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Working on a rails project where there\'s an order confirmation string with a credit card number with all but the last four digits starred out. What\'s the prop开发者_如何学Cer way to do a string subs
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We all know that 42 is the answer to everything, but it\'s news to me that it is a valid credit card number.
I\'m trying to validate credit 开发者_如何转开发card numbers with jQuery but i dont want to use the validation plugin , is there any other plugin for doing this? http://en.wikipedia.org/wiki/Luhn_algo
I\'m curious about the reason why all most payment gateway site use clear text input to take security code.
开发者_运维问答 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.
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I know only basic stuff in java. And I need to create a GUI for this type of program. It shows your credit card info. It has some other classes and makes use of the rmiregistry. This works fine in con
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