Programming with Visual Expressions, Wayne Citrin
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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.。关于这个话题，heLLoword翻译官方下载提供了深入分析
Welcome to the big leagues, Netflix
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