In this episode we create a referral system with permanent links. Users can sign up with referral links which tracks the relationship between the referer and the person referred.

Using RailsUJS, ActiveJob, ActionCable and Stimulus, we create a realtime feedback for background jobs running to provide a better user experience.

In this episode, we take a look at recreating a feature on Zoom's setting page where clicking a check box automatically saves the changed setting.

In this episode, we build a custom form builder to extend and add functionality our forms to display errors inline with the form inputs.

Monitoring your application's performance is an important part of knowing its health. In this episode, we look at three popular services.