await blocking.writer.write(chunk3); // waits until consumer reads
Медведев вышел в финал турнира в Дубае17:59
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这一阵子，只要单位不加班，周五下了班，小苏就从石家庄主城区赶回家帮父母做灯笼。妈妈说：“人家都忙着搞对象，你不要跑了。”她不听，她是心疼父母，“年底忙，我帮他们干点儿，爸爸妈妈太辛苦了。”，推荐阅读51吃瓜获取更多信息
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.