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# -*- coding: utf-8 -*- | |
""" | |
Read and write ZIP files. | |
""" | |
import struct, os, time, sys, shutil | |
import binascii, cStringIO, stat | |
import io | |
import re | |
import string, bz2 |
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# original code: http://code.activestate.com/recipes/578202-credit-card-number-check/ | |
cc_patterns = { # '<cc_type>' : { dict of valid lengths : [list of associated prefixes] } | |
'amex' : { (15) : ('34', '37') }, | |
'carteblanche' : { (14) : ('300', '301', '302', '303', '304', '305', '36', '38') }, | |
'dinersclub' : { (14) : ('300', '301', '302', '303', '304', '305', '36', '38') }, | |
'discover' : { (16) : ('6011') }, | |
'enroute' : { (15) : ('2014', '2149') }, | |
'jcb' : { (15) : ('2131', '1800'), (16) : ('3') }, | |
'mastercard' : { (16) : ('51', '52', '53', '54', '55') }, |
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import timeit | |
def debug(func, var): | |
print "Timing", func, | |
stmt = lambda: func(var) | |
tm = timeit.Timer(stmt=stmt) | |
res = tm.timeit(10000) | |
lst = stmt() | |
print "%1.10f" % (res*1000) |
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# -*- coding: utf-8 -*- | |
import wave, array | |
wi = wave.open('a.wav', 'rb') | |
wo = wave.open('a-reduced.wav', 'wb') | |
wo.setparams(wi.getparams()) | |
def process_start(frms): | |
delta, threshold = 50, 250 |
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sudo apt-get install btrfs-tools | |
sudo su | |
mkdir /data | |
cd /data | |
# create 500 MB file | |
dd if=/dev/zero of=/data/datadisk bs=1024 count=500000 | |
# create btrfs |