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Languages & runtimes · #python
Learn when to use @st.cache_data and @st.cache_resource in Streamlit, see a worked example, and understand the trade‑offs of cached values.
Learn how Flask’s application factory pattern removes global app coupling, simplifies configuration, and makes testing reliable with a concrete code example and verification steps.
Learn how to define a reproducible Python environment in GitHub Codespaces with a devcontainer.json, install packages automatically, and verify forwarded ports—without manual setup.
Learn how to use Plotly’s offline mode to produce a single HTML file that contains an interactive chart and the Plotly.js library, ideal for sharing static reports.
Learn how to implement a non-blocking database read/write path using SQLAlchemy 2.0 AsyncSession and QueuePool, including session lifecycle management and operational monitoring.
uWSGI can serve HTTPS directly and auto-reload Let’s Encrypt certificates with --http-ssl-reload. Learn how to configure, verify, and when this single-binary approach is right for you.
Stop relying on unstable requirements.txt files. Learn how Poetry uses deterministic lockfiles and dependency groups to eliminate 'dependency drift' in Python projects.
Stop repeating try...finally blocks. Learn how to implement Python's Context Management Protocol to automate resource cleanup and handle exceptions gracefully.
A decision guide for handling Homebrew keg‑only formulae (OpenSSL, Python, LLVM) on macOS 13+ and Linuxbrew: compare default isolation, force‑linking, pkg‑config integration, and explicit environment variables with a ready‑to‑use CI build snippet and validation commands.
streamlit
githubcodespaces
plotly
uwsgi
poetry
openssl