Refreshing main dataframe when page is reloaded

[Emil]

You can do both. If you want to save the data for some time before querying the again, you would need to do some kind of caching, either client side using Dash components (e.g Store) or server side. For the latter, you could try out a decorator I recently wrote,

How to increase speed in sharing complex python instance during callbacks

Ah, yes. In my first take at the implementation, the cached callbacks didn’t support cached inputs. This should be fixed now (0.0.19rc4). If you update to this version, the following filtering example should work, import dash import dash_core_components as dcc import dash_html_components as html import time import plotly from dash.dependencies import Output, Input from dash_extensions.callback import CallbackCache, DiskCache data_sets = ["gapminder", "tips", "iris", "wind", "election"] # Crea…