rctay

"""
Came up with this for satchmo's downloadable product migration, 0001_split.
"""
def db_table_exists(table, cursor=None):
    try:
        if not cursor:
            from django.db import connection
            cursor = connection.cursor()
        if not cursor:
            raise Exception

techtonik

# Public Domain, i.e. feel free to copy/paste
# Considered a hack in Python 2

import inspect

def caller_name(skip=2):
    """Get a name of a caller in the format module.class.method
    
       `skip` specifies how many levels of stack to skip while getting caller
       name. skip=1 means "who calls me", skip=2 "who calls my caller" etc.

mburst

from bitarray import bitarray
import mmh3

class BloomFilter:
    
    def __init__(self, size, hash_count):
        self.size = size
        self.hash_count = hash_count
        self.bit_array = bitarray(size)
        self.bit_array.setall(0)

gabro

#!/bin/bash

FILES=`git ls-tree --name-only HEAD .`
MAXLEN=0
IFS=$(echo -en "\n\b")
for f in $FILES; do
    if [ ${#f} -gt $MAXLEN ]; then
        MAXLEN=${#f}
    fi
done

danriti

Install the line_profiler module:

[driti@ubuntu ]$ pip install line_profiler

Add the @profile decorator and run:

[driti@ubuntu ]$ kernprof.py -l -v example.py

roger-link

import time
from pycallgraph import PyCallGraph
from pycallgraph.output import GraphvizOutput


class CallgraphMiddleware(object):
    def process_view(self, request, callback, callback_args, callback_kwargs):

        if settings.DEBUG and 'graph' in request.GET:
            pycallgraph = PyCallGraph(output=GraphvizOutput(output_file='callgraph-' + str(time.time()) + '.png'))

1mm0rt41PC

def hexdump( src, length=16, sep='.' ):
	'''
	@brief Return {src} in hex dump.
	@param[in] length	{Int} Nb Bytes by row.
	@param[in] sep		{Char} For the text part, {sep} will be used for non ASCII char.
	@return {Str} The hexdump

	@note Full support for python2 and python3 !
	'''
	result = [];

olslash

var externalObj = {key: 'value'};

var items = {
  obj: {
    'string prop': 'string val',
    5: 10,
    nested: [[3, [5, 2]]],
    'function': function(){return true;},
    reference: externalObj
  },

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

Zulko

"""

Physics simulation with PyODE followed by a (basic) rendering with Vapory
See the result here: http://i.imgur.com/TdhxwGz.gifv

Zulko 2014
This script is placed in the Public Domain (Licence Creative Commons 0)

"""