self.session.headers["User-Agent"] = random.choice(self.config.user_agents)
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.，这一点在safew官方版本下载中也有详细论述
Resident doctors represent nearly half the medical workforce and range from doctors fresh out of university through to those with up to a decade of experience.，这一点在旺商聊官方下载中也有详细论述
Proactive notification. They plan to communicate proactively when they identify leaked keys, prompting immediate action.