4 ms·
That's a good rule of thumb there :) More pedantically, credit card numbers _aren't_ numbers in the first place. They are identifiers that happen to use numeric
by dylan-m 7y ago
That's a good rule of thumb there :) More pedantically, credit card numbers _aren't_ numbers in the first place. They are identifiers that happen to use numerical digits. Same as phone numbers. Treating them as numbers at any point in a system is an error. My dream is this detail of the HTML spec forces people to rethink their schema design while they're at it.
- reaperducer 7y agoSee also: New England ZIP Codes, which can cause all kinds of problems.
- velosol 7y agoTo save a search for those who might not know off the top of their head - New England is home to leading zero ZIP codes (e.g. 02122 for Boston).