How to upload a csv file and render a bar plot
Hi Dash Community, I’m new to the Dash and Plotly ecosystem and am very impressed with the functionality. I’m trying to build a simple web dashboard. The workflow is: the user uploads a CSV file a...
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Graph resizes (arbitrarily) when changing between Tabs in a Dash App
I have build a simple app with two Tabs (using the 2nd method from here https://dash.plotly.com/dash-core-components/tabs). The first Tab has a heatmap and a graph, the second tab has some buttons....
View ArticleIs it possible to add MS Excel-like mini chart in dash datatable?
Hi everyone, I am a beginner. After following the dash tutorial, I find that Dash data_table doesn’t support the MS Excel-like mini chart in data_table. It seems that data_table property ‘data’ can...
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Dash DETR Object Detection App
Hey everyone – Just wanted to share a really cool 200-line object detection app by @xhlu that uses Facebook AI’s latest Detection Transformers (DETR) library Demo App:...
View ArticleDrag and drop columns from a dataframe
Is any workaround available in dash to have a functionality to drag and drop column names in a dataframe (after dataframe is loaded). I am trying to create a functionality where user can create their...
View ArticleNavbar links not triggering url callback on heroku, works fine on development
I’m a little perplexed by this. I followed some guides for a multi-page app with a navbar. Switching between pages works fine in development, but in Heroku the callback never gets triggered when you...
View ArticleServing dash app from a subdirectory using nginx
My dash app is running on port 7000 I’ve configured it to be proxied by Nginx as follows location /godash { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host...
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Dash DAQ components are not responsive?
Hi everyone, I’m wondering is there any way to make Dash DAQ components responsive similar to other Dash components? I have different components on one dashboard (Graph and Gauge), but when I resize...
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DAQ Knob doesn't work on toouch screen devices
Hello, I just noticed DAQ Knob component doesn’t work on touch screen devices like tablets! In fact, you can’t change the value by touching the component. Slider component works with no issue. Anyone...
View ArticleEquivalent function for px.bar() in go.bar()?
I’m brand new to the Dash framework. My (toy) data is as follows: df = pd.DataFrame({'Make':['Ford', 'Ford', 'Ford', 'BMW', 'BMW', 'BMW', Mercedes', 'Mercedes', 'Mercedes'], 'Score':['88.6', '76.6',...
View ArticleRange slider is not showing in html
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View ArticleProblems persisting state between pages
Many components such as the dropdown support the persistence argument to persist the state of the dropdown even if one switches between pages of a multi-page application. However, I couldn’t manage to...
View ArticleHow to add comments/community forum to an already made dash app
Hello, I am new to Dash and I’ve been developing a dashboard for a competition on Covid 19 tweets. I have integrated login system in it, meant for users who are experts in analytics and healthcare....
View ArticleDash data tables: changing sort arrow colors & pagination arrow colors
Hi everyone. I have been smacking my head against a brick wall trying to figure out how to change the color, size, and general appearance of the column sort data table arrows and the pagination...
View ArticleHow to take a a generated list and a value as Input in the same callback?
I have a set of buttons and a hidden-div that I want to take inputs from. I have managed to get the input from the buttons in the following way @app.callback( [ Output('league-table', 'children'), ],...
View ArticleHow to define the Z argument for the create_annotated_heatmap() function?
Hi All, I’m brand new to Plotly and Dash. I’m trying to create a heat map. The docs at https://plotly.com/python/heatmaps/ say that it’s possible to use the ff.create_annotated_heatmap() function, as...
View ArticleHow to resolve the error: dash.exceptions.NoLayoutException
I was trying to update my dash version because the tabs were rending slow and I thought the version v1.12 had a fix on the tab rendering so I did an upgrade and restarted my vs code and I ran my code...
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Commenting System
Hi Guys, I have build a multipage app and I have also built a commenting system like when user write any text from one page and than he clicks on submit than it will be saved as text file. Than this...
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Dash unable to read pickle file after deploying on heroku
Hi All, I have deployed a dash app on Heroku for prediction of car price. But after deployment it is unable to reflect the predicted price. Below are the example on local image1353×595 23.7 KB this is...
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Changing the background color of the selected item in multi-select dropdown -...
Hello, I`m trying to change the style of the multi-select drop down in Dash, but I can only change the text-color of the options, like below: Is there a way I can change the background color of the...
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