ragingwind

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
• The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
• Scaling Twitter: Making Twitter 10000 Percent Faster

dypsilon

Frontend Development

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scturtle

import pygame
import random
from Queue import Queue, deque
from pygame.color import Color

d = 20
WIDTH = 15
HEIGHT = 10

LEFT, RIGHT, UP, DOWN = -1, 1, -WIDTH, WIDTH

scturtle

import random

opmv = {'O': 'X', 'X': 'O'}

def print_grid(grid):
    print '\n' + '\n'.join(' '.join(line) for line in zip(*[iter(grid)]*3))

def possible(grid):
    return [i for i in xrange(9) if grid[i] == '_']

scturtle

''' Priority queue implemented by heap.
    Some codes are copied from the official library heapq.
    Priority changes for queue item is possible and fast. '''


class PQ:
    def __init__(self):
        self.heap = []
        self.priority = {}
        self.position = {}

isnowfy

# Example usage
# $ python dft.py | gnuplot
# 9
# 0 0
# 1 1
# 2 2
# 0 2
# 1 1
# -1 1
# 0 2

scturtle

set DARKGREEN 2b6003
set LIGHTGREEN b7da2d
set DARKBLUE 2f6f93
set LIGHTBLUE 87d6fc
set SPARATOR \u2b80
set SPARATOR_THIN \u2b81

function fish_prompt
    # first line
    set_color -o $DARKGREEN -b $LIGHTGREEN

securitytube

#!/usr/bin/env python
import socket 
rawSocket = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))
rawSocket.bind(("mon0", 0x0003))
ap_list = set()
while True :
  pkt = rawSocket.recvfrom(2048)[0] 
	if pkt[26] == "\x80" :
		if pkt[36:42] not in ap_list  and ord(pkt[63]) > 0:
			ap_list.add(pkt[36:42])

securitytube

#!/usr/bin/env python

from scapy.all import *

ap_list = []

def PacketHandler(pkt) :

  if pkt.haslayer(Dot11) :
		if pkt.type == 0 and pkt.subtype == 8 :

scturtle

# coding: utf-8
from __future__ import unicode_literals
import re
import sys
import requests
import HTMLParser

cookie_t = ''
uid      = ''
filename = ''