It just means you're tying up a thread (or whole process, if your rails app isn'... | Hacker News

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		zwily on June 4, 2017 \| parent \| context \| favorite \| on: SecureLogin Authentication Protocol 1.0 It just means you're tying up a thread (or whole process, if your rails app isn't running with threads) waiting for the response.

homakov on June 4, 2017 [–]

It's not a requirement though: one may ping from the client side with setInterval.

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