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Dependency (computer science) or coupling, a state in which one object uses a function of another object; Data dependency, which describes a dependence relation between statements in a program; Dependence analysis, in compiler theory; Dependency (UML), a relationship between one element in the Unified Modeling Language
In a project network, a dependency is a link among a project's terminal elements. [citation needed]The A Guide to the Project Management Body of Knowledge (PMBOK Guide) does not define the term dependency, but refers for this term to a logical relationship, which in turn is defined as dependency between two activities, or between an activity and a milestone.
Modern practices, such as dependency injection and interface-based programming, are often employed to reduce coupling strength and improve the maintainability of dependencies. [ 9 ] [ 10 ] [ 11 ] While coupling identifies what is shared between components, connascence evaluates how those dependencies behave, how changes propagate, and how ...
Path dependence is a concept in the social sciences, referring to processes where past events or decisions constrain later events or decisions. [1] [2] It can be used to refer to outcomes at a single point in time or to long-run equilibria of a process. [3]
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.
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".
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]
Most dependencies have the head preceding its dependent(s), although there are also head-final dependencies in the tree. For instance, the determiner-noun and adjective-noun dependencies are head-final as well as the subject-verb dependencies. Most other dependencies in English are, however, head-initial as the tree shows.