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 __notify(self):
        if self.__observer is not None:
            self.__observer.notify(self.__means, self.__variances, self.__clusters)