A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
a host computer that is some distance away or, even worse, in The Cloud.
。heLLoword翻译官方下载对此有专业解读
"I'm pretty comfortable with the aspiration to be in a unique special relationship as long as we remember it needs to be created," he says.
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