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pandas.errors.ParserError: Error tokenizing data. C error: Expected 9 fields in line 3, saw 21
用pandas读取csv格式文件时，里面有的行比前面的行 多出好多列，会报下面的错 df = pd.read_csv(file_name_csv,encoding="GBK") File "pandas\_libs\parsers.pyx", line 905, in pandas._libs.pa ......
#268: declaration may not appear after executable statement in block
编译报错 学习使用Keil的时候，build报错 User\main.c(6): error: #268: declaration may not appear after executable statement in blockGPIO_InitTypeDef GPIO_InitStructur ......
[ABC166E] This Message Will Self-Destruct in 5s
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Retrieval of the RSA public key is not enabled for insecure connections.
入职新公司，办理入职、培训、看业务……终于到了跑代码阶段了。遇到一个问题.net Framework链接数据提示RSA 失败或者SSPI失败。 原因不赘述，解决方案两步， 第一使用Navicate链接数据库，选中特定用户，一般上你用哪一个账户选哪一个账户 然后双击用户，改为这个就可以 第二部修改.N ......
CodeForces 1840G In Search of Truth
[洛谷传送门](https://www.luogu.com.cn/problem/CF1840G2 "洛谷传送门") [CF 传送门](https://codeforces.com/problemset/problem/1840/G2 "CF 传送门") 每次询问获得的信息只有当前所在位置的数字。考 ......
mybatis出现Type interface com.louis.dao.xxxMapper is not known to the MapperRegistry.
原因是资源文件没有读取到，在生成的target中没有对应的文件，解决办法： 1、在pom.xml文件中project中添加如下内容： <build> <resources> <resource> <directory>src/main/resources</directory> <includes> ......
wazuh ALL-in-one ES账号密码位置（version：4.4）
ALL-in-one ES账号密码位置 ALL-in-one安装的账号密码其实默认就是webUI访问的账号密码。 也可以用证书私钥的方式访问ES，参考wazuh-install.sh安装脚本 截取的相关代码，如下第1行、18行红色标记： indexer_cert_path="/etc/wazuh-i ......
报错：[Vue warn]: Error in render: "TypeError: Cannot read properties of undefined (reading 'state')"
1.错误详情 2. 错误分析 百度此错误发现，很多人可能忘记在main.js中引入store.js并挂载在vue实例上，或者state单词写错了 我审查了很多遍代码，依然报错，读取不到state中的数据，后来想到可能是版本的问题此项目是vue2，要使用vuex3才能正常运行，我安装的时候没有指定版本 ......
关于项目报错“Error running 'All in IIDCNo junit.jar”
# 在我跑一个项目的时候遇到了如图所示问题  ![](https://img2023.cnblogs.com/bl ......
关于The JSON value could not be converted to System.DateTime的解决方案
如下json格式提交到后台后报： The JSON value could not be converted to System.DateTime. Path: $.beginTime | LineNumber: 3 | BytePositionInLine: 33. { "beginTime": ......
windows 10 wsl 环境 docker 无法正常启动 -The system cannot find the file specified
错误信息: error during connect: in the default daemon configuration on Windows, the docker client must be run with elevated privileges to connect: Get "ht ......
zabbix--邮件告警报错“Support for SMTP authentication was not compiled in”
邮件报警失败：Support for SMTP authentication was not compiled in 解决办法：升级 curl 版本 具体操作步骤： 1）安装 curl # rpm -Uvh http://www.city-fan.org/ftp/contrib/yum-repo/r ......
Kettle连接MySQL报错：Driver class 'org.gjt.mm.mysql.Driver' could not be found, make sure the 'MySQL' driver (jar file) is installed
在Windows系统里面安装kettle后打算连接MySQL的时候突然报错 错误连接数据库 [wanghui] : org.pentaho.di.core.exception.KettleDatabaseException: Error occurred while trying to connec ......
get_object_or_404 method in Django Models
Some functions are hard as well as boring to code each and every time. But Django users don’t have to worry about that because Django has some awesome ......
Re: finding all cycles in a graph
ref: https://cs.stackexchange.com/questions/7216/find-the-simple-cycles-in-a-directed-graph Re: finding all cycles in a graph From: Juan Pablo Carbaja ......
