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  2. cURL - Wikipedia

    en.wikipedia.org/wiki/CURL

    curl was first released in 1996. [9] It was originally named httpget and then became urlget before adopting the current name of curl [10] [11] The original author and lead developer is the Swedish developer Daniel Stenberg, who created curl because he wanted to automate the fetching of currency exchange rates for IRC users.

  3. Curl (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Curl_(mathematics)

    Interchanging the vector field v and ∇ operator, we arrive at the cross product of a vector field with curl of a vector field: = () , where ∇ F is the Feynman subscript notation, which considers only the variation due to the vector field F (i.e., in this case, v is treated as being constant in space). Another example is the curl of a curl ...

  4. Persistent uniform resource locator - Wikipedia

    en.wikipedia.org/wiki/Persistent_uniform...

    PURLs allow third party control over both URL resolution and resource metadata provision. A URL is simply an address of a resource on the World Wide Web. A Persistent URL is an address on the World Wide Web that causes a redirection to another Web resource. If a Web resource changes location (and hence URL), a PURL pointing to it can be updated.

  5. URL - Wikipedia

    en.wikipedia.org/wiki/URL

    A uniform resource locator (URL), colloquially known as an address on the Web, [1] is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), [ 2 ] [ 3 ] although many people use the two terms interchangeably.

  6. Vector calculus identities - Wikipedia

    en.wikipedia.org/wiki/Vector_calculus_identities

    C: curl, G: gradient, L: Laplacian, CC: curl of curl. Each arrow is labeled with the result of an identity, specifically, the result of applying the operator at the arrow's tail to the operator at its head. The blue circle in the middle means curl of curl exists, whereas the other two red circles (dashed) mean that DD and GG do not exist.

  7. The Coldest and Warmest Cities in Each State

    www.aol.com/coldest-warmest-cities-state...

    Going to Extremes. If you're looking for a warm getaway this winter, chances are you might first look to Florida or Texas. But the U.S. is a big place, and there's a lot of variation in ...

  8. URI normalization - Wikipedia

    en.wikipedia.org/wiki/URI_normalization

    Types of URI normalization. URI normalization is the process by which URIs are modified and standardized in a consistent manner. The goal of the normalization process is to transform a URI into a normalized URI so it is possible to determine if two syntactically different URIs may be equivalent.

  9. The 7 best gray hair treatments of 2025, according to hair ...

    www.aol.com/lifestyle/best-gray-hair-treatments...

    This is a a great option for fine hair, according to Collins, who explains that fine gray hairs can appear limp and lack volume. Gray hairs that differ in texture from the rest are even more ...