eduardo-matos

from dateutil.relativedelta import relativedelta
from datetime import datetime, timedelta

first_date = datetime(1970, 1, 1)
date_list = [first_date + timedelta(days=x) for x in xrange(0, 1000000)]
forty_weeks = 40 * 7

for date in date_list:
    if ((date + relativedelta(months=10)) - date).days == forty_weeks:
        print('40 weeks equals 10 months! Starting at {}'.format(date))

eduardo-matos

=== command mode ===
h - moves left 1 char
j - moves down 1 line
k - moves up 1 line
l - moves right 1 char
w - moves right 1 word
b - mover left 1 word
$ - moves to the end of the line
^ - moves right before the first non-blank character in the line
0 - moves to the beginning of the line

eduardo-matos

# kill processes by name
pkill <process name>

# if the above doesn't work, drop an atomic bomb!
ps auxww | grep '<process name>' | awk '{print $2}' | xargs kill -9

eduardo-matos

# listar bancos de dados
\list

# passa a usar o banco
\c <banco>

# sair do prompt
\q

# mostrar todas as tabelas

eduardo-matos

mysqldump -u <user> -p --host=<host> --port=<port> <database> > <filename>.sql

eduardo-matos

# Teste em ambiente Windows
cls
python manage.py test %* --settings=app.settings.test
rd /S /q %~dp0\media_tests
 
# Teste em ambiente Unix
clear
python manage.py test $* --settings=app.settings.test
rm -rf $(dirname $0)/media_test

eduardo-matos

<script src="/js/dojo.js"
        data-dojo-config="'selectorEngine': 'sizzle/sizzle', 'packages': [{'name': 'sizzle', 'location': 'https://rawgithub.com/jquery/sizzle/master/dist/'}]" ></script>
<script src="my.js"></script>

eduardo-matos

from math import floor


BASE62 = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

def base_convert(src, from_base=10, to_base=16, alphabet=BASE62):
    src = str(src)
    from_alphabet = alphabet[:from_base]
    to_alphabet = alphabet[:to_base]

eduardo-matos

# coding: utf-8
 
from django.db import models
from django.utils.crypto import get_random_string
from django.utils.translation import ugettext_lazy as _


class Discount(models.Model):
    discount = models.FloatField(_('Discount Value'))
    code = models.CharField(_("Discount code"), max_length=255, unique=True, default=get_random_string)

eduardo-matos

from django.contrib import admin
from django.contrib.auth.admin import UserAdmin
from django.contrib.auth.models import User


class UserAdmin(admin.ModelAdmin):
    list_display = ('email', 'first_name', 'last_name')
    list_filter = ('is_staff', 'is_superuser')
    search_fields = ('email',)