jaychoo

def get_dict(keys):
    if keys:
        return dict([k, ''] for k in keys)
    return {}

jaychoo

from pymongo import Connection

class MongoCon(object):
    __db = None

    @classmethod
    def get_connection(cls):
        if cls.__db is None:
            cls.__db = Connection()
        return cls.__db

jaychoo

engine = ConnectionPool.get_engine()
Base = declarative_base()
Session = scoped_session(sessionmaker(bind=engine))

jaychoo

from BeautifulSoup import BeautifulSoup

''.join(BeautifulSoup(page).findAll(text=True))

jaychoo

scala.io.Source.fromFile("file.txt").getLines.reduceLeft(_+_)

jaychoo

from django.utils.functional import curry
from django.views.defaults import server_error, page_not_found

handler500 = curry(server_error, template_name='admin/500.html')
handler404 = curry(page_not_found, template_name='admin/404.html')

url(r'^accounts/login/$', 'django.contrib.auth.views.login', {'template_name': 'admin/login.html'}),

jaychoo

import os
PROJECT_ROOT = os.path.dirname(os.path.realpath(__file__))



TEMPLATE_DIRS = (
    os.path.join(PROJECT_ROOT, 'templates'),                                                                                                                                                                      
)

jaychoo

d = {1:1, 2:2}

a = d.pop(1, None) # Pop item from d
b  = d.get(2, None) # Get item from d, no change in the dict object

jaychoo

from itertools import chain
result_list = list(chain(page_list, article_list, post_list))

jaychoo

s = 'abcde'

print s[::-1]
print ''.join(reversed(s))