# \#dash

**URL:** https://discourse.julialang.org/tag/dash/750.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

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## [Dash Julia: data panels for graphical data visualization](https://discourse.julialang.org/t/dash-julia-data-panels-for-graphical-data-visualization/129243)

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**Author:** [@aasdelat](https://discourse.julialang.org/u/aasdelat)\
**Replies:** 6\
**Last updated:** [July 8, 2025, 3:47pm UTC](https://discourse.julialang.org/t/dash-julia-data-panels-for-graphical-data-visualization/129243 "2025-07-08T15:47:23Z")

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Hi, there: I have seen this announcement in the Dash library forum. It seems that they will retire the documentation for the Julia version of the Dash library. It seems that this is a setback for the Julia language. The…

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## [I'm failing at "deploy"ing my first web-app with Dash.jl on JuliaHub](https://discourse.julialang.org/t/im-failing-at-deploy-ing-my-first-web-app-with-dash-jl-on-juliahub/114683)

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**Author:** [@sadish-d](https://discourse.julialang.org/u/sadish-d)\
**Replies:** 5\
**Last updated:** [May 24, 2024, 3:55pm UTC](https://discourse.julialang.org/t/im-failing-at-deploy-ing-my-first-web-app-with-dash-jl-on-juliahub/114683 "2024-05-24T15:55:13Z")

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I have made a local package that takes data and sonifies it (sonification is when you map data to sound as opposed to visualization where you map it to visuals/graphs.) I now want to make some of its functionality access…

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## [App using Dash with multi components (dcc\_dropdown and dcc\_graph) error](https://discourse.julialang.org/t/app-using-dash-with-multi-components-dcc-dropdown-and-dcc-graph-error/106269)

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**Author:** [@Siv\_Soerensen](https://discourse.julialang.org/u/Siv_Soerensen)\
**Replies:** 0\
**Last updated:** [November 15, 2023, 3:25pm UTC](https://discourse.julialang.org/t/app-using-dash-with-multi-components-dcc-dropdown-and-dcc-graph-error/106269 "2023-11-15T15:25:35Z")

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I would like to make an application in which I have both a dcc\_dropdown and a dcc\_graph component, but I do not seem to be able to get the right ‘format of the call’. I had ChatGPT make a ‘simplified version’ of my code…

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## [Dash app precompilation](https://discourse.julialang.org/t/dash-app-precompilation/99529)

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**Author:** [@Maucejo](https://discourse.julialang.org/u/Maucejo)\
**Replies:** 2\
**Last updated:** [July 30, 2023, 3:26pm UTC](https://discourse.julialang.org/t/dash-app-precompilation/99529 "2023-07-30T15:26:27Z")

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Dear all, I have created a Dash application as a Julia module (say myApp.jl). This module has its own environment that I update from time to time. However, when I update the environment, the precompilation step of myApp…

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## [Dash.jl 3D plot combining line and surface](https://discourse.julialang.org/t/dash-jl-3d-plot-combining-line-and-surface/94918)

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**Author:** [@Maucejo](https://discourse.julialang.org/u/Maucejo)\
**Replies:** 6\
**Last updated:** [February 21, 2023, 2:58pm UTC](https://discourse.julialang.org/t/dash-jl-3d-plot-combining-line-and-surface/94918 "2023-02-21T14:58:29Z")

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Hi all, I am trying to develop a Dash app containing a 3d plot. This plot includes a 3d line and a 3d plane surface. The MWE below gives you a basic overview of the app. using PlotlyJS using Dash, DashBootstrapComponent…

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## [Dash and ZMQ "address already in use"](https://discourse.julialang.org/t/dash-and-zmq-address-already-in-use/83341)

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**Author:** [@anon69491625](https://discourse.julialang.org/u/anon69491625)\
**Replies:** 1\
**Last updated:** [June 28, 2022, 11:46am UTC](https://discourse.julialang.org/t/dash-and-zmq-address-already-in-use/83341 "2022-06-28T11:46:07Z")

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Puzzled by this error message as nothing is running on the port for Dash (I run sudo netstat -nlp to make sure) and the ZMQ is working, on it’s own, perfectly as is the Dash functionality. Put them together, which doesn…

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## [Dash datatable using a nested dict anyone done it?](https://discourse.julialang.org/t/dash-datatable-using-a-nested-dict-anyone-done-it/82710)

