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.
of size 4. The old backing store of size 2 is now garbage.
，这一点在搜狗输入法下载中也有详细论述
ExpressVPN (1-Month Plan)
蜡梅并非梅花，那究竟是“蜡梅”还是“腊梅”？