def showAll(self):
		self.conn.commit()
		cur = self.conn.cursor()
		cur.execute("SELECT * FROM Domains")
		print cur.fetchall()
		cur.execute("SELECT * FROM Websites")
		print cur.fetchall()
def __get_stop_condition(self):
        for covariance in self.__variances:
            if numpy.linalg.norm(covariance) == 0.0:
                return True