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**Author:** [@anon69491625](https://discourse.julialang.org/u/anon69491625)\
**Replies:** 7\
**Last updated:** [June 15, 2022, 12:31pm UTC](https://discourse.julialang.org/t/dash-datatable-using-a-nested-dict-anyone-done-it/82710 "2022-06-15T12:31:21Z")

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Hi there I’m looking for an example I can examine that loads a nested dict into a data table. I can’t seem to find any. I see many for dataframes but none for dict like this one. ata\_flow = Dict{String, Any}("AMZN" =\> …

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## [Streaming data represented on webpage dataframe or array?](https://discourse.julialang.org/t/streaming-data-represented-on-webpage-dataframe-or-array/81660)

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**Author:** [@anon69491625](https://discourse.julialang.org/u/anon69491625)\
**Replies:** 4\
**Last updated:** [May 26, 2022, 12:06am UTC](https://discourse.julialang.org/t/streaming-data-represented-on-webpage-dataframe-or-array/81660 "2022-05-26T00:06:48Z")

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Hi all I have ZMQ streaming data and want to represent it using a webpage. The data has an update frequency of about 100 per second. It’s completely float64 and contains other information that represents the ROW, COLUMN…

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## [Dash JSON3 error](https://discourse.julialang.org/t/dash-json3-error/74829)

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**Author:** [@Iulian.Cioarca](https://discourse.julialang.org/u/Iulian.Cioarca)\
**Replies:** 0\
**Last updated:** [January 18, 2022, 8:29pm UTC](https://discourse.julialang.org/t/dash-json3-error/74829 "2022-01-18T20:29:48Z")

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I recently updated to Julia 1.7.1 and along with it some packages. My previously working Dash app now crashes with the following error when I want to plot something: ┌ Error: error handling request │ exception = │ …

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## [Smooth animation in Dash for Julia with dcc\_interval](https://discourse.julialang.org/t/smooth-animation-in-dash-for-julia-with-dcc-interval/70126)

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**Author:** [@valeroc](https://discourse.julialang.org/u/valeroc)\
**Replies:** 0\
**Last updated:** [October 21, 2021, 5:14am UTC](https://discourse.julialang.org/t/smooth-animation-in-dash-for-julia-with-dcc-interval/70126 "2021-10-21T05:14:34Z")

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Hi, I have been exploring how to do smooth animations in Dash for Julia and found a way of doing it using dcc\_interval. I am not sure this is the best way to proceed but it seems to work fine when running in the local se…

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## [Dash.jl and interactive REPL?](https://discourse.julialang.org/t/dash-jl-and-interactive-repl/66197)

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**Author:** [@mzaffalon](https://discourse.julialang.org/u/mzaffalon)\
**Replies:** 7\
**Last updated:** [November 17, 2021, 6:32pm UTC](https://discourse.julialang.org/t/dash-jl-and-interactive-repl/66197 "2021-11-17T18:32:27Z")

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Is there a way to have a Dash.jl application running while at the same time being able to use the REPL interactively?

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## [\[ANN\] Dash.jl v1.1.0 released](https://discourse.julialang.org/t/ann-dash-jl-v1-1-0-released/71422)

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**Author:** [@waralex](https://discourse.julialang.org/u/waralex)\
**Replies:** 0\
**Last updated:** [November 13, 2021, 9:25am UTC](https://discourse.julialang.org/t/ann-dash-jl-v1-1-0-released/71422 "2021-11-13T09:25:49Z")

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Hi all! Dash.jl version 1.1.0 is released Starting from version 1.0.0, the main components (DashCoreComponents, DashHtmlComponents, DashTable) are integrated into the main package, so the user no longer needs to add it…

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## [Heroku – Memory quota vastly exceeded](https://discourse.julialang.org/t/heroku-memory-quota-vastly-exceeded/70562)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 10\
**Last updated:** [October 29, 2021, 9:06pm UTC](https://discourse.julialang.org/t/heroku-memory-quota-vastly-exceeded/70562 "2021-10-29T21:06:17Z")

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Hey there, I developed a Julia application using Dash and ObjectDetector, and deployed on Heroku. But I am having “R15 - Memory quota vastly exceeded” error. I checked the memory usage on my local computer and the ap…

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## [Animation using frames in Dash for Julia](https://discourse.julialang.org/t/animation-using-frames-in-dash-for-julia/70254)

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**Author:** [@valeroc](https://discourse.julialang.org/u/valeroc)\
**Replies:** 2\
**Last updated:** [October 23, 2021, 12:32pm UTC](https://discourse.julialang.org/t/animation-using-frames-in-dash-for-julia/70254 "2021-10-23T12:32:23Z")

