def __init__(self):
        self.last_updated = None
        self.controllers = []
        self.refresh()
Verbose version of get_articles_from_same_day_1, which does a custom
dataset/ETHPy150Open openstack/proliantutils/proliantutils/hpssa/objects.py/Server.__init__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/modeltests/custom_methods/models.py/Article.articles_from_same_day_2