luhn
What's wrong with my Luhn algorithm code?
I\'m trying to use this code to test if a sample code is a valid credit card number or not (using the Luhn algorithm) in Java. Where did I go wrong? It takes in an array of 16 one-digit numbers. Any h[详细]
2023-04-11 23:39 分类：问答Chunk a string every odd and even position
I know nothing about javascript. Assuming the string \"3005600008000\", I need to find a way to multiply all the digits in the odd numbered positions by 2 and the digits in the even numbered positio[详细]
2023-03-14 10:43 分类：问答difficult insert
I am using mysql/php. my table looks like id (int autoincrement) voucher(varchar 25) 开发者_如何学JAVAI am generating voucher codes where the code is:[详细]
2023-03-05 11:32 分类：问答Identify card type from card number [duplicate]
This question already has answers here开发者_JS百科: How do you detect Credit card type based on number?[详细]
2023-03-03 02:59 分类：问答JavaScript card PAN check digit Luhn verification
I\'ve used the code from the link below to try and validate a credit card, however I\'m not getting an alert when I submit a the wrong data in the field.[详细]
2023-03-02 17:45 分类：问答Luhn check digit [closed]
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. For help clari[详细]
2023-01-05 00:19 分类：问答2022考研政治必考10大时政热点？
2022年考研时间安排在12月25日至26日，12月27日安排少数3小时以上或有画板等特殊要求的考试科目。网上报名时间为10月5日至10月25日。[详细]
2022-12-19 20:49 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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