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Editorial Team
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Asked: 2026-05-15T20:45:31+00:00

Is there a way to setup a callback in ROR that would trigger at

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Is there a way to setup a callback in ROR that would trigger at a specific time?

Lets say I’m running a contest that expries at a certain time. Lets say Monday July 28th at 9:00. I’d like to set up an observer that ran a function at Monday July 28th at 9:00. Does rails have a method to do this?

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  1. Editorial Team

    There’s a run_at field in Delayed Job. You have to have a worker process in the background always running and looking for jobs that a set to run, but if your application is doing this a lot, it might be easier than always writing new cron jobs.

    So, you could have a method in your Contest model that gets called in a after_create callback that sets up a delayed job to send out an email to a random winner at the date that’s specified.

    If it’s a one time, or very infrequent deal, though, I’ll agree about using whenever

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