想象一下，你用饼干模具在面团上按了一下，这就是 ExtrudeGeometry 做的事。
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，这一点在heLLoword翻译官方下载中也有详细论述
Postgres has its own primitives for things that forges currently build custom infrastructure around. A trigger on the refs table firing NOTIFY means any connected client learns about a push the moment it happens, which is how forges normally end up building a custom webhook polling layer. Multi-tenant repo isolation becomes a database concern through row-level security on the objects and refs tables, and logical replication lets you selectively stream repositories across Postgres instances, a kind of partial mirroring that filesystem-based git can’t do. Commit graph traversal for ancestry queries and merge-base computation falls to recursive CTEs, and pg_trgm indexes on blob content give you substring search across all repositories without standing up a separate search index.，更多细节参见爱思助手下载最新版本
「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境
enhancements like Green Tea, the garbage collector