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statistics.quantiles vs Manual Percentile: Localhost Lab

lru_cache vs functools.cache: Is There Any Difference?

graphlib Topo vs Manual Kahn: Localhost Lab

Path.glob vs listdir+fnmatch: Localhost Lab

Hands-on Path.glob vs os.listdir+fnmatch.filter one-dir lab: real matches/s on *.py files, measured on Linux localhost today in this hands-on lab for SREs.

tomllib vs JSON Config Load: Localhost Lab

Hands-on tomllib vs json.load nested config lab: real loads/s (stdlib TOML read-only), measured on Linux localhost today in this hands-on lab for SREs.

zoneinfo vs Fixed UTC Offset: Localhost Lab

Hands-on zoneinfo.ZoneInfo vs fixed UTC offset conversions: real conv/s on many datetimes, measured on Linux localhost today in this hands-on lab for SREs.

Python dataclass replace vs Manual Copy: Which Is Faster?

Hands-on dataclasses.replace vs manual copy/new-instance lab: real ops/s updating one field, measured on Linux localhost in this hands-on lab for SREs.

islice vs list Slice Windows: Localhost Lab

Hands-on itertools.islice vs list slice window lab: real ops/s taking ranges from sequences, measured on Linux localhost in this hands-on lab for SREs.

heapq.merge vs sorted(chain): Localhost Lab

Hands-on heapq.merge vs sorted(chain) multi-way merge: real records/s on pre-sorted lists, measured on Linux localhost today in this hands-on lab for SREs.

mmap Write vs pwrite Region: Localhost Lab

Hands-on mmap MAP_SHARED write+msync vs pwrite region update: real MB/s with durability labels, measured on Linux localhost in this hands-on lab for SREs.

os.stat vs Path.stat vs lstat: Localhost Lab

Hands-on os.stat vs pathlib.Path.stat vs os.lstat: real metadata stats/s on many regular files, measured on Linux localhost in this hands-on lab for SREs.

html.escape vs Manual Replace: Localhost Lab

A hands-on localhost lab comparing html.escape with chained str.replace for safe HTML escaping.