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# -*- coding: utf-8 -*-

from urllib3 import HTTPConnectionPool

pool = HTTPConnectionPool('blog.csdn.net', maxsize=1)  # ip: 47.95.47.253


def send_http():
    for _ in range(5):
        r = pool.request('GET', '/a', redirect=False)

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[
	{
		"id": "feed/http://feeds2.feedburner.com/thenextweb",
		"title": "The Next Web",
		"website": "https://thenextweb.com",
		"categories": [
			{
				"id": "user/6fcf957b-f267-472c-8167-f61b10d926f0/category/Tech",
				"label": "Tech"
			}

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var https = require('https'),
    user = process.argv[2],
    opts = parseOpts(process.argv.slice(3))

request('/users/' + user, function (res) {
    if (!res.public_repos) {
        console.log(res.message)
        return
    }
    var pages = Math.ceil(res.public_repos / 100),

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# -*- coding: utf-8 -*-

import threading
import itertools
import time
import sys


class Signal:
    go = True

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# -*- coding: utf-8 -*-

import signal  
import sys  
import asyncio  
import aiohttp  
import json

loop = asyncio.get_event_loop()  
client = aiohttp.ClientSession(loop=loop)

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# -*- coding: utf-8 -*-

import logging
logging.basicConfig(
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    level=logging.DEBUG,
    filename="tail_log"
)

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curl -s https://www.v2ex.com/ | grep -E -C 2 ">回复</span>" | grep -oE "\d{4,}" | xargs -I {} echo V2EX当前回复数 {}

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作者：韦易笑
链接：https://www.zhihu.com/question/27249253/answer/339373732
来源：知乎
著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。

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- * 和 # （以及 g*/g#）是十分重要的查找命令

laixintao

1. Install Homebrew
2. brew install postgres
3. initdb /usr/local/var/postgres
4. /usr/local/Cellar/postgresql//bin/createuser -s postgres

laixintao

Symbol          Meaning
>               Output redirection, (see File Redirection)
>>              Output redirection (append)
<               Input redirection
*               File substitution wildcard; zero or more characters
?               File substitution wildcard; one character
[ ]             File substitution wildcard; any character between brackets
`cmd`           Command Substitution
$(cmd)          Command Substitution
|               The Pipe (|)