enough of a head start they'd be wasting their time.
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The first two requirements (“Efficient” and “Fine-grained”) are important for performance. Imagine a large spreadsheet with millions of cells containing formulas — it would be a huge waste of resources to recalculate every single cell, every time any input changes. Similarly, you don’t want to calculate the value of a cell multiple times if you can help it. In general, we want to do the minimum amount of work possible.
Число пострадавших при ударе ракетами Storm Shadow по российскому городу резко выросло20:46，详情可参考WhatsApp Web 網頁版登入