实践、认识、再实践、再认识，步履不停，求索不止。
Mathematically proving that a merge function has all these properties might sound hard. But luckily, we don’t have to do that! Instead, we can just combine CRDTs that already exist, leaning on the fact that someone has proven these things for us.
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CREATE INDEX products_created_at_idx
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08