ruby - Real time data Rails- socket -

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since rails 5 shipped action cable real time data transmission, i'm curious know more web sockets in ruby.

i never worked socket in ruby know rails 4+ shipped actionlive real time data use case.

but people using pusher-app real time data rails...

could give brief idea actionlive vs pusher vs upcoming actioncable ? why pusher better actionlive? , how can take advantage that?


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