Found e.g. in pg_class.h of Postgres source code:
/* # of blocks (not always up-to-date) */
int32 relpages BKI_DEFAULT(0);
What does the "#" symbol mean (e.g. in "# of blocks")
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1 Answers
In this context, # means "number of".
# also meant "pounds", the measure of weight, so long ago you might see see "32# flour" on a bill of sale. This is why you'll often hear of # being called the "pound sign", which is not the same as the British pound sign, £.
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