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Undefined value

In computing (particularly, in programming), undefined value is a condition where an expression in a programming language does not have a semantically correct value in the language, even though it is syntactically correct. An undefined value must not be confused with empty string, Boolean "false" or other "empty" (but defined) values. Depending on…

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Undefined value

Nodes68
Edges67
Triples36
Avg. degree1.97
Density0.029412
Components1

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Undefined value

Top relations

related to Reserved value · 14
Undefined value → Examples, I/O, In, Many, Most Unix, Some, Structured Query Language, The, The ASCII, The IEEE, The Perl, Thegetchar, There, This
related to Non-returning functions · 6
Undefined value → Examples, For, From, Functions, Such, This
related to Undefined behaviour · 5
Undefined value → All, At, That, The, There
related to Undefined value sensu stricto · 5
Undefined value → For, If, Not, The, Undefined
is a · 2
Undefined value → condition where an expression in a programming language does not have a semantically correct value in the language, superficially valid

Important terminology Word statistics

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Important terminology

undefined value values languages function example behaviour programming defined handling null number return language exception functions program pointer special computation

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Undefined valueis acondition where an expression in a programming language does not have a semantically correct value in the language0.90text
Undefined valueis asuperficially valid0.90text
division by zeroinstance ofThis include numerous arithmetical cases0.80text
square root or logarithm of a negative number etcinstance ofThis include numerous arithmetical cases0.80text
C do not attempt to validate pointers before dereferencing theminstance ofcomputer hardware and low-level languages0.80text
instead passing responsibility to the programmerinstance ofcomputer hardware and low-level languages0.80text
Undefined valuerelated to Non-returning functionsSuch0.60section
Undefined valuerelated to Non-returning functionsExamples0.60section
Undefined valuerelated to Non-returning functionsFunctions0.60section
Undefined valuerelated to Non-returning functionsThis0.60section
Undefined valuerelated to Non-returning functionsFor0.60section
Undefined valuerelated to Non-returning functionsFrom0.60section

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    Min side: 3
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