cansadadeserfeliz

>>> Airport.objects.filter(
    iata_code='DME',
).values_list(
    'iata_code', 
    'city__name', 
    'city__country__name',
)
[(u'DME', u'Moscow', u'Russia')]

cansadadeserfeliz

from django.db import models

class Project(models.Model):
    name = models.CharField(max_length=140)
    parent = models.ForeignKey('self', blank=True, null=True)

class ProjectForm(ModelForm):
    def __init__(self, *args, **kwargs):
        super(ProjectForm, self).__init__(*args, **kwargs)
        ordered = []

cansadadeserfeliz

import datetime
duration = datetime.timedelta(seconds=1823723)   # 21 days, 2:35:23
days, seconds = duration.days, duration.seconds  # (21, 9323)
hours = seconds // 3600                          # 2
minutes = (seconds % 3600) // 60                 # 35
seconds = (seconds % 60)                         # 23

cansadadeserfeliz

SOCIAL_AUTH_FACEBOOK_SCOPE = [
    'email',
    'user_friends',
    'friends_location',
]

cansadadeserfeliz

export CPPFLAGS=-Qunused-arguments
export CFLAGS=-Qunused-arguments

brew install libjpeg

#pip install Pillow
#pip install pyOpenSSL

cansadadeserfeliz

[user]
    name = Vera
    email = vera@example.com
[color]
    ui = true
[alias]
    st = status
    ci = commit
    last = log -1 HEAD
    co = checkout

cansadadeserfeliz

find . -name "*.pyc" -exec rm '{}' ';'

cansadadeserfeliz

export CFLAGS=-Qunused-arguments
export CPPFLAGS=-Qunused-arguments

pip install lxml

cansadadeserfeliz

class Post(models.Model):
    image = models.ImageField(
        max_length=255,
        upload_to='uploads/blog',
    )

cansadadeserfeliz

    def get_queryset(self):
        queryset = super(MyModel, self).get_queryset()
        states_filter = [
            item.strip()
            for item in config.STATES.split(',')
        ]
        if not states_filter:
            MyModel.objects.none()
        q = Q()
        for state in states_filter: