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How Rails Flash Survives One Redirect

by Syed Aslam —

Rails flash messages are request-to-request state, not view-level notices. This article traces how flash, flash.now, flash.keep, and flash.discard work through the session, and why messages leak, disappear, or bloat CookieStore sessions.

URL: https://railsrevelry.substack.com/p/how-rails-flash-survives-one-redirect?r=4jsb

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