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/** Print the _known_ (2013) perfect numbers less than *limit* given on stdin to stdout.

    It uses gmplib (-lgmp) to support arbitrary precision integer arithmetic.
    To compile and print all perfect numbers that are less than 100000000:
      $ gcc print-perfect-numbers.c -lgmp && echo 100000000 | ./a.out
*/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>

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# Answer for http://stackoverflow.com/questions/26528007/parse-date-based-on-locale-php-python
from datetime import date
import parsedatetime as pdt # $ pip install parsedatetime


def unix(utc_date, epoch_ord=date(1970, 1, 1).toordinal()):
    return (utc_date.toordinal() - epoch_ord) * 86400
    
for date_string, locale in [("30 juin 2009", "fr_FR"),
                            ("30.06.2009", "de_DE"),

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#!/usr/bin/env python3
"""Generate data at constant rate (float interval).

To try, run:

    $ python3 constant-bit-rate-modulo.py | pv >/dev/null

"""
from time import sleep, monotonic as timer

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/** Enumerate integer partitions using Algorithm P from Knuth's TOACP V4 7.2.1.4

    $ cc -std=c99 *.c && echo 4 | ./a.out
    # Output:
    4
    3 + 1
    2 + 2
    2 + 1 + 1
    1 + 1 + 1 + 1
 */

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#!/usr/bin/env python
"""Print info in json format about OS process specified by its pid.

   Usage: procinfo PID

   To install:

     $ sudo apt-get install python-psutil # install dependencies
     # https://pypi.python.org/pypi?:action=display&name=psutil#downloads

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import posixpath
try:
    from urlparse import urlsplit
    from urllib import unquote
except ImportError: # Python 3
    from urllib.parse import urlsplit, unquote

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#!/usr/bin/env python
"""Play a media (audio/video) file using GStreamer.

To install Gstreamer and its Python bindings on Ubuntu, run:

    $ sudo apt-get install python-gi python3-gi \
        gstreamer1.0-tools \
        gir1.2-gstreamer-1.0 \
        gir1.2-gst-plugins-base-1.0 \
        gstreamer1.0-plugins-good \

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#!/usr/bin/env python
"""Save all Unicode characters as individual images.

Based on @JackNova's answer http://stackoverflow.com/a/22612295

To save as jpeg, install libjpeg before installing Pillow e.g.:

    $ sudo apt-get install libjpeg-dev -y
    $ pip install -U pillow # assuming a virtualenv is active

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import os
import asyncio
import sys

from asyncio.streams import StreamWriter, FlowControlMixin

reader, writer = None, None

@asyncio.coroutine
def stdio(loop=None):

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#!/usr/bin/env python
"""Test functions from

http://stackoverflow.com/questions/28680896/how-can-i-get-the-3rd-friday-of-a-month-in-python
"""
import calendar
from datetime import date, datetime, time, timedelta
from itertools import islice

DAY = timedelta(1)