zhangw

#!/usr/bin/env python

import logging
from scapy.all import *
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)

fakeip = ["4.36.66.178", "8.7.198.45", "37.61.54.158", "46.82.174.68", "59.24.3.173", "64.33.88.161", "64.33.99.47", "64.66.163.251", "65.104.202.252", "65.160.219.113", "66.45.252.237", "72.14.205.104", "72.14.205.99", "78.16.49.15", "93.46.8.89", "128.121.126.139", "159.106.121.75", "169.132.13.103", "192.67.198.6", "202.106.1.2", "202.181.7.85", "203.161.230.171", "207.12.88.98", "208.56.31.43", "209.145.54.50", "209.220.30.174", "209.36.73.33", "211.94.66.147", "213.169.251.35", "216.221.188.182", "216.234.179.13"]
testdomain = ["twitter.com", "facebook.com", "youtube.com"]
dnshost = "8.8.8.8"
for h in testdomain:

zhangw

var crypto = require('crypto');

var SaltLength = 9;

function createHash(password) {
  var salt = generateSalt(SaltLength);
  var hash = md5(password + salt);
  return salt + hash;
}

zhangw

description "PostgreSQL 9.1 Server"
author "PostgreSQL"

start on runlevel [2345]
stop on runlevel [016]
expect fork

respawn

env POSTGRESQL_HOME="/var/lib/postgresql/9.1/main"

zhangw

{
  "name": "my-app",
  "version": "0.0.0",
  "dependencies": {
    "browserify": "~2.36.1",
    "less": "~1.5.1"
  },
  "devDependencies": {
    "watchify": "~0.4.1",
    "catw": "~0.2.0"

zhangw

# /etc/security/limits.conf
*       soft    nofile  999999
*       hard    nofile  999999
root soft nofile 999999
root hard nofile 999999

===========================================================
# /etc/sysctl.conf
# sysctl for maximum tuning 

zhangw

import email

def get_decoded_email_body(message_body):
    """ Decode email body.

    Detect character set if the header is not set.

    We try to get text/plain, but if there is not one then fallback to text/html.

    :param message_body: Raw 7-bit message body input e.g. from imaplib. Double encoded in quoted-printable and latin-1

zhangw

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

zhangw

Github最近访问不了，hosts加入以下两行解决：
185.31.17.184 github.global.ssl.fastly.net 
185.31.17.184 github-camo.global.ssl.fastly.net

zhangw

http://freecode-freecode.blogspot.com/2008/11/how-to-gbkgb2312-and-utf-8-encoding.html

GB2312UTF8  = {
  Dig2Dec : function(s){
      var retV = 0;
      if(s.length == 4){
          for(var i = 0; i < 4; i ++){
              retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
          }
          return retV;

zhangw

puts "hello"
p "hello"
my_name = "Carole"
def salut(name)
  p "hello" + " " + name
end
salut(my_name)
def greeting
	puts "Enter your name : "
	name = gets.chomp