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Dependency (UML), a relationship between one element in the Unified Modeling Language; Dependency relation, a type of binary relation in mathematics and computer science. Functional dependency, a relationship between database attributes allowing normalization. Dependent type, in computer science and logic, a type that depends on a value
In mathematics, a function is a rule for taking an input (in the simplest case, a number or set of numbers) [5] and providing an output (which may also be a number). [5] A symbol that stands for an arbitrary input is called an independent variable, while a symbol that stands for an arbitrary output is called a dependent variable. [6]
In software engineering, dependency injection is a programming technique in which an object or function receives other objects or functions that it requires, as opposed to creating them internally. Dependency injection aims to separate the concerns of constructing objects and using them, leading to loosely coupled programs.
An anti-dependency occurs when an instruction requires a value that is later updated. A violation of an anti-dependency leads to a write-after-read (WAR) hazard.. In the following example, instruction 2 anti-depends on instruction 3 — the ordering of these instructions cannot be changed, nor can they be executed in parallel (possibly changing the instruction ordering), as this would affect ...
Dependency theory is the idea that resources flow from a "periphery" of poor and exploited states to a "core" of wealthy states, enriching the latter at the expense of the former. A central contention of dependency theory is that poor states are impoverished and rich ones enriched by the way poor states are integrated into the "world system".
7 Output dependency example is just optimized anti-dependency example. 1 comment. 8 Are dependence and dependency synonyms? 1 comment. 9 Relational Database Model.
(Dependency injection is an example of the separate, specific idea of "inverting control over the implementations of dependencies" popularised by Java frameworks.) [4] Inversion of control is sometimes referred to as the "Hollywood Principle: Don't call us, we'll call you".
Notice also that the lines representing the dependency relations mutually overlap. In linguistics , cross-serial dependencies (also called crossing dependencies by some authors [ 1 ] ) occur when the lines representing the dependency relations between two series of words cross over each other. [ 2 ]