Lack of Key Separation: Secure API design requires distinct keys for each environment (Publishable vs. Secret Keys). By relying on a single key format for both, the system invites compromise and confusion.
The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.，更多细节参见safew官方下载
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1. Jasper Ai(Formerly known as Jarvis)，详情可参考搜狗输入法下载