zhangw’s gists

zhangw / GFWDetector.py

Created January 30, 2013 07:03 — forked from gradetwo/GFWDetector.py

	#!/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 / password.js

Created March 28, 2013 04:16 — forked from soplakanets/password.js

	var crypto = require('crypto');

	var SaltLength = 9;

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

zhangw / create_function_dynamic.py

Last active December 17, 2015 09:48

	import types
	def create_function(name, args):
	def y():
	pass
	y_code = types.CodeType(args, \
	y.func_code.co_nlocals, \
	y.func_code.co_stacksize, \
	y.func_code.co_flags, \
	y.func_code.co_code, \
	y.func_code.co_consts, \

zhangw / gcc_path_include_libs.sh

Last active December 19, 2015 15:59

show gcc default include && libs path

echo | gcc -v -x c++ -E -

zhangw / bankcard_check.js

Created November 8, 2013 06:18

银行卡号Luhm校验算法

	//Description: 银行卡号Luhm校验算法

	//Luhm校验规则：16位银行卡号（19位通用）:

	// 1.将未带校验位的 15（或18）位卡号从右依次编号 1 到 15（18），位于奇数位号上的数字乘以 2。
	// 2.将奇位乘积的个十位全部相加，再加上所有偶数位上的数字。
	// 3.将加法和加上校验位能被 10 整除。

	//bankno位银行卡号
	function luhmCheck(bankno){

zhangw / batch_convert_files_to_utf8

Created June 4, 2014 15:34

	foreach($i in ls -recurse -Include .asp,.js,.html,.css) {
	$temp = get-content $i.fullname
	out-file -filepath $i.fullname -inputobject $temp -encoding utf8 -force
	}

zhangw / interfaces

Created June 5, 2014 08:23

the network interfaces configuration in ubuntu

	# The loopback network interface
	auto lo
	iface lo inet loopback

	# The primary network interface
	auto eth0
	iface eth0 inet dhcp

	# The secondary network interface
	auto eth1

zhangw / crypt.js

Created June 19, 2014 02:13

	/*
	Copyright 2014 Levi Gross. All Rights Reserved.

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software

zhangw / ord_unichr_unicode_char

Created August 28, 2014 11:02

convert unicode one-character to integer,return unicode one-character with ordinal integer.

	#unicode character
	char = u'\u2708'
	print char
	#integer value of the character
	ord_char = ord(char)
	print ord_char,hex(ord_char)
	#return the character
	uni_char = unichr(ord_char)
	assert(char==uni_char)
	print uni_char

zhangw / postgresql.conf

Last active August 29, 2015 14:21 — forked from haad/postgresql.conf

	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"

vincent zhangw