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  2. Help:Conditional expressions - Wikipedia

    en.wikipedia.org/wiki/Help:Conditional_expressions

    Undefined parameter values are tricky: if the first positional parameter was not defined in the template call, then {{{1}}} will evaluate to the literal string "{{{1}}}" (i.e., the 7-character string containing three sets of curly braces around the number 1), which is a true value. (This problem exists for both named and positional parameters.)

  3. Post correspondence problem - Wikipedia

    en.wikipedia.org/wiki/Post_correspondence_problem

    This variant is easily decidable since, when some solutions exist, in particular a length-one solution exists. More interesting is the Regular Post Embedding Problem, a further variant where one looks for solutions that belong to a given regular language (submitted, e.g., under the form of a regular expression on the set {, …,}). The Regular ...

  4. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    According to the United States Postal Service, an address is valid (or mailable) if it is CASS-certified, meaning that it exists within the comprehensive list of mailable addresses in their Address Management System. This is different from the credit card Address Verification System (AVS), which is the method used by credit card processors to ...

  5. POST (HTTP) - Wikipedia

    en.wikipedia.org/wiki/POST_(HTTP)

    In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. [1] It is often used when uploading a file or when submitting a completed web form.

  6. AOL Mail Help - AOL Help

    help.aol.com/products/new-aol-mail

    You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features. That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered.

  7. Query string - Wikipedia

    en.wikipedia.org/wiki/Query_string

    A query string is a part of a uniform resource locator (URL) that assigns values to specified parameters. A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.

  8. FACT CHECK: Facebook Post Makes False Claim About ... - AOL

    www.aol.com/fact-check-facebook-post-makes...

    Fact Check: Former President Trump won the swing state of Nevada, a state he lost. A viral post shared on Facebook claims ballots do not need to be postmarked in order to be counted in Nevada ...

  9. Scams hide behind viral posts, like a so-called missing child ...

    www.aol.com/scams-hide-behind-viral-posts...

    Scammers use posts of lost dogs or cats to trick Facebook users into sharing posts. Then, consumer watchdogs say, the scammers edit the post to promote fake deals on rentals or other scams.