Фото: Максим Блинов / РИА Новости
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Quadtrees are everywhere spatial data exists. Mapping services use quadtree-like tile pyramids to serve map tiles at different zoom levels (Bing's quadkey system, for example, addresses tiles as base-4 paths). Game engines use them for collision detection and visibility culling. Geographic information systems use spatial indexes to store and query spatial datasets. PostGIS uses GiST indexes (R-tree-style) for spatial queries on geometries, while PostgreSQL's core supports quadtree-like SP-GiST indexes for certain data types like points.。关于这个话题，Line官方版本下载提供了深入分析
India has previously faced criticism over broad website blocking measures. In 2014, authorities briefly restricted access to developer platform GitHub, along with services such as Vimeo, Pastebin and Weebly, during a security probe. Users on some Indian networks in 2023 also reported that a key GitHub content domain had been blocked by certain ISPs, according to earlier reports.
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