I m looking for a gem for Rails that helps to monitor the performance of a platform. It needs to be able to monitor key performance indicators of the platform. Stuff like the number of users gained each day, the number of users that left the platform. I found the library of Sevos that looks quite nice, but it leaves me wondering if there are other tools that can easily be integrated with active_admin. With a more graphic way of showing the performance of the platform.
collection_select and select Rails helpers: Which one should I use? I can t see a difference in both ways. Both helpers take a collection and generates options tags inside a select tag. Is there a ...