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Hi, I have been trying to do animation in Dash for Julia using frames (see the Simple Play Button Demo at Intro to animations in Python) . I managed to make that demo work for Dash in Python but after translating it to …

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## [JSON parsing gives error message with Dash](https://discourse.julialang.org/t/json-parsing-gives-error-message-with-dash/70104)

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**Author:** [@stanlazic](https://discourse.julialang.org/u/stanlazic)\
**Replies:** 1\
**Last updated:** [October 20, 2021, 7:41pm UTC](https://discourse.julialang.org/t/json-parsing-gives-error-message-with-dash/70104 "2021-10-20T19:41:46Z")

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This code runs fine and JSON.parse() works as expected. using Dash using DataFrames using CSV using Base64 using JSON # example data data\_dict = Dict("group" =\> \["A", "A", "B", "B"\], "height" =\> \[1, 2,…

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## [Update PlotlyJS plot in Dash with async data](https://discourse.julialang.org/t/update-plotlyjs-plot-in-dash-with-async-data/66298)

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**Author:** [@mzaffalon](https://discourse.julialang.org/u/mzaffalon)\
**Replies:** 3\
**Last updated:** [October 19, 2021, 8:13pm UTC](https://discourse.julialang.org/t/update-plotlyjs-plot-in-dash-with-async-data/66298 "2021-10-19T20:13:59Z")

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I would like to update a PlotlyJS plot inside Dash with data that is generated asynchronously. A MnWE (minimal not-working example) is here: using Dash, DashHtmlComponents, DashCoreComponents, PlotlyBase app = dash() …

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## [NN Activation Functions with Plotly Dash](https://discourse.julialang.org/t/nn-activation-functions-with-plotly-dash/69992)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 0\
**Last updated:** [October 18, 2021, 5:44pm UTC](https://discourse.julialang.org/t/nn-activation-functions-with-plotly-dash/69992 "2021-10-18T17:44:35Z")

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Hey everyone! I developed a Dash Julia application for visualizing activation functions in neural networks. You can select multiple activation functions and compare on a line chart. Feel free to review the codes on GitH…

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## [PES2021 Players Comparison](https://discourse.julialang.org/t/pes2021-players-comparison/69894)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 0\
**Last updated:** [October 16, 2021, 12:19pm UTC](https://discourse.julialang.org/t/pes2021-players-comparison/69894 "2021-10-16T12:19:46Z")

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Hey everyone! I developed a dash julia application that allows you to compare PES2021 players on a radar chart. You can select multiple players and update the graph. Feel free to review the code on GitHub and ask me any…

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## [Body Mass Index (BMI) Calculator with Dash Julia](https://discourse.julialang.org/t/body-mass-index-bmi-calculator-with-dash-julia/69711)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 0\
**Last updated:** [October 13, 2021, 6:37pm UTC](https://discourse.julialang.org/t/body-mass-index-bmi-calculator-with-dash-julia/69711 "2021-10-13T18:37:11Z")

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Hey everyone! I developed a new Dash Julia application for body mass index (BMI) calculation. You can calculate BMI value and see the weight ranges. Feel free to review the codes on GitHub and ask me anything. Live on …

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## [Tokyo 2020 Olympic Medals](https://discourse.julialang.org/t/tokyo-2020-olympic-medals/69641)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 1\
**Last updated:** [October 13, 2021, 6:45pm UTC](https://discourse.julialang.org/t/tokyo-2020-olympic-medals/69641 "2021-10-13T18:45:41Z")

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Hey everyone! I developed a Dash Julia application to visualize Tokyo 2020 Olympic Medals of teams, and open-sourced all the codes. You can see the application here: Live on Heroku ← Click Here GitHub ← Click Here (…

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## [With Dash, how to obtain a directory name from a file browser](https://discourse.julialang.org/t/with-dash-how-to-obtain-a-directory-name-from-a-file-browser/65826)

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**Author:** [@a5vzener](https://discourse.julialang.org/u/a5vzener)\
**Replies:** 0\
**Last updated:** [August 4, 2021, 4:02pm UTC](https://discourse.julialang.org/t/with-dash-how-to-obtain-a-directory-name-from-a-file-browser/65826 "2021-08-04T16:02:23Z")

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I would like users of my Dash app to be able to select a directory on their local machine — not just one file – and obtain the relative path and name of that directory. Ideally I would get the names of files in the direc…