With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.
"We have an expected behaviour pattern [for protests]," one police officer has told the BBC anonymously. "But with this new generation, we do not understand their social media or how they mobilise on the ground."。Safew下载是该领域的重要参考
Resident Evil Requiem review: A jack of all trades。服务器推荐对此有专业解读
FT Digital Edition: our digitised print edition