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Lazy loading (also known as asynchronous loading) is a technique used in computer programming, especially web design and web development, to defer initialization of an object until it is needed. It can contribute to efficiency in the program's operation if properly and appropriately used.
In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed. It is a kind of lazy evaluation that refers specifically to the instantiation of objects or other resources.
Lazy evaluation is difficult to combine with imperative features such as exception handling and input/output, because the order of operations becomes indeterminate. The opposite of lazy evaluation is eager evaluation, sometimes known as strict evaluation. Eager evaluation is the evaluation strategy employed in most [quantify] programming languages.
It supports most major paradigms [29] in one language so that students can learn paradigms without having to learn multiple syntaxes. Oz contains most of the concepts of the major programming paradigms, including logic, functional (both lazy and eager), imperative, object-oriented, constraint, distributed, and concurrent programming.
A strict programming language is a programming language that only allows strict functions (functions whose parameters must be evaluated completely before they may be called) to be defined by the user. A non-strict programming language allows the user to define non-strict functions, and hence may allow lazy evaluation.
Wolfram Language: No No Static Yes Yes Yes No Yes 1988 Kotlin: No Lazy delegation [78] and Sequence [79] Static Yes No Yes No Yes 2011 Swift: No No Static Yes Yes Yes No Swift uses Automatic Reference Counting, which differs from tracing garbage collection but is designed to provide similar benefits with better performance. 2014 Julia: No No ...
Enter: lazy exercise. Yes, there are ways to incorporate movement and exercise into your life without doing the whole no-pain-no-gain thing, or pushing yourself too far out of your comfort zone ...
Short-circuit evaluation, minimal evaluation, or McCarthy evaluation (after John McCarthy) is the semantics of some Boolean operators in some programming languages in which the second argument is executed or evaluated only if the first argument does not suffice to determine the value of the expression: when the first argument of the AND function evaluates to false, the overall value must be ...