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func generateToken() string {
	var length int = 25
	var seed []string = strings.Split("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "")
	var token string = ""
	for i := 0; i < length; i++ {
		rand.Seed(time.Now().UTC().UnixNano())
		index := rand.Intn(length - 1 + 10)
		token = token + seed[index]
	}
	return token

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# python2
import os
import string

charset = string.ascii_uppercase + string.digits
random_bytes = os.urandom(25)
len_charset = len(charset)
indices = [int(len_charset * (ord(byte) / 256.0)) for byte in random_bytes]
defaultToken = "".join([charset[index] for index in indices])

bulatie

// go to page below and run code
// https://www.zhihu.com/question/following 
function unfollow_all(){
    var remaining = $(".zg-unfollow").length;
    if (remaining > 0) {
        $(".zg-unfollow").first().trigger('click');
        window.scrollBy(0,100);
		setTimeout(unfollow_all, Math.random(0, 1).toFixed(2)*1000 + 500);
    }
}

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#!/usr/bin/python

import requests
from bs4 import BeautifulSoup
url = 'http://jandan.net/ooxx/page-'
page = 1963
for i in range(30):
    res = requests.get(url + str(page))
    html = BeautifulSoup(res.text, 'lxml')
    for index, each in enumerate(html.select('#comments img')):

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

list = [{
    'name': 'a',
    'id': 1,
    'pid': 0
}, {
    'name': 'b',
    'id': 2,
    'pid': 1

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

import time
import random

list1 = [3, 7, 8, 9, 12, 111]
list2 = [5, 6, 10, 13, 25, 30]
list3 = range(10000)
random.shuffle(list3)

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function autoTextarea (elem, extra, maxHeight) {
  extra = extra || 0
  var addEvent = function (type, callback) {
    elem.addEventListener ? elem.addEventListener(type, callback, false) : elem.attachEvent('on' + type, callback)
  }
  var getStyle = elem.currentStyle ? function (name) {
    var val = elem.currentStyle[name]
    if (name === 'height' && val.search(/px/i) !== 1) {
      var rect = elem.getBoundingClientRect()
      return rect.bottom - rect.top - parseFloat(getStyle('paddingTop')) - parseFloat(getStyle('paddingBottom')) + 'px'

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function toChineseNum (index) {
  let str = '' + index
  if (index > 99) return '一百'
  if (index < 10) {
    return str.replace(/1/g, '一')
      .replace(/2/g, '二')
      .replace(/3/g, '三')
      .replace(/4/g, '四')
      .replace(/5/g, '五')
      .replace(/6/g, '六')

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# This configuration file binds many vi- and vim-like bindings to the
# appropriate tmux key bindings.  Note that for many key bindings there is no
# tmux analogue.  This is intended for tmux 1.3, which handles pane selection
# differently from the previous versions

# split windows like vim
# vim's definition of a horizontal/vertical split is reversed from tmux's
bind s split-window -v
bind v split-window -h

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#参考资料

• http://bbs.et8.net/bbs/showthread.php?t=568472
• http://www.ruanyifeng.com/blog/2011/09/curl.html

###下载单个文件，默认将输出打印到标准输出中(STDOUT)中

curl http://www.centos.org