Get editor selected deals texted right to your phone!
"The internet has become a place that maybe isn't all that human in authenticity which was maybe the original promise… but Reddit has preserved that."
，这一点在旺商聊官方下载中也有详细论述
第二章 居民委员会的组成和职责
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.