Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
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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.
Older power stations have simply placed a grill across the inlet pipes, filtering out fish, which are killed in the process.
On Friday, the BBC said: "Shortly in advance of a hearing (due 16 February), Mr Wallace discontinued his claim. He is not receiving any payment in costs or damages from either BBC or BBC Studios."