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  2. Heap's algorithm - Wikipedia

    en.wikipedia.org/wiki/Heap's_algorithm

    Claim: If array A has length n, then permutations(n, A) will result in either A being unchanged, if n is odd, or, if n is even, then A is rotated to the right by 1 (last element shifted in front of other elements). Base: If array A has length 1, then permutations(1, A) will output A and stop, so A is unchanged. Since 1 is odd, this is what was ...

  3. Web colors - Wikipedia

    en.wikipedia.org/wiki/Web_colors

    In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits. Thus, there are 24 bits used to specify a web color within the sRGB gamut, and 16,777,216 colors that may be so specified.

  4. HTML attribute - Wikipedia

    en.wikipedia.org/wiki/HTML_attribute

    Where element names the HTML element type, and attribute is the name of the attribute, set to the provided value. The value may be enclosed in single or double quotes, although values consisting of certain characters can be left unquoted in HTML (but not XHTML). [2] [3] Leaving attribute values unquoted is considered unsafe. [4]

  5. List of colors (alphabetical) - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_(alphabetical)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...

  6. Dynamic HTML - Wikipedia

    en.wikipedia.org/wiki/Dynamic_HTML

    Dynamic HTML, or DHTML, is a term which was used by some browser vendors to describe the combination of HTML, style sheets and client-side scripts (JavaScript, VBScript, or any other supported scripts) that enabled the creation of interactive and animated documents.

  7. Namespace - Wikipedia

    en.wikipedia.org/wiki/Namespace

    As an analogy, consider a system of naming of people where each person has a given name, as well as a family name shared with their relatives. If the first names of family members are unique only within each family, then each person can be uniquely identified by the combination of first name and family name; there is only one Jane Doe, though ...

  8. Alpha compositing - Wikipedia

    en.wikipedia.org/wiki/Alpha_compositing

    In a 2D image a color combination is stored for each picture element (pixel), often a combination of red, green and blue ().When alpha compositing is in use, each pixel has an additional numeric value stored in its alpha channel, with a value ranging from 0 to 1.

  9. HTML element - Wikipedia

    en.wikipedia.org/wiki/HTML_element

    Informally, HTML elements are sometimes referred to as "tags" (an example of synecdoche), though many prefer the term tag strictly in reference to the markup delimiting the start and end of an element. Element (and attribute) names may be written in any combination of upper or lower case in HTML, but must be in lower case in XHTML. [8]