wting

from hypothesis import given, settings
from hypothesis.strategies import lists, sampled_from

def new_state():
    return {'big': 0, 'small': 0}

def invariants(state):
    return (0 <= state['small'] <= 3 and
            0 <= state['big']   <= 5)

wting

import binascii
import struct


class Punk(object):

    """Full blog post about hiding data within PNG files here:
    http://blog.brian.jp/python/png/2016/07/07/file-fun-with-pyhon.html

    Example use case:

wting

require 'digest/md5'

def gfm(text)
  # Extract pre blocks
  extractions = {}
  text.gsub!(%r{<pre>.*?</pre>}m) do |match|
    md5 = Digest::MD5.hexdigest(match)
    extractions[md5] = match
    "{gfm-extraction-#{md5}}"
  end

wting

var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";

parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port;     // => "3000"
parser.pathname; // => "/pathname/"
parser.search;   // => "?search=test"
parser.hash;     // => "#hash"
parser.host;     // => "example.com:3000"

wting

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!