environmental protect how can
8_How to install LEMP stack on Ubuntu VPS_
地址:https://www.codewithharry.com/blogpost/lemp-stack-on-ubuntu-20/ How to install LEMP stack (Linux, Nginx, MySQL, PHP) on Ubuntu 20.04 In this tutori ......
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 ......
5_How to install phpMyAdmin on Ubuntu_
地址:https://www.codewithharry.com/blogpost/install-phpmyadmin-ubuntu/ Installing phpMyAdmin and adding password authentication to MySQL on Ubuntu In th ......
4_How to Host Multiple Websites on One Server
地址:https://www.codewithharry.com/blogpost/host-multiple-websites-ubuntu-vps/ How to Host Multiple Websites on Ubuntu VPS? An apache2 web server provid ......
TJA1050国产替代DP1050T高速 CAN 总线收发器
DP1050T是一款应用于 CAN 协议控制器和物理总线之间的接口芯片,可应用于卡车、公交、 小汽车、工业控制等领域,速率可达到 1Mbps,具有在总线与 CAN 协议控制器之间进行差分信 号传输的能力。 DP1050可以 PIN to PIN TJA1050 特点: 1.完全兼容“ISO 1189 ......
1502. Can Make Arithmetic Progression From Sequence
/** * 1502. Can Make Arithmetic Progression From Sequence * https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence/description/ * ......
How do you display code snippets in MS Word preserving format and syntax highlighting?
How do you display code snippets in MS Word preserving format and syntax highlighting? 回答1 Here is the best way, for me, to add code inside word: Go t ......
Django修改数据库时出错 django.db.utils.OperationalError: (1091, "Can't DROP 'content'; check that column/key exists")
记录下简单的处理方法: 报错信息: django.db.utils.OperationalError: (1091, "Can't DROP 'content'; check that column/key exists") 可能数据库中的字段结构已经完成了此字段的修改但是在 python mana ......
How to Update Kali Linux 2023.1 to Kali Linux 2023.2 | Kali Linux 2023.2
修改源: sudo vim /etc/apt/sources.list 修改为: deb https://mirrors.ustc.edu.cn/kali kali-rolling main non-free contribdeb-src https://mirrors.ustc.edu.cn/ka ......
CAN通信协议
一、概览 1.CAN总线协议是一种ISO国际化的串行通信协议,有ISO-11898和ISO-11519两个系列 2.高速CAN和低速CAN的速率分别为:125kbps~1Mbps 、 10~125kbps 3.串行通信:Rx:用于接收数据 Tx:用于发送数据 4.双绞线提高了CAN通信的抗干扰能力 ......
Python写入文件报错‘gbk’ codec can’t encode character的解决办法
背景 使用Python写文件的时候,或者将网络数据流写入到本地文件的时候,大部分情况下会遇到:UnicodeEncodeError: 'gbk' codec can't encode character '\xa0' in position ... 这个问题。 网络上有很多类似的文件讲述如何解决这个 ......
How to fix the for...in loop errors in Python All In One
How to fix the for...in loop errors in Python All In One
Python 3
TypeError: string indices must be integers
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How to check function arguments type in Python All In One
How to check function arguments type in Python All In One
Python & argument type check
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How to Find Django ImageField URL
This setup is working for me, maybe it will help you. It is for latest version of Django. Many answers in OS are for older Django versions. URLS: from ......
DP1040 DP国产代替TJA1040 CAN总线收发器接口芯片 SOP8
1 简述DP1040C是一款应用于 CAN 协议控制器和物理总线之间的接口芯片,可应用于卡车、公交、小汽车、工业控制等领域,速率可达到 1Mbps,具有在总线与 CAN 协议控制器之间进行差分信号传输的能力,完全兼容“ISO 11898”标准。2 短路保护DP1040C的驱动级具有限流保护功能,以防 ......
CAN 总线 MCP2551T-I/SN 收发器代替型号 DP2551-I/ST完全pin对pin兼容
目前世界上使用最广泛的 CAN 收发器当属 NXP(原飞利浦半导体)的各种收发器了。MCP2551 是一个可容错的高速 CAN 器件,可作为 CAN 协议控制器和物理总线接口。MCP2551 可为 CAN 协议控制器提供差分收发能力,它完全符合 ISO-11898 标准,包括能满足 24V 电压要求 ......
CAN 总线 TJA1050/DP1050 引脚定义以及中文资料
1 简述DP1050 是一款应用于 CAN 协议控制器和物理总线之间的接口芯片,可应用于卡车、公交、小汽车、工业控制等领域,速率可达到 1Mbps,具有在总线与 CAN 协议控制器之间进行差分信号传输的能力,完全兼容 “ISO 11898” 标准。DP1050 芯片特点- 完全兼容 “ISO 118 ......
How to use variable in Python String All In One
How to use the variable in Python String All In One
如何在 Python 字符串中使用变量
Python 字符串插值 All In One
Python 字符串中使用变量的 5 种方式 ......
How to use Vim copy line and paste line All In One
How to use Vim copy line and paste line All In One
如何使用 Vim 复制行和粘贴行
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Notes-task how wirte
多个分区排列任务不行,多了没人看,要集中一个 原来的task分组,内容分组,到后面你自己都不看 现在都搞到1个文件去,内部分组、分内容 多个分区排列任务不行,多了没人看,要集中一个 ......
D. The BOSS Can Count Pairs
D. The BOSS Can Count Pairs You are given two arrays $a$ and $b$, both of length $n$. Your task is to count the number of pairs of integers $(i,j)$ su ......
How to fix Linux locale error All In One
How to fix Linux locale error All In One
如何修复 Linux 语言环境错误
fix: vim 中文乱码 bug
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Can't operate. Failed to connect to bus: Host is down
» sudo systemctl daemon-reload System has not been booted with systemd as init system (PID 1). Can't operate. Failed to connect to bus: Host is down 尝 ......
[CF9D]How many trees?
# 2023-06-01 ## 题目 [题目传送门](https://www.luogu.com.cn/problem/CF9D) ### 难度&重要性(1~10):5 ### 题目来源 Codeforces,luogu ## 题目算法 dp ## 解题思路 深度最大为 $n\left(1\le n ......
pip安装解决报错:WARNING: Running pip as the ‘root‘ user can result in broken permissions and conflicting
一、问题描述今天使用pip安装库的时候和一些模块的时候,出现了一下报错信息: 大概意思就是:提示以“root”用户身份运行 pip 可能会导致权限损坏和冲突,因此我们需要创造一个虚拟的环境区执行它 二、解决方法1、创建一个虚拟环境 (superset) [root@bigdata111 ~]# py ......
How to fix the problem that Raspberry Pi cannot use the root user for SSH login All In One
How to fix the problem that Raspberry Pi cannot use the root user for SSH login All In One
如何修复树莓派无法使用 root 用户进行 SSH 登录的问题
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How to modify the username and password of Raspberry Pi All In One
How to modify the username and password of Raspberry Pi All In One
如何修改树莓派的用户名和密码
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报错问题谷粒商城 Oss endpoint can‘t be empty
报错信息:Caused by: java.lang.IllegalArgumentException: Oss endpoint can’t be empty. 网上查了一下说有两种可能 第一种是springboot和springcloud版本不对应 第二种错误说的是oss.yml格式错误 建议优先 ......
How to use the shell command to get the version of Linux Distributions All In One
How to use the shell command to get the version of Linux Distributions All In One
如何使用 shell 命令获取 Linux 发行版的版本
hostnamectl
cat /etc/os-release
lsb_rel... ......