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Re: Locate missing number in a seriesby stevieb (Canon) |
on Apr 21, 2016 at 19:05 UTC ( [id://1161141]=note: print w/replies, xml ) | Need Help?? |
You could put your entire locker list into an array, put the leased lockers that you harvested from the DB into a hash, then generate a new array for locker numbers that have not been leased.
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