Don't rape HTTP: If-(None-)Match & the 412 HTTP status code -- Alessandro Nadalin, forward-thinking technologist

Don't rape HTTP: If-(None-)Match & the 412 HTTP status code — Alessandro Nadalin, forward-thinking technologist

If the Etag of the resource /people/alessandro-nadalin is the same of the server’s one, the PUT updates the user.

But if they don’t match, the server responds with a 412 Precondition Failed status code, which means that the resource is out of date.

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