def add(self, item):
        for pos in self._hashes(item):
            self.hash |= (2 ** pos)
L{NewsBuilder._today} returns today's date in YYYY-MM-DD form.
dataset/ETHPy150Open chineking/cola/cola/core/bloomfilter/__init__.py/BloomFilter.add--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/python/test/test_release.py/NewsBuilderMixin.test_today