Kirill A. Golubev ffkirill

## docker-compose.yml
version: '3'
services:
  rabbitmq:
    image: "rabbitmq:alpine"
    expose:
      - "5672"
  postgres:
    image: "postgres:alpine"
    expose:
      - "5432"

## mixin.py
class AjaxUpdateTemplateViewMixin(object):
    update_block = 'ajax_content'

    def render_to_response(self, context, **response_kwargs):
        """
        :type self: django.view.generic.TemplateView
        """
        if self.request.is_ajax():
            response = TemplateResponse(
                request=self.request,

## 4render.html
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>4WayFS series renderer</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
    </head>
    <body>

## profile.py
def profile(func):
    """Decorator for run function profile"""
    import cProfile
    import gprof2dot
    import os
    def wrapper(*args, **kwargs):
        profile_filename = func.__name__ + '.prof'
        profiler = cProfile.Profile()
        result = profiler.runcall(func, *args, **kwargs)
        profiler.dump_stats(profile_filename)

## set_trace
try:
    import pydevd
    pydevd.settrace()
except:
    pass

## Postgress cheatsheet
1.Enter db shell:
# sudo -u postgres psql

2.Cheate user and owned database:

CREATE USER some_db_user WITH PASSWORD 'db_users_password';
CREATE DATABASE some_db WITH OWNER some_db_user;

## virtualenv & pip cheatsheet
Make a virtualenv:
$ virtualenv project_dir/virtualenv --no-site-packages

Activate the vitrualenv:
$ source project_dir/virtualenv/bin/activate

Install something:
$ project_dir/virtualenv/bin/pip install Some_package

Save requirements:
	version: '3'
	services:
	rabbitmq:
	image: "rabbitmq:alpine"
	expose:
	- "5672"
	postgres:
	image: "postgres:alpine"
	expose:
	- "5432"
	class AjaxUpdateTemplateViewMixin(object):
	update_block = 'ajax_content'

	def render_to_response(self, context, **response_kwargs):
	"""
	:type self: django.view.generic.TemplateView
	"""
	if self.request.is_ajax():
	response = TemplateResponse(
	request=self.request,
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>4WayFS series renderer</title>
	<meta name="description" content="">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	</head>
	<body>
	def profile(func):
	"""Decorator for run function profile"""
	import cProfile
	import gprof2dot
	import os
	def wrapper(args, *kwargs):
	profile_filename = func.__name__ + '.prof'
	profiler = cProfile.Profile()
	result = profiler.runcall(func, args, *kwargs)
	profiler.dump_stats(profile_filename)
	1.Enter db shell:
	# sudo -u postgres psql

	2.Cheate user and owned database:

	CREATE USER some_db_user WITH PASSWORD 'db_users_password';
	CREATE DATABASE some_db WITH OWNER some_db_user;
	Make a virtualenv:
	$ virtualenv project_dir/virtualenv --no-site-packages

	Activate the vitrualenv:
	$ source project_dir/virtualenv/bin/activate

	Install something:
	$ project_dir/virtualenv/bin/pip install Some_package

	Save requirements: