Фото: Павел Львов / РИА Новости
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
，这一点在雷电模拟器官方版本下载中也有详细论述
郭鳳儀（Anna Kwok）得知父親因國家安全罪名在香港被捕時，她感到震驚，但她說：「同時也有一種預感，知道這一天遲早會來。」
gitgres is a neat hack right now, but if open source hosting keeps moving toward federation and decentralization, with ForgeFed, Forgejo’s federation work, and more people running small instances for their communities, the operational simplicity of a single-Postgres deployment matters more than raw storage efficiency. Getting from a handful of large forges to a lot of small ones probably depends on a forge you can stand up with docker compose up and back up with pg_dump, and that’s a lot easier when there’s no filesystem of bare repos to manage alongside the database.
Вячеслав Агапов