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  2. Help:Cite errors/Cite error references duplicate key - Wikipedia

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    Names for footnotes and groups must follow these rules: Names are case-sensitive. Please do not use raNdOM capitalization. Names must not be purely numeric; the software will accept something like ":31337" (which is punctuation plus a number), but it will ignore "31337" (purely numeric).

  3. Duplicate code - Wikipedia

    en.wikipedia.org/wiki/Duplicate_code

    In computer programming, duplicate code is a sequence of source code that occurs more than once, either within a program or across different programs owned or maintained by the same entity. Duplicate code is generally considered undesirable for a number of reasons. [ 1 ]

  4. Don't repeat yourself - Wikipedia

    en.wikipedia.org/wiki/Don't_repeat_yourself

    "Don't repeat yourself" (DRY), also known as "duplication is evil", is a principle of software development aimed at reducing repetition of information which is likely to change, replacing it with abstractions that are less likely to change, or using data normalization which avoids redundancy in the first place.

  5. Surrogate key - Wikipedia

    en.wikipedia.org/wiki/Surrogate_key

    A surrogate key (or synthetic key, pseudokey, entity identifier, factless key, or technical key [citation needed]) in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data, unlike a natural (or business) key. [1]

  6. Fix problems reading or receiving AOL Mail

    help.aol.com/articles/fix-problems-reading-or...

    If you're having problems reading and retrieving your AOL Mail, the following troubleshooting steps: Use AOL Basic Mail. AOL Basic Mail gives you a way to see your emails in a simpler layout.

  7. US in negotiations with Taliban to swap Americans in ...

    www.aol.com/news/us-negotiations-taliban-swap...

    The Biden administration reportedly has been negotiating with the Taliban to swap three Americans being held in Afghanistan for a Guantanamo Bay prisoner.

  8. Key duplication - Wikipedia

    en.wikipedia.org/wiki/Key_duplication

    A "do not duplicate" key (or DND key, for short) is one that has been stamped "do not duplicate", "duplication prohibited" or similar by a locksmith or manufacturer as a passive deterrent to discourage a retail key cutting service from duplicating a key without authorization or without contacting the locksmith or manufacturer who originally cut ...

  9. Scientists Say Walking This Much Could Add 11 Years to Your Life

    www.aol.com/scientists-walking-much-could-add...

    The key is consistency: Every step counts toward a healthier, longer life, he explains. You Might Also Like. 67 Best Gifts for Women That'll Make Her Smile. The Best Pillows for Every Type of Sleeper.

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