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Transforming Code into Beautiful, Idiomatic Python

Notes from Raymond Hettinger's talk at pycon US 2013 video, slides.

The code examples and direct quotes are all from Raymond's talk. I've reproduced them here for my own edification and the hopes that others will find them as handy as I have!

Looping over a range of numbers

for i in [0, 1, 2, 3, 4, 5]:

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import { Component } from "React";

export var Enhance = ComposedComponent => class extends Component {
  constructor() {
    this.state = { data: null };
  }
  componentDidMount() {
    this.setState({ data: 'Hello' });
  }
  render() {

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from django.contrib.admin.views.decorators import staff_member_required


@staff_member_required
def login_using_email(request, email):
    '''DONT EVER USE this method for normal purposes. This is only there, for debugging specific problems related to users'''
    from django.contrib.auth import get_backends
    from django.contrib.auth import login as django_login
    from django.contrib.auth.models import User

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# References:
#   http://blog.mixu.net/2011/08/13/nginx-websockets-ssl-and-socket-io-deployment/
#   http://blog.exceliance.fr/2012/09/10/how-to-get-ssl-with-haproxy-getting-rid-of-stunnel-stud-nginx-or-pound/
#

global
    nbproc  2
    maxconn 16384

defaults

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#
# I didn't write those, ;) all props go to http://stackoverflow.com/users/110735/clint-modien
# 
# The following bash functions show you the difference in commits between the branch you are on
# and another branch that you either want to commit too or merge from.
#
# USAGE:
# gbout branch_i_want_to_push_too  [-p, --raw]
# gbin  branch_i_want_to_pull_from [-p, --raw]
#

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from django.core.exceptions import SuspiciousOperation
from django.utils.encoding import force_unicode
from django.contrib.sessions.backends.base import SessionBase, CreateError
from django.conf import settings
import redis

class SessionStore(SessionBase):
    """
    A Redis-based session store.
    """

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            'analysis': {
                'filter': {
                    'filter_edge_ngram': {
                        'side': 'back',
                        'max_gram': 20,
                        'min_gram': 2,
                        'type': 'edgeNGram',
                        },
                    'filter_ngram': {
                        'max_gram': 20,

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import logging
log = logging.getLogger('socrates')

from Queue import Empty, Full, Queue

from riak.transports import RiakPbcTransport
from riak.transports.transport import RiakTransport


class PbcPoolTransport(RiakTransport):

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curl -XDELETE 'http://localhost:9200/twitter/'
curl -XPUT 'http://localhost:9200/twitter/' -d '{
"settings" : { 
    "analysis": 
        {
            "filter": {
                "synonym_filter" : {
                    "type" : "synonym",
                    "synonyms": [
                            "i-phone 4, i phone 4, iphone 4  => iphone4"

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#!/usr/bin/env sh

##
# This is script with usefull tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# install it:
#   curl -sL https://raw.github.com/gist/2108403/hack.sh | sh
#