gavinballard

import hashlib, base64, hmac


def get_proxy_signature(query_dict, secret):
    """
    Calculate the signature of the given query dict as per Shopify's documentation for proxy requests.
    See: http://docs.shopify.com/api/tutorials/application-proxies#security
    """

    # Sort and combine query parameters into a single string.

hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

chrisguitarguy

from __future__ import with_statement # we'll use this later, has to be here
from argparse import ArgumentParser

import requests
from BeautifulSoup import BeautifulStoneSoup as Soup

def parse_sitemap(url):
	resp = requests.get(url)
	
	# we didn't get a valid response, bail