credit-card

I have come across a bug on a website I am working on with the credit card autofill iOS offers. I cannot offer a working example of this is as it requires a genuine SSL certificate in order for the autofill to appear on an iOS keyboard however I can actually get this to occur on Amazon's checkout too. In essence the issue is that after having been offered to autofill having focused on any credit card enabled input it looks like all drop down input keyboards will also offer to autofill your credit card. This happens even after a page refresh and even across different domains. All dropdowns will

I am using card.io_ios_sdk_3.8.0 , I followed exactly what is mentioned in https://github.com/card-io/card.io-iOS-SDK . I am unable to scan credit or debit cards (VISA , Discover, etc). I get "NSScanner: nil string argument". I know I am making a mistake but I don't know how to track that. Is there any country based? - (IBAction)scanCard:(id)sender { CardIOPaymentViewController *scanViewController = [[CardIOPaymentViewController alloc] initWithPaymentDelegate:self]; scanViewController.appToken = @"<I have entered my app token>"; // get your app token from the card.io website [self

.NET 4.5 includes a new validation attribute named as CreditCardAttribute and this attribute specifies that a data field value is a credit card number. When I decompile the assembly which contains this class, I can see the following code for the credit card number validation: public override bool IsValid(object value) { if (value == null) { return true; } string text = value as string; if (text == null) { return false; } text = text.Replace("-", ""); text = text.Replace(" ", ""); int num = 0; bool flag = false; foreach (char current in text.Reverse<char>()) { if (current < '0' || current > '9'

I have an input field on a webpage that contains a credit-card number. What is the best way of preventing the browser from caching this value? Any solution needs to work on a large selection of browsers. Put attribute autocomplete="off" to your html form. E.g. <form name="form1" id="form1" method="post" autocomplete="off" action="http://www.example.com/form.cgi"> [...] </form> See this page . <asp:TextBox Runat="server" ID="Textbox1" autocomplete="off"></asp:TextBox> 来源： https://stackoverflow.com/questions/2715171/how-to-prevent-the-credit-card-number-field-being-cached-by-the-browser