Shiny Dashboard - display a dedicated “loading..” page until initial loading of the data is done
问题 I have initial loading of data from the DB in the server.R which takes a few seconds. Until this is done, the page displayed is distorted (wrong data in selection box, and weird placing of the boxes, see below). I want to display a different page (or at least different content in my first-displayed tab) until the data is completely loaded. I thought about doing some kind of conditionalPanel using a condition based on a dedicated global variable (initial_loading_done), but wherever I tried