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# artigo onde o autor explica o motivo de travamento
https://pythonspeed.com/articles/python-multiprocessing/

# multiprocessing.set_start_method
https://docs.python.org/3/library/multiprocessing.html#multiprocessing.set_start_method

# AttributeError: Can't pickle local object
https://stackoverflow.com/questions/52265120/python-multiprocessing-pool-map-attributeerror-cant-pickle-local-object

# AttributeError: Can\'t pickle local object \'_objective_function_wrapper.<locals>.inner #2189

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# reference:
# https://stackoverflow.com/questions/6974695/python-process-pool-non-daemonic/8963618#8963618

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import multiprocessing
# We must import this explicitly, it is not imported by the top-level
# multiprocessing module.
import multiprocessing.pool

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l1 = [1,2,6,8]
l2 = [2,3,5,8]

l3 = [x for x in l1 if x not in l2]  # l3 will contain [1, 6]

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import multiprocessing
import time
from random import randint

PROCESSES = 5
WORKER_CALLS = 7

def worker(num):
    """worker function"""
    print 'Starting worker', num

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docker run --net=host <docker-image>

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FROM node:8.9.4-alpine

RUN apk --no-cache add python build-base

RUN mkdir -p /app
WORKDIR /app

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PS.: Your image need to have support for bash

command: bash -c "python manage.py migrate && python manage.py runserver 0.0.0.0:8000"

command: >
    bash -c "python manage.py migrate
    && python manage.py runserver 0.0.0.0:8000"

Credits: https://stackoverflow.com/questions/30063907/using-docker-compose-how-to-execute-multiple-commands/30064175

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#!/bin/bash

##################################################################################################
##                                                                                              ##
##  Credits:                                                                                    ##
##  - http://www.phpit.com.br/artigos/configurando-ssl-servidor-de-desenvolvimento-apache.phpit ##
##  - http://wime.com.br/2013/06/28/como-criar-certificado-ssl-no-apache-para-ubuntu-12-04/     ##
##                                                                                              ##
##################################################################################################

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UNDO A LAST LOCAL COMMIT

# use --soft if you want to keep your changes
git reset --soft HEAD^

# use --hard if you don't care about keeping the changes you made
git reset --hard HEAD^

---------------------------------
UNDO A LAST PUBLIC COMMIT