zed

"""time.process_time() and time.perf_counter() for Python 2 on Ubuntu."""
import ctypes
import errno
from ctypes.util import find_library
from functools import partial

CLOCK_PROCESS_CPUTIME_ID = 2  # time.h
CLOCK_MONOTONIC_RAW = 4

clockid_t = ctypes.c_int

ju-popov

######################################################################
#  CURRENT AWARE LOCAL DATETIME
######################################################################

from datetime import datetime
from tzlocal import get_localzone

local_tz = get_localzone()
local_dt = datetime.now(local_tz)

zed

Create a Postgis timezone DB

Ubuntu's analog of robcowie / postgis_timezone_db.markdown

Install postgis

sudo apt-get install python-software-properties
sudo apt-add-repository ppa:ubuntugis/ppa
sudo apt-get update

sudo apt-get install postgresql-9.1-postgis

zed

#!/usr/bin/env python
"""Merge sort a singly linked linear list."""
import random
from itertools import product

# Linked list is either empty or a value and a link to the next list
empty = None # empty list

class LL(object):
    __slots__ = "value", "next"

audreyfeldroy

• Update HISTORY.md
• Commit the changes:

git add HISTORY.md
git commit -m "Changelog for upcoming release 0.1.1."

• Update version number (can also be minor or major)

bumpversion patch

zed

#!/usr/bin/env python3
"""Emulate bash:

    $ cat /tmp/fifo.tub &
    $ gunzip -c /tmp/filedata.dat.gz > /tmp/fifo.tub

http://stackoverflow.com/questions/19859283/python-subprocess-hangs-with-named-pipes
"""
import os
from contextlib import contextmanager

zed

/* pipe/fork/dup2/execve exercise.

   The results are similar to: `sort -u --parallel 2 < input_file`

   http://stackoverflow.com/questions/19876980/create-2-child-processes-to-sort-words-of-a-file-using-pipe

   Usage:

   $ gcc -o sort-parallel-uniq *.c && ./sort-parallel-uniq < input_file
*/

zed

#!/usr/bin/env python
"""Demo: use a socket as subprocesses stdin/stdout.

http://stackoverflow.com/a/19961290
"""
import socket
from contextlib import closing
from subprocess import Popen, PIPE

host = "stackoverflow.com"

zed

/** Pipeline between three processes.

    http://stackoverflow.com/q/20056084/

   See @chill's answer: http://stackoverflow.com/a/8092270
 */
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

zed

#!/usr/bin/env python
"""Print words containing the same letter at least three times in a row.

http://stackoverflow.com/questions/20170022/elongated-word-check-in-sentence
"""
import re

words = open('/usr/share/dict/words')
#NOTE: support only ascii letters
elongated = re.compile(r'(?i)([a-z])\1{2,}').search