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``` git config --global http.proxy http://127.0.0.1:7890 git config --global https.proxy https://127.0.0.1:7890 ``` ### 删除代理 ``` git config --global --unset http.proxy git config --global --unset https.proxy ```

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**前提是没有Y轴线滚动条.**   ```javascript // 2侧边框宽度的和 const borderWidth = el.offsetWidth - el.clientWidth; ```

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### https://www.ipaddress.com/ 找出下面2个网址的ip: ``` github.global.ssl.fastly.net ``` ### 修改域名解析: `C:\Windows\System32\drivers\etc\hosts` ### 刷新dns缓存 `ipconfig /flushdns`

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```javascript node.firstChild !== null node.childNodes.length > 0 node.hasChildNodes() ```

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1. 打开https://github.com.ipaddress.com/ 如下图： 2.打开https://fastly.net.ipaddress.com/github.global.ssl.fastly.net#ipinfo 3.打开https://github.com.ipaddress.com/assets-cdn.github.com 4.打开电脑的hosts文件，把下列的东东写在最后，然后保存即可 140.82.113.4 github.com 199.232.69.194 github.global.ssl.fastly.net 185.199.108.153 assets-cdn.github.com 185.199.109.153 assets-cdn.github.com 185.199.110.153 assets-cdn.github.com 185.199.111.153 assets-cdn.github.com

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```javascript const NodeRSA = require("node-rsa") const key = new NodeRSA({b: 2048}); const publicDer = key.exportKey('pkcs1-public-pem'); //公钥 const privateDer = key.exportKey('pkcs1-private-pem');//私钥 console.log(publicDer,privateDer) ```

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### 为什么show_db看不到数据库 因为数据库中的表必须有数据才显示.

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### 查看宿主机ip, 使用`ifconfig`:  ### 查看容器的网络配置, 使用`docker inspect 容器id`:  ### 进入容器测试: ``` docker exec -it 容器id /bin/bash ```

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## 本机创建目录 ```shell mkdir -p /root/nginx/www /root/nginx/logs /root/nginx/conf ``` ## 映射docker中nginx目录到本机 ``` docker run -d -p 80:80 --name nginx-web -v /root/nginx/www:/usr/share/nginx/html -v /root/nginx/conf/nginx.conf:/etc/nginx/nginx.conf -v /root/nginx/logs:/var/log/nginx nginx ```

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## 安装docker ``` curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun ``` ## 启动docker ``` service docker start ``` ## 安装jenkins ``` docker run -d --name myjenkins -p 8081:8080...

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