.0]Invalid Descriptor Index>，发现查询源 ......
The database operation was expected to affect 1 row(s), but actually affected 0 row(s); 解决乐观并发
# [The database operation was expected to affect 1 row(s), but actually affected 0 row(s); 解决乐观并发](https://www.raokun.top/archives/thedatabaseoperatio ......