Latest stories from ShopperCove

scandir vs listdir in Python: Which Is Faster? Tested

Hands-on os.scandir vs listdir vs Path.iterdir lab: real entries/s for names and is_file on a synthetic tree, measured on Linux localhost (lab) for SREs.

textwrap.fill vs Manual Wrap: Localhost Lab

secrets vs urandom vs getrandbits: Localhost Lab

BytesIO vs SpooledTemporaryFile: Localhost Lab

BytesIO vs SpooledTemporaryFile growth throughput across the spool threshold, compared with NamedTemporaryFile on Linux localhost.

WeakValueDictionary vs dict Cache: Localhost Lab

WeakValueDictionary vs strong dict cache: insert and lookup throughput, plus GC-driven drop on Linux localhost.

Decimal vs float Sum: Localhost Lab

Hands-on Decimal vs float cumulative sum lab: real ops/s plus a simple accuracy note (not financial advice), measured on Linux localhost (lab) for SREs.

threading.local vs tid-dict: Localhost Lab

Hands-on threading.local vs tid-keyed dict vs module-global lab: real ops/s for per-thread state access patterns, measured on Linux localhost for SREs.

Event vs Condition vs Barrier: Localhost Lab

asyncio TaskGroup vs gather: Speed and Exception Handling

mmap vs read Byte-Sum Scan: Localhost Lab

Hands-on mmap vs read vs chunked sequential byte-sum scan lab: real MB/s on a generated fixture (not page-touch), measured on Linux localhost for SREs.