Is it really hard for anyone in 2014 to get the type of a card from the first 2 ... | Hacker News

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		ii on Jan 31, 2014 \| parent \| context \| favorite \| on: Why do credit card forms ask for Visa, Mastercard,... Is it really hard for anyone in 2014 to get the type of a card from the first 2 digits of a card number and add a field to an INSERT query?

ahallock on Jan 31, 2014 [–]

It's not difficult, but quite a few developers I've worked with were unaware of that algorithm, which is one reason I think they pushed it into the UI.

ii on Feb 2, 2014 | [–]

All developers I know of, including myself, do have this unawareness of simple things, but I prefer to call it for what it is: simple human laziness.

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