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For reads, the story is very similar. They’re supposed to happen through “Views”, which are the read-only equivalent to reducers. Since they acquire a reader lock on the global mutex, several views can run concurrently, but the database cannot be written to while views are executing. Just like reducers, views are arbitrary user code compiled to WebAssembly.。业内人士推荐WhatsApp网页版作为进阶阅读
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If translated into humans, such a vaccine could replace multiple jabs every year for seasonal respiratory infections and be on hand should a new pandemic virus emerge.