#dataapps — Public Fediverse posts

The Streamlit Rerun Problem: How on_change Causes Multi-User Data Loss (Python Solution)
In multi-user Streamlit apps, on_change can trigger reruns that reset state and wipe unsaved edits.
This post explains why it happens and shows a safe Python pattern to track changes, preserve drafts, and save reliably.

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#Streamlit #Python #DataApps #Engineering #DataScience
@chartrdaily @pythonclcoding
@theartificialintelligence
@programming
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One of the main reasons to try our #DuckDBPro 🛠️ in #VSCode IDE are the 30+ custom #DuckDB view & metadata shortcut commands you can invoke from the standard VS Code Commands Palette while exploring those embedded DB files in your #dataApps for your next EDA #dataProject ...

📰 https://github.com/RandomFractals/pro-data-tools/blob/main/duckdb-tools.md#duckdb-view-commands

#ProDataTools 🧙‍♂️ ...

📢 New 2022 #ChicagoCrimes #MalloyData #Fiddle app you can run in a browser to learn Malloy model and query semantics, nesting, and simple charting 📊📈 options:

📰 https://randomfractals.github.io/chicago-crimes/apps/malloy-fiddle

📓 https://github.com/RandomFractals/chicago-crimes#with-malloy-fiddle

🧐 https://github.com/RandomFractals/chicago-crimes/blob/main/docs/images/chicago-crime-reports-malloy-fiddle-app.gif

#DAX #dataApps #dataTools 🔬 ...

so cool! :)
---
RT @TarasNovak
Created a web page with #PyScript loading 2022 #ChicagoCrimes CSV data with #pandas and visualizing that data with #Altair charting lib:
https://github.com/RandomFractals/chicago-crimes/blob/main/apps/pyscript/index.html
#dataApps ...
https://twitter.com/TarasNovak/status/1597379498756173824

Created a web page with #PyScript loading 2022 #ChicagoCrimes CSV data with #pandas and visualizing that data with #Altair 📉📊 charting lib:

🧐 https://github.com/RandomFractals/chicago-crimes/blob/main/apps/pyscript/index.html

#dataApps ...