fangdingjun

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import urllib2
import urllib
import json
import xmlrpclib

class PcsLib(object):
    def __init__(self, access_token, timeout = 10, basepath= "/apps/bypy"):

fangdingjun

var net=require("net");
var tls = require("tls");

/* listen address and port */
var listen_host = "0.0.0.0";
var listen_port = 8080;

/* the upstream https servers */
var servers = [
    {host: "a.example.com",port:18080},

fangdingjun

#限制单个ip的tcp的并发连接数为30
iptables -A INPUT -p tcp -m connlimit --connlimit-above 30 -j DROP

#限制连接web服务的连接速度, 单个ip在10s内只允许建立10个新连接
iptables -A INPUT -p tcp -m multiport --dport 80,443 -m state --state NEW --set --name web
iptables -A INPUT -p tcp -m multiport --dport 80,443 -m state --state NEW --update --name web \
--hitcount 10 --seconds 10 -j REJECT

fangdingjun

package main

import (
	"fmt"
	"log"
	"os"
	"strconv"
)

const (

fangdingjun

package main

import (
	"fmt"
)

func main() {
	var N = 12
	for i := 0; i <= N; i++ {
		for j := 0; j <= i; j++ {

fangdingjun

package main

import (
	"fmt"
)

var maze [][]int = [][]int{
	{2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
	{2, 0, 0, 0, 2, 0, 0, 0, 2, 2},
	{2, 0, 2, 0, 2, 0, 2, 2, 0, 2},

fangdingjun

package main

import (
	"fmt"
)

var flags = []int{1,2,3,3,2,1,1,2,3}

func main() {
	var i, j, n int

fangdingjun

package main
import (
    "fmt"
    "os"
    "strconv"
)
var count int
func hanoi(n int, a, b, c string){
    if n == 1{
        count++

fangdingjun

#ifdef WIN32
#include <winsock2.h>
#include <Ws2tcpip.h>
#include <string.h>
#include <stdint.h>
#include <stdio.h>
int inet_pton4(const char *src, char *dst);
int inet_pton6(const char *src, char *dst);

int inet_pton(int af, const char *src, char *dst)

fangdingjun

#!python

"""
 a socks server implemented by twisted
 support socks4/4a, socks5 protocol
 only support CONNECT command 
#
"""

from twisted.internet.protocol import Protocol