ikovalkovskyi

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

ikovalkovskyi

"""
Custom django checks.

    H001: Field has no verbose name.
    H002: Verbose name should use gettext.
    H003: Words in verbose name must be all upper case or all lower case.
    H004: Help text should use gettext.
    H005: Model must define class Meta.
    H006: Model has no verbose name.
    H007: Model has no verbose name plural.

ikovalkovskyi

import sys

def get_size(obj, seen=None):
    """Recursively finds size of objects"""
    size = sys.getsizeof(obj)
    if seen is None:
        seen = set()
    obj_id = id(obj)
    if obj_id in seen:
        return 0

ikovalkovskyi

# -*- coding: utf-8 -*-
import gevent.monkey
gevent.monkey.patch_all()

import collections
import threading
import time
import random
import sys

ikovalkovskyi

py.test test_sample.py --collect-only  # collects information test suite

py.test test_sample.py -v  # outputs verbose messages

py.test -q test_sample.py  # omit filename output

python -m pytest -q test_sample.py  # calling pytest through python

py.test --markers  # show available markers

ikovalkovskyi

"""UDP proxy server."""

import asyncio


class ProxyDatagramProtocol(asyncio.DatagramProtocol):

    def __init__(self, remote_address):
        self.remote_address = remote_address
        self.remotes = {}

ikovalkovskyi

#!/usr/bin/env python

"""Functions to convert IPv4 address to integer and vice-versa.

Written by Christian Stigen Larsen, http://csl.sublevel3.org
Placed in the public domain by the author, 2012-01-11

Example usage:
$ ./ipv4 192.168.0.1 3232235521
192.168.0.1 ==> 3232235521

ikovalkovskyi

# coding=utf-8
"""
LICENSE http://www.apache.org/licenses/LICENSE-2.0
"""
import datetime
import sys
import time
import threading
import traceback
import SocketServer

ikovalkovskyi

Set up Django, Nginx and Gunicorn in a Virtualenv controled by Supervisor

Steps with explanations to set up a server using:

• Virtualenv
• Virtualenvwrapper
• Django
• Gunicorn

ikovalkovskyi

from re import compile
from django.conf import settings
from django.http import HttpResponseRedirect
from django.utils.http import is_safe_url

EXEMPT_URLS = [compile(settings.LOGIN_URL.lstrip('/'))]
if hasattr(settings, 'LOGIN_EXEMPT_URLS'):
    EXEMPT_URLS += [compile(expr) for expr in settings.LOGIN_EXEMPT_URLS]

class LoginRequiredMiddleware: