Root cause: the previous MemoryPack-based snapshot/journal path crashed under AOT in our runtime scenario.
The first problem is wasted work again. If cell A1 references B8, and cell A2 also references B8, then when we update all the cells, we still only want to evaluate B8 once, and then reference it in both A1 and A2. We can do this through caching — whenever we calculate a cell’s value, we store it somewhere, and then all future cell references can used the stored value instead of recalculating.
。新收录的资料对此有专业解读
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browsers/OSes keep root CA certs in a certificate store
。PDF资料是该领域的重要参考
區內部分國家，包括伊拉克及約旦，亦已關閉領空。阿聯酋國家媒體報道稱，當局已「部分及暫時」關閉領空，以作預防措施。
Tkachuk expresses regret over Trump joke，详情可参考新收录的资料