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What do you mean by Idempotent?
Last Updated: 27th May, 2020
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Beside this, what does it mean to be Idempotent?
Idempotence, in programming and mathematics,is a property of some operations such that no matter howmany times you execute them, you achieve the same result. As such,a POST request should change the result and thatmeans it's not idempotent.
Likewise, what is Idempotent rest example? Idempotent REST APIs. In the context ofREST APIs, when making multiple identical requests has thesame effect as making a single request – then thatREST API is called idempotent. For example, inarithmetic, adding zero to a number is idempotentoperation.
Hereof, what is an idempotent function?
In computing, an idempotent operation is one thathas no additional effect if it is called more than once with thesame input parameters. For example, removing an item from a set canbe considered an idempotent operation on the set. Inmathematics, an idempotent operation is one where f(f(x)) =f(x).
How put method is idempotent?
One of the important aspects of REST (or at least HTTP)is the concept that some operations (verbs) are idempotent.As Gregor Roth said several years ago: The PUT method isidempotent. An idempotent method means that the resultof a successful performed request is independent of the number oftimes it is executed.