def make_addrs_sni_ready(self, addrs):
        # Version 2.4 and later are automatically SNI ready.
        if self.version >= (2, 4):
            return

        for addr in addrs:
            if not self.is_name_vhost(addr):
                logger.debug("Setting VirtualHost at %s to be a name "
                             "based virtual host", addr)
                self.add_name_vhost(addr)
Returns the dot product of the arrays, works for sparse and dense.
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot-apache/certbot_apache/configurator.py/ApacheConfigurator.make_addrs_sni_ready--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/regression/mixed_linear_model.py/_dot