davidwtbuxton

import itertools


def grouper(iterable, n):
    """Collect data into chunks.

    This is different to the grouper recipe in itertools in that the final
    chunk may be shorter.

    >>> grouper('ABCDEF', 3)

davidwtbuxton

#!/usr/bin/env python2
import csv
import hashlib
import sys


# Calculate an MD5 checksum for every row in the first column of a CSV.
# Example:
# $ python digests.py < src.csv > dest.csv

davidwtbuxton

# Speed comparison of bencodepy and buxtor.bencode
# bencodepy is consistently 0.3 - 0.5 seconds faster. Why?

# bencodepy: https://github.com/eweast/BencodePy/blob/master/bencodepy/encode.py
#          4914005 function calls (3618005 primitive calls) in 2.830 seconds
#
#
# buxtor.bencode: https://github.com/davidwtbuxton/buxtor/blob/master/buxtor/bencode.py
#          5592005 function calls (4548005 primitive calls) in 3.183 seconds

davidwtbuxton

If you want to make us angry you can do

<ng-class="{'ng-hidden': condition}">

instead of ng-hidden="condition"

or even better

davidwtbuxton

import mimetypes

from django.http import HttpResponse
from google.appengine.api import app_identity
from google.appengine.ext import blobstore


def serve_cloud_storage_file(request, object_name):
    """Serve a file from cloud storage by setting a header on the response.
    The blobstore will serve it for you.

davidwtbuxton

# List all URLs in a Django application.
from collections import namedtuple

from django.conf.urls import RegexURLResolver, include
from django.views.generic import View


def walk_patterns(patterns, prefix=()):
    """Yields pairs of (RegexURLPattern, prefixes) where the first is the
    pattern instance which has the actual view function, url name, etc. and the

davidwtbuxton

$ python -m timeit -s 'd = {}' 'd.update({"key": "value"})'
1000000 loops, best of 3: 0.293 usec per loop
$ python -m timeit -s 'd = {}' 'd["key"] = "value"'
10000000 loops, best of 3: 0.0433 usec per loop

davidwtbuxton

From: "Captain Michael Kelvington"<test@jlcity.gov.cn>
Subject: DEAR FRIEND
Date: Thu, 17 Oct 2013 23:39:09 +0200

Dear Friend
 
Forgive my indignation if this message comes to you as a surprise and may
offend your personality for contacting you without your prior consent and
Writing through this channel. I got your contact from the professional data
base found in the internet Yahoo tourist search; I was searching for a foreign

davidwtbuxton

11 January 2013. Double-encoded markup in BBC Atom/RSS feeds.

BBC Atom feeds are double-encoding XHTML markup. But content of an <content type="xhtml">...</content> element must be the actual markup, not escaped markup.

This bug results in reader software showing the markup rather than the formatted content.

See Atom processing model: http://tools.ietf.org/html/rfc4287#section-4.1.3.3

E.g. http://www.bbc.co.uk/blogs/radio4/atom/ contains an entry like this (edited for clarity). Note the <p> tag is encoded as <p>.

davidwtbuxton

# http://www.reddit.com/r/learnpython/comments/167cay/using_python_with_excel_and_sql/
# pip install xlwt ibm_db
import xlrd
import logging
import ibm_db_dbi


logging.basicConfig(level=logging.DEBUG)