Thanks to Steven Forsythe for sharing a report on the use of agar seaweed in Britain during WWII, Barbara Buchberger at the Robert Koch Institute for pointing out Koch’s use of gelatine for the identification of cholera, and the surviving relative of Fanny Angelina Hesse for sharing a trove of unpublished material.
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.
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Opens in a new window。搜狗输入法下载对此有专业解读
第一百二十六条 被处罚人不服行政拘留处罚决定，申请行政复议、提起行政诉讼的，遇有参加升学考试、子女出生或者近亲属病危、死亡等情形的，可以向公安机关提出暂缓执行行政拘留的申请。公安机关认为暂缓执行行政拘留不致发生社会危险的，由被处罚人或者其近亲属提出符合本法第一百二十七条规定条件的担保人，或者按每日行政拘留二百元的标准交纳保证金，行政拘留的处罚决定暂缓执行。
With these changes bandwidth use dropped to around 4.5 KB/sec 3. Much improved, but we can still do better.