git  add .
git  commit -m '提交的备注信息'
git  push -u origin dev

git  checkout master

git pull origin master
//如果是自己一个开发就没有必要了，为了保险期间还是pull

git  merge dev

git status

On branch master
Your branch is ahead of 'origin/master' by 12 commits.
  (use "git push" to publish your local commits)
nothing to commit, working tree clean

//上面的意思就是你有12个commit，需要push到远程master上 
> 最后执行下面提交命令
git push origin master

更新远程分支列表
git remote update origin --prune

查看所有分支
git branch -a

删除远程分支Chapater6
git push origin --delete Chapater6

删除本地分支 Chapater6
git branch -d  Chapater6

sudo npm install -g n

sudo n 13.14.0

n list

sudo n 10.23.0

sudo n rm 13.14.0

sudo n latest

sudo n stable

import requests
url = "https://www.cnblogs.com/dearvee/p/6558571.html"
response = requests.get(url)
response.encoding = 'utf-8'
print(response.text)

import requests
url = "https://www.cnblogs.com/dearvee/p/6558571.html"
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36"}
response = requests.get(url, headers=headers)
response.encoding = 'utf-8'
print(response.text)

from urllib import request
url = "https://www.cnblogs.com/dearvee/p/6558571.html"
response = request.urlopen(url)
print(response.read().decode('utf-8'))

from urllib import request
url = "https://www.cnblogs.com/dearvee/p/6558571.html"
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36"}
req = request.Request(url, headers=headers)
response = request.urlopen(req)
print(response.read().decode('utf-8'))

from urllib import request, error
url = "https://www.douban.com"
try:
　　req = request.Request(url)
　　response = request.urlopen(req)
　　print(response.read().decode('utf-8'))
except error.HTTPError as e:
　　print(e)

from fake_useragent import UserAgent
ua = UserAgent()
print(ua.ie) #随机打印ie浏览器任意版本
print(ua.firefox) #随机打印firefox浏览器任意版本
print(ua.chrome) #随机打印chrome浏览器任意版本
print(ua.random) #随机打印任意厂家的浏览器

$url = "http://www.zongscan.com/demo333/178.html";
$request = new GuzzleRequest('GET', $url);
$client = new \GuzzleHttp\Client();
$response = $client->send($request, ['timeout' => 5]);

$content = $response->getBody()->getContents();

$data = json_decode($content,true);