Rather than fully removing the key from the map, we set the register value to null. The metadata is kept around so we can disambiguate deletions from states that simply don’t have a key yet. These are called tombstones — the ghosts of CRDTs past.
There’s a Fundamental Flaw in How Marketers Plan Their Year — Here’s the Framework That Fixes It
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The first six babies in the trial were monitored closely from surgery through birth. Researchers reported:
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