[LeetCode] 1351. Count Negative Numbers in a Sorted Matrix
Given a m x n matrix grid which is sorted in non-increasing order both row-wise and column-wise, return the number of negative numbers in grid. Exampl ......
English Learning Articles 2023-06-08 Multiple insomnia symptoms raise stroke risk in people under 50, study says
Multiple insomnia symptoms raise stroke risk in people under 50, study says If you have trouble falling asleep or staying asleep, wake up too early mo ......
在intelj idea中Debug启动tomcat时Address already in use:JVM_Bind
在debug重启web应用时，偶尔会报如下错误：Address already in use:JVM_Bind，一看端口占用 打开任务管理器，发现并没有java相关的进程。所以无法通过杀死进程来解除接口占用，可以通过如下方式解决 1.编辑服务器配置，Edit Configuration 2.点击St ......
The user specified as a definer (‘skip-grants user‘@‘skip-grants host‘) does not exist
该问题是由于导出数据库或备份数据库引起的函数所有者发生变化 解决办法 复制源函数创建语句 删除DEFINER 重新创建 ......
golang导入私有仓库报错:“server response: not found:xxx: invalid version: git ls-remote -q origin in xxx“
1.问题：go get导入私有仓库报错 ➜ go get "devops.gitlab.xxx.com/test/kafka-utils" go: devops.gitlab.xxx.com/test/kafka-utils@v0.0.1: verifying go.mod: devops.gitl ......
ubuntu 20 permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock:
permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun%2Fdocker.sock/v1.24/con ......
Three.js系列-报错export ‘Geometry‘ (imported as ‘THREE‘) was not found in ‘three‘
## 今天遇到报错export 'Geometry' (imported as 'THREE') was not found in 'three' ``` port 'Geometry' (imported as 'THREE') was not found in 'three' (possible ......
数据结构 in Golang：Hash Tables（哈希表）
# 数据结构 in Golang：Hash Tables（哈希表） ### 场景 - 水果店的价格表： - 苹果 Apple：3元 - 香蕉 Banana：4元 - 桃子 Peach：2元 - 梨 Pear：3元 - 找到一种水果的价格： - 可以使用 binary search，通过名称来查找，耗 ......
13_How to Deploy NodeJs app on Ubuntu in Production
地址：https://www.codewithharry.com/blogpost/deploy-nodejs-app-on-ubuntu/ How to deploy a Node.js application in production In this post, we will see how ......
9_How to install phpMyAdmin on Nginx (in 5 minutes)
地址：https://www.codewithharry.com/blogpost/install-phpmyadmin-ubuntu-nginx/ How to install PhpMyAdmin on Ubuntu running Nginx (LEMP stack) In this post ......
10_How deploy a Django application using Nginx & Gunicorn in Production
地址：https://www.codewithharry.com/blogpost/django-deploy-nginx-gunicorn/ How to host Django Application using gunicorn & nginx in Production In this po ......
The first attempt of a MnZn
Prove: If $a > 0$，then $\forall x\in \mathbb R, a(\mathrm e^x+a)-x> 2\ln a+\dfrac32$ Proof: Let $f(x) = a(\mathrm e^x+a)-x$, then $f'(x) = a\mathrm e^ ......
Backtrader - Sell/Buy signal labels are missing in the plotting
1.0 Missing Sell/Buy signal labels 2.0 Solution cerebro = bt.Cerebro(stdstats=True, cheat_on_open=True) stdstats=True，用回預設的stdstats就能顯示Sell/Buy signal ......
flutter 的 in_app_web_view实现下载功能
flutter与前端交互，利用in_app_web_view实现下载功能： 首先下载库，终端输入 flutter pub add flutter_inappwebview 之后导出 import 'package:flutter_inappwebview/flutter_inappwebview.d ......
sudo: unable to resolve host localhost: Temporary failure in name resolution
Ubuntu环境, 假设这台机器名字叫abc(机器的hostname), 每次执行sudo 就出现这个警告讯息: sudo: unable to resolve host abc虽然sudo 还是可以正常执行, 但是警告讯息每次都出来,而这只是机器在反解上的问题, 所以就直接从/etc/hosts ......