Oleksandr Podolskyi podolskyi

git discard all local changes/commits and pull from upstream

git reset --hard origin/master

git pull origin master

Writing better python code

960 Grid System - An effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12 and 16 columns, which can be used separately or in tandem.
Compass - Open source CSS Authoring Framework.
Bootstrap - Sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development.
Font Awesome - The iconic font designed for Bootstrap.
Zurb Foundation - Framework for writing responsive web sites.
SASS - CSS extension language which allows variables, mixins and rules nesting.
Skeleton - Boilerplate for responsive, mobile-friendly development.

lxml - Pythonic binding for the C libraries libxml2 and libxslt.
boto - Python interface to Amazon Web Services
Django - Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
Fabric - Library and command-line tool for streamlining the use of SSH for application deployment or systems administration task.
PyMongo - Tools for working with MongoDB, and is the recommended way to work with MongoDB from Python.
Celery - Task queue to distribute work across threads or machines.
pytz - pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher.

	#!/usr/bin/env python
	# -- coding: utf-8 --

	# A spider example on using reactor.callLater()
	# for delays and repetition.

	# scrapy 0.24

	import scrapy
	from twisted.internet import reactor, defer

	from celery.schedules import crontab
	from flask.ext.celery import Celery

	CELERYBEAT_SCHEDULE = {
	# executes every night at 4:15
	'every-night': {
	'task': 'user.checkaccounts',
	'schedule': crontab(hour=4, minute=20)
	}
	}

	from scrapy import Spider, Item, Field
	from twisted.internet import defer, reactor


	class MyItem(Item):
	url = Field()


	class MySpider(Spider):

	$ scrapy runspider txspider.py
	2016-07-05 23:11:39 [scrapy] INFO: Scrapy 1.1.0 started (bot: scrapybot)
	2016-07-05 23:11:39 [scrapy] INFO: Overridden settings: {}
	2016-07-05 23:11:40 [scrapy] INFO: Enabled extensions:
	['scrapy.extensions.corestats.CoreStats', 'scrapy.extensions.logstats.LogStats']
	2016-07-05 23:11:40 [scrapy] INFO: Enabled downloader middlewares:
	['scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
	'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
	'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
	'scrapy.downloadermiddlewares.retry.RetryMiddleware',

	from scrapy.xlib.pydispatch import dispatcher
	from scrapy import signals
	from scrapy.exceptions import DropItem
	from scrapy.utils.serialize import ScrapyJSONEncoder

	from carrot.connection import BrokerConnection
	from carrot.messaging import Publisher

	from twisted.internet.threads import deferToThread

	from multiprocessing import Pool
	from functools import partial


	def parallel_function(f):
	def parallize(f, seq):
	pool = Pool()
	pool.map(f, seq)
	pool.close()
	pool.join()