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  2. ISO 9564 - Wikipedia

    en.wikipedia.org/wiki/ISO_9564

    The plain text PIN field is: one nibble with the value of 0, which identifies this as a format 0 block; one nibble encoding the length N of the PIN; N nibbles, each encoding one PIN digit; 14−N nibbles, each holding the "fill" value 15 (i.e. 1111 2) The account number field is: four nibbles with the value of zero

  3. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.

  4. Sign function - Wikipedia

    en.wikipedia.org/wiki/Sign_function

    Everywhere except zero, the resulting subdifferential consists of a single value, equal to the value of the sign function. In contrast, there are many subderivatives at zero, with just one of them taking the value sgn ⁡ ( 0 ) = 0 {\displaystyle \operatorname {sgn}(0)=0} .

  5. Ternary conditional operator - Wikipedia

    en.wikipedia.org/wiki/Ternary_conditional_operator

    The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...

  6. Use Face, Fingerprint or PIN to sign in to AOL

    help.aol.com/articles/use-face-fingerprint-or...

    The option to enable biometrics as a sign-in method may not yet be available for you. If you see the option to enable it when you sign in, follow the prompts to complete the process.

  7. Security token - Wikipedia

    en.wikipedia.org/wiki/Security_token

    Time-synchronized, one-time passwords change constantly at a set time interval; e.g., once per minute. To do this, some sort of synchronization must exist between the client's token and the authentication server. For disconnected tokens, this time-synchronization is done before the token is distributed to the client.

  8. Conditional (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Conditional_(computer...

    The above example takes the conditional of Math.random() < 0.5 which outputs true if a random float value between 0 and 1 is greater than 0.5. The statement uses it to randomly choose between outputting You got Heads! or You got Tails! to the console. Else and else-if statements can also be chained after the curly bracket of the statement ...

  9. Need another balance transfer? Don’t feel ashamed - AOL

    www.aol.com/finance/another-balance-transfer-don...

    In this case, another balance transfer could help you buy more time, as the best balance transfer cards offer up to 21 months interest-free. There’s no shame in taking advantage of the financial ...