Slide 9
Slide 9 text
Talks I enjoyed (4/4)
GraphQL talk
phoenix
gauge(:active_users, every: {5, :minutes}),
def active_users(_state) do
count =
Repo.one(from u in User,
select: count(u.id),
where: u.last_request_at >= ago(5, "minute"))
{:ok, count, state}
end
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