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The #ifexist function selects one of two alternatives depending on whether a page exists at the specified title. {{#ifexist: page title | value if page exists | value if page doesn't exist }} The page can be in any namespace , so it can be an article or "content page", an image or other media file, a category, etc.
To aid the readability of a spreadsheet, cell formatting may be conditionally applied to data; for example, a negative number may be displayed in red. A cell's formatting does not typically affect its content and depending on how cells are referenced or copied to other worksheets or applications, the formatting may not be carried with the content.
Whitespace line feed and character tabulation in cell formula expressions are now preserved and survive round-tripping between Office Open XML and ODF file formats. New "Evaluate formulas" option in the CSV Import and Paste Special and Text to Column dialog. Bash like autocompletion for Calc autoinput was implemented.
Existential introduction (∃I) concludes that, if the propositional function is known to be true for a particular element of the domain of discourse, then it must be true that there exists an element for which the proposition function is true. Symbolically,
The partial function computed by the algorithm represented by a string a is denoted F a. This proof proceeds by reductio ad absurdum : we assume that there is a non-trivial property that is decided by an algorithm, and then show that it follows that we can decide the halting problem , which is not possible, and therefore a contradiction.
An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design.
Therefore, the index returned in the partition function isn't necessarily where the actual pivot is. Consider the example of [5, 2, 3, 1, 0] , following the scheme, after the first partition the array becomes [0, 2, 1, 3, 5] , the "index" returned is 2, which is the number 1, when the real pivot, the one we chose to start the partition with was ...
Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.