Python Tips – Page 6

Python contextlib: contextmanager and ExitStack Deep Dive

2026년 02월 05일

Stop writing repetitive try-finally blocks. Python's @contextmanager and ExitStack manage resources in 3 lines—benchmarks and gotchas included.

2026년 02월 02일

dataclasses vs Pydantic vs attrs: real benchmarks, validation tradeoffs, and which to pick for production. Spoiler: speed isn't the deciding factor.

2026년 01월 31일

Debugged a 47GB memory leak in production using tracemalloc and memray. The exact profiling workflow I use to find Python leaks in under an hour.

2026년 01월 15일

Ditch Java-style classes. Implement Strategy, Observer, and Factory patterns using Python's first-class functions and decorators — 50% less code.

2026년 01월 15일

Polars processed 10GB CSV in 8 seconds vs Pandas' 94 seconds. Lazy evaluation and parallel execution explained with migration code examples.

2026년 01월 10일

Python basics to production skills: syntax, data structures, and real automation workflows for data analysis, web scraping, and scripting.

2026년 01월 06일

Class decorators with ParamSpec typing fix Flask middleware bugs most devs miss. Stacking order secrets + descriptor protocol patterns inside.

2026년 01월 05일

Build retry decorators that handle async, preserve signatures, and avoid the *args trap. Real memoization patterns with ParamSpec typing.