Day: April 9, 2010

Coder’s Vocab #1 : Idempotent

In programming, the term idempotent describes a method that can be called multiple times without changing the result. Sometimes it can be a symptom of madness or incompetence – I’ve seen code where a save() method was called repeatedly "just in case."  Besides scratching the itch of the insane among us, idempotent routines are important. […]

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