4,562 questions
3
votes
2
answers
97
views
How to add a "Copy to Clipboard" button for a Dash DataTable in Python?
I'm building a Dash app in Python and trying to add a button that lets the user copy the table content to the clipboard so they can paste it into Excel.
The table displays correctly, but when I click ...
2
votes
0
answers
61
views
Flexbox in Dash dbc.Tabs
I am trying to place a dcc.Graph in a dbc.Tab. The plot is supposed to go to the bottom of the screen, so I tried to use a flexbox. My attempt at that looks like this:
from dash import dcc, html, Dash
...
0
votes
0
answers
95
views
Asynchronous dash endpoints causing nested async event loop failure in Flask server [closed]
Here is the problem:
I have a Flask application hosting several Dash apps. All the code is synchronous - there are no asynchronous callbacks defined, and no asynchronous functions defined/used ...
1
vote
0
answers
110
views
Plotly - add dropdown list or buttons to OHLC / Candlestick graph
I have the following dataframe:
lst = [['10/01/2025 8:30:00', 2.74, 2.87, 2.60, 2.65, 14, 'SPXW251001P06590000', 'P', 6590],
['10/01/2025 8:31:00', 2.80, 2.80, 2.50, 2.53, 61, '...
5
votes
1
answer
67
views
DateTimePicker doesn't work withDropdown while inside modal
I have a large application that is written in Dash with Dash Bootstrap Components (dbc). The problem is that dbc only has datepickers not datetimepickers, so I looked to Dash Mantine Components (dmc) ...
3
votes
1
answer
139
views
Plotly changes font size in 3D plot when updating via Dash
I am trying to create a 3D plot with plotly. In the plotting area, I want a grid of floating text annotations.
This is my MWE:
import plotly.graph_objs as go
import dash
from dash import html, dcc, ...
1
vote
1
answer
130
views
Subplot spacing with scaleanchor and constrain in plotly
I am trying to create a figure with three subplots. The bottom left subplot is supposed to be a 2D histogram with projections on the top and right sides.
The 2D histogram is supposed to be square (...
1
vote
1
answer
77
views
Why is Dash ignoring the HOST environment variable?
I have this minimal Dash app:
import os
import dash
from dash import html
app = dash.Dash(__name__)
app.layout = html.Div("Hello Dash!")
print(f'{os.environ["HOST"]=}')
app.run(...
0
votes
0
answers
44
views
How can I Properly Get Around Competing PORT Connections to Gather SQL Data?
I have one plotly-dash file, which collects data from a database that two other files are publishing to, one that collects data on power and the other on current. The two data collection files use ...
1
vote
1
answer
125
views
Change property of GeoJSON by clicking on a Map using Dash and Leaflet
Currently my code looks like this:
import dash
from dash import Output, Input, State, html, no_update
import dash_leaflet as dl
import osmnx as ox
import json
from numpy import dtype
# Style-Funktion ...
1
vote
0
answers
46
views
Sensor script using DASH for User interface
Im working on a project at work that requires a UI for the machine operator to input required fields. The issue im having is trying to get the serial output to effect the blocks(Lowercase) input from ...
2
votes
0
answers
55
views
Plotly dashboard logout after refreshing page
I'm trying to make a Dashboard with Login, Register and Dashboard with Navbar and Tabs. With below code everything working well but I have a problem that if I refreshed page, Dashboard will return to ...
1
vote
2
answers
59
views
How to call a different set of inputs based on the drop-down option selected in dash?
I am building an image-processing app in dash, where the user uploads an image, selects a smoothing filter and then chooses between k-means clustering and thresholding to identify the foreground ...
1
vote
0
answers
45
views
Dash / Plotly: 3D camera resets on every update on mobile (Android/iOS)
I'm developping a Dash app with a 3D plot (dcc.Graph + plotly.graph_objs) that includes interactive features like cube overlays and filtering. The 3D scene works well on desktop — but on mobile (...
1
vote
1
answer
55
views
How to make sure the browser can interpret a url through dcc.Location
I am passing a string to the pathname property of a dcc.Location component in a callback function of my dash app.
The string is structured like path?query1=test.
When it actually runs, the ? gets url ...