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Languages & runtimes · #python
Learn how to use Poetry’s dependency groups to create deterministic, lean production images. Compare options, trade‑offs, and see a step‑by‑step guide to implementation and validation.
NumPy broadcasting stretches smaller arrays across larger ones using two right-alignment rules. Learn the rules, a centering example, np.newaxis tricks, and the silent (n, n) shape bug.
Poetry's lock file pins your entire dependency graph while dependency groups keep pytest and friends out of production. Here's how to use both, and verify they actually work.
Learn how to reduce noise and choose hysteresis thresholds in OpenCV's Canny edge detection to get clean structural boundaries without false positives.
How to declare Python dependencies in PyScript's py-config, which packages actually load in the Pyodide runtime, and the compatibility and performance limits that decide whether PyScript fits your project.
Slow ShotGrid scripts usually aren't a data-volume problem — they're over-fetching fields and paginating on defaults. Here's how field selection, dot-notation traversal, and deliberate pagination fix that.
Flask Blueprints let you split a monolithic app into modules with URL prefixes, scoped error handlers, and namespaced URL generation — without changing route logic. A worked example shows API versioning via url_prefix, plus the app_errorhandler vs errorhandler distinction that trips people up.
Learn how to choose between venv, Conda, Pipenv, and Poetry in PyCharm to avoid dependency conflicts and ensure project reproducibility.
Learn how to publish a Python package on PyPI using the modern PEP 517/518 build system. This guide walks you through configuring pyproject.toml, building, validating, and uploading to Test PyPI before the final release.
poetry
pyscript
shotgrid
flask
pypi