Increase performance of dash apps
I have build a dashboard using dash in python. On initial load all graphs are empty. Graphs are then updated through call backs. Now I am facing few performance issues with graphs :- I want to...
View ArticleThread executor not executing task when debug is set to False
UPDATE_INTERVAL = 60 * 5 df = pd.read_csv('data.csv') def fetch_data(): global df df = pd.read_csv('data.csv') print(df['Value']) def refresh_data(period=UPDATE_INTERVAL): """Update the data every...
View ArticleReturn a groupby datatable (mean) from previous datatable
Hi guys, im fairly new to Dash and im trying to grasp as much as i can in this short period of time. There aren’t much references out there that addresses my problem. Below is my code and im having...
View ArticleBasic Dash - Reading and Updating online data
Hi I have a basic question about updating online data in my app. To make short a long story, I’m have to access an online database every minute to update may dash visualization. I’m starting the app...
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Show & Tell: Parse data from dcc.Upload without pandas (multiple headers)
Hi. This is an example of how to parse data from a csv file using a dcc.Upload component and not pandas reader. This is in case you need to read data from multiple headers. Example csv: id:2020-code...
View ArticleLoading .p12 (PKCS#12) cert from browser
My Dash app pulls data from a REST API web service which requires authentication. Currently, I’m pulling in my .p12 file with my key manually in python and using it to make the request. In reality,...
View ArticleHtml widget i dash
Dash is great, but one thing I can’t figure out how to incorporate is external html widgets. Eg. I want to add a https://www.buymeacoffee.com widget to try to monetize on my application in a nice way,...
View ArticlePlotly Express choropleth map
I am trying to make a choropleth map of Colombia. I create an example dataframe to prove if the map works. I am using a GeoJson of the colombian cities and I set the featureidkey properly (I guess),...
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Printing the information from dataframe on the page
I am new to python and plotly dash and didn’t found any any solution how to print the code `df = pd.read_csv("any.csv") x= df.columns print(*x, sep = ', ') children = [ html.Details([...
View ArticleHow to solve Heroku Error H13 - 'connection closed without response'
hi, i’ve been struggling to deploy my dash app to Heroku, getting the errors H13 and H10, has anyone seen these before? my directory is as per dash instructions -https://dash.plotly.com/deployment....
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Horizontal Scroll Bootstrap Modal component
Is it possible to add an horizontal scrollbar to a dbc.Modal component? img1087×551 38.1 KB 3 posts - 3 participants Read full topic
View ArticleDash Plotly tab not showing full file list in a folder
I have a requirement of downloading files from a folder which I could do using this link After which I wanted to segment the files in different tabs which I could do but NOT ALL FILES are listed ....
View ArticleToo many WebGL active contexts
Hi All, I am using Python 3.7.7 with the following dash & Plotly versions: dash - 1.14.0 plotly - 4.9.0 dash_html_components - 1.0.3 dash_core_components - 1.10.2 I’m creating a Data Visualization...
View ArticleReturn a chained dropdown with 'All' values
(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) 1 post - 1 participant Read full topic
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dcc.DatePickerSingle Field Width
When using the DatePickerSingle component with the following code, the field width cannot be altered to show the full length of the date string. The wrapper div width can be adjusted, but there’s no...
View ArticleControls are not visible on IPhone Safari
Hello, on our page created with dash https://www.everyonecounts.de are the controls on left side not fully visible on Iphone Safari browser....
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Drop down displaying issue
Please can anyone help me with this So when i click on the down button of the dropdown to show the choices, the list is empty. Only when i go down with the keyboard and click, the item show up. Look...
View ArticleVariable update via callbacks
Hi, I am trying to build a dash app, in which i am reading a csv file and filtering it based on user inputs and showing the output in a dash datatable. As the data in a few columns are very large, I...
View ArticlePlotly dash unresponsive on windows
Any ideas how to troubleshoot a dash app that is completely unresponsive when running in a Windows environment, but that works great on Linux? I never had problems running the app in both...
View ArticleDiscerning when a click has occurred when you have both hoverData and...
Is there a way to determine when a click has occurred when you have both hoverData and clickData inputs? The callback will be triggered constantly during mouse movement so there’s no obvious way to...
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