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Winston Chang

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Positron AI Sessionposit::conf(2025)2025-09-16
Positron Assistant is a preview feature you enable in settings and log into Anthropic and GitHub Copilot; it offers ask, edit and agent mode where the agent…
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Web applications with Shiny and React and AIposit::conf(2025)2025-09-16
Shiny backend pairs with a React front end so browser state and server reactivity coexist via useShinyInput and useShinyOutput, sending JSON with renderJSON…
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Building ML and AI apps with Shiny for Pythonposit::conf(2024)2024-08-12
An assistant named Shiny Assistant generates runnable Shiny apps in R or Python using Claude 3.5 Sonnet and loads them into Shinylive so code runs in-browser…
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AI and Shiny for Python: Unlocking New Possibilitiesposit::conf(2023)2023-09-17
Shows a working Shiny for Python workflow that uses the chat_stream package to call OpenAI, returning structured JSON (recipes) from messy webpages and letting…
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20 questions and AI chat botsposit::conf(2023)2023-09-17
A small app wires two instances of chatstream built on Shiny for Python so one bot thinks of an object and the other asks, successfully playing 20 Questions by…
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Running Shiny without a serverrstudio::conf(2022)2022-07-25
Shinylive runs Python in the browser by shipping a Pyodide WebAssembly environment and app code so no Python server is required; examples encode the app into…
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Asynchronous programming in Rrstudio::conf 20192019-01-15
Explains how the later package provides an event loop with a C API and thread‑safe scheduling so many async tasks run inside one R process. Demos: a polling…
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Running Shiny without a serverrstudio::conf 20192019-01-15
Shinylive runs Python in the browser using Pyodide compiled to WebAssembly, sending the app code, data and runtime in the URL or as static files so no Python…
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