Build professional terminal UIs with Textual: a Python framework with CSS styling, reactive widgets, and async events for dashboards and dev tools.
Coding
Pragmatic notes on developer tools, languages, and workflows. Shortcuts, tricks, and lessons from actually shipping code.
Python Memory Optimization: 50-80% Reduction with memray
Profile and optimize Python memory with memray, tracemalloc, and objgraph. Covers leak detection, generators, __slots__, and cutting peak use.
Private package registries: PyPI, npm, supply chain control
Host a private PyPI registry with pypiserver and a local npm registry with Verdaccio to cache Python and Node packages. Setup takes under 30 minutes.
Testcontainers: PostgreSQL, Redis, Kafka testing
Test your Python code against real PostgreSQL, Redis, and Kafka containers with Testcontainers and pytest. Drop the mocks for real services.
Hypothesis property testing: find edge cases automatically
Hypothesis generates hundreds of random inputs to find bugs example-based tests miss, then shrinks to the smallest failing case. Works with pytest.
Interactive Go CLIs with Cobra command trees and Bubble Tea
Cobra and Bubble Tea combine argument parsing and rich terminal UIs into one Go binary that works as both a scriptable tool and a polished app.
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