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Nesting tables may be the most appropriate method where cells of the parent table are to be subdivided with uneven internal row or column breaks. Note that each table must begin on a new line. In the following example, nested tables are used to display sub-tables of varying cell heights:
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List items should be formatted consistently in a list. Unless there is a good reason to use different list types in the same page, consistency throughout an article is also desirable. Use sentence case by default for list items, whether they are complete sentences or not. Sentence case is used for around 99% of lists on Wikipedia.
Make an ordered list. The default is a numbered list, but you can change it to a list with roman numbers or letters of the English, Greek, Armenian or Georgian alphabets, instead of the decimal enumerator. Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status First item to list 1 no description Unknown required Second ...
For simplicity, list items in pure wiki markup cannot be more complex than a basic paragraph. A line break in the wikimarkup of a list item will end not just the item but the entire list, and reset the counter on ordered lists.
Lucene uses skip lists to search delta-encoded posting lists in logarithmic time. [citation needed] The "QMap" key/value dictionary (up to Qt 4) template class of Qt is implemented with skip lists. [13] Redis, an ANSI-C open-source persistent key/value store for Posix systems, uses skip lists in its implementation of ordered sets. [14]
A nested set collection or nested set family is a collection of sets that consists of chains of subsets forming a hierarchical structure, like Russian dolls. It is used as reference concept in scientific hierarchy definitions, and many technical approaches, like the tree in computational data structures or nested set model of relational databases .
A set equipped with a total order is a totally ordered set; [5] the terms simply ordered set, [2] linearly ordered set, [3] [5] toset [6] and loset [7] [8] are also used. The term chain is sometimes defined as a synonym of totally ordered set , [ 5 ] but generally refers to a totally ordered subset of a given partially ordered set.