data element datatype

  • 21Enumerated type — In computer programming, an enumerated type is a data type (usually user defined) consisting of a set of named constants called enumerators . The act of creating an enumerated type defines an enumeration. When an identifier such as a variable is… …

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  • 22Generic programming — is a style of computer programming in which algorithms are written in terms of to be specified later types that are then instantiated when needed for specific types provided as parameters and was pioneered by Ada which appeared in 1983. This… …

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  • 23Format-preserving encryption — In cryptography, format preserving encryption (FPE) refers to encrypting in such a way that the output (the ciphertext) is in the same format as the input (the plaintext). The meaning of format varies. Typically only finite domains are discussed …

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  • 24XML — Infobox file format name = Extensible Markup Language icon = logo = extension = .xml mime = application/xml, text/xml (deprecated) type code = uniform type = public.xml magic = owner = World Wide Web Consortium genre = Markup language container… …

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  • 25XML Schema (W3C) — dablink|This article is about the W3C s XML Schema language. For information about XML schema languages in general, see XML schemainfobox file format name = XML Schema (W3C) extension = .xsd mime = application/xml, text/xml owner = [http://www.w3 …

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  • 26Tagged union — In computer science, a tagged union, also called a variant, variant record, discriminated union , or disjoint union, is a data structure used to hold a value that could take on several different, but fixed types. Only one of the types can be in… …

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  • 27Denotational semantics — In computer science, denotational semantics (initially known as mathematical semantics or Scott–Strachey semantics) is an approach to formalizing the meanings of programming languages by constructing mathematical objects (called denotations)… …

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  • 28C (programming language) — C The C Programming Language[1] (aka K R ) is the seminal book on C …

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  • 29Fold (higher-order function) — In functional programming, fold, also known variously as reduce, accumulate, compress or inject, is a family of higher order functions that process a data structure in some order and build up a return value. Typically, a fold deals with two… …

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  • 30Entity–attribute–value model — (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In… …

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