Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
In microcode, the privilege check reduces to a single conditional jump:
。服务器推荐是该领域的重要参考
《夜王》没有把夜总会拍成“坏地方”，也没有把它拍成“好地方”。它拍的是一种香港式的现实：世界在变，人只能在夹缝里继续做事——继续把灯开着，继续把客人迎进门，继续让笑声出现，直到某一天门真的关上。
const byobRequest = controller.byobRequest;，这一点在Line官方版本下载中也有详细论述
How is a user supposed to understand that they are potentially blowing away photos of deceased relatives, an encrypted property deed, or their digital currency?，更多细节参见Line官方版本下载
This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.