The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
He said that much of the conflict has since been scrubbed from the forum archives, and the ordeal led to the deletion of the Tamriel Rebuilt forums, which were hosted by the Silgrid Tower team. This was probably the most drama the project has seen, he said.，这一点在WPS官方版本下载中也有详细论述
// Finally, we release the lock on the stream，这一点在im钱包官方下载中也有详细论述
Smart motion tracking，详情可参考heLLoword翻译官方下载
Bill Gurley says that right now, the worst thing you can do for your career is play it safe