- undefined value
Англо-русский словарь промышленной и научной лексики. 2014.
undefined value
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Undefined variable — An undefined variable in the source code of a computer program is a variable that is accessed in the code but has not been previously declared by that code.In some programming languages an implicit declaration is provided the first time such a… … Wikipedia
undefined — adjective a) Lacking a definition or value b) That does not have a meaning and is thus not assigned an interpretation (for example, division by zero) Ant: defined … Wiktionary
Defined and undefined — In mathematics, defined and undefined are used to explain whether or not expressions have meaningful, sensible, and unambiguous values. Not all branches of mathematics come to the same conclusion.Examples and workaroundsThe following expressions… … Wikipedia
Absolute value — For the philosophical term, see Value (ethics). For the Akrobatik album, see Absolute Value (album). In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example,… … Wikipedia
Chess piece relative value — … Wikipedia
JavaScript syntax — This article is part of the JavaScript series. JavaScript JavaScript syntax JavaScript topics This box: view · … Wikipedia
Pointer (computing) — This article is about the programming data type. For the input interface (for example a computer mouse), see Pointing device. Pointer a pointing to the memory address associated with variable b. Note that in this particular diagram, the computing … Wikipedia
Expression (mathematics) — In mathematics, an expression is a finite combination of symbols that is well formed according to rules that depend on the context. Symbols can designate numbers (constants), variables, operations, functions, and other mathematical symbols, as… … Wikipedia
Printf — The class of printf functions (which stands for print formatted ) is a class of functions, typically associated with curly bracket programming languages, that accept a string parameter (called the format string) which specifies a method for… … Wikipedia
ALGOL 68 — Infobox programming language name = ALGOL 68 paradigm = multi paradigm: concurrent bull; imperative year = 1968, last revised 1973 designer = A. van Wijngaarden, B.J. Mailloux, J.E.L. Peck and C.H.A. Koster, et al. developer = latest release… … Wikipedia
Null Object pattern — Null object redirects here. For the concept in category theory, see Initial object. In object oriented computer programming, a Null Object is an object with defined neutral ( null ) behavior. The Null Object design pattern describes the uses of… … Wikipedia
