What is the difference between idempotence and non-idempotence?
Idempotence refers to operations that can be applied multiple times without changing the result beyond the initial application. Non-idempotence, on the other hand, means that repeated applications of the operation can yield different results.
Can you give me an example of an idempotent operation?
Sure! An example of an idempotent operation is setting a user's email address. If you set it to '[email protected]' multiple times, the result remains the same.
What about a non-idempotent operation?
A classic example of a non-idempotent operation is adding an item to a shopping cart. Each time you add the same item, the quantity increases.
Why is idempotence important in APIs?
Idempotence is crucial in APIs to ensure that repeated requests do not cause unintended side effects, making systems more reliable.
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