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  2. Vertical bar - Wikipedia

    en.wikipedia.org/wiki/Vertical_bar

    The double vertical bar, ... this is represented by the vertical bar character. For example: ... In many programming languages, the vertical bar is used to ...

  3. Set-builder notation - Wikipedia

    en.wikipedia.org/wiki/Set-builder_notation

    The vertical bar (or colon) is a separator that can be read as "such that", ... Consider these set-builder notation examples in some programming languages:

  4. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    The {} template is available for braces, as shown in the example above. Likewise, {} encloses its parameter inside vertical bars to help with the pipe character conflicting with template syntax. For a single vertical bar, use {}, and for an equal sign, use {}.

  5. Box-drawing characters - Wikipedia

    en.wikipedia.org/wiki/Box-drawing_characters

    Some OEM DOS computers supported other character sets, for example the Hewlett-Packard HP 110 / HP Portable and HP 110 Plus / HP Portable Plus, where in a modified version of the character set box-drawing characters were added in reserved areas of their normal HP Roman-8 character set.

  6. Backus–Naur form - Wikipedia

    en.wikipedia.org/wiki/Backus–Naur_form

    In the U.S. postal address example above, the entire block-quote is a <syntax>. Each line or unbroken grouping of lines is a rule; for example one rule begins with <name-part> ::=. The other part of that rule (aside from a line-end) is an expression, which consists of two lists separated by a vertical bar |. These two lists consists of some ...

  7. Vertical bar (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Vertical_bar_(disambiguation)

    Vertical bar | or vertical bars ‖ are typographical symbols. They may also refer to: Chōonpu, a character in vertical Japanese writing, ー; Dental click, ǀ; Lateral clicks, a character in African languages, ǁ; parallelism, ∥; parallel operator, also ∥; logical OR, || in several programming languages

  8. Delimiter-separated values - Wikipedia

    en.wikipedia.org/wiki/Delimiter-separated_values

    [2]: 113 [5] The vertical bar (also referred to as pipe) and space are also sometimes used. [2]: 113 Column headers are sometimes included as the first line, and each subsequent line is a row of data. The lines are separated by newlines. For example, the following fields in each record are delimited by commas, and each record by newlines:

  9. Wikipedia:Graphs and charts - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Graphs_and_charts

    The R programming language can be used for creating Wikipedia graphs. The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots ...