William

fix: Handle DST transitions in group_by_dynamic (#25410)

3

Fixes #25410. `group_by_dynamic` panicked when window boundaries fell on non-existent datetimes during DST transitions, even when the actual data didn't contain those times. ### Reproduction ```python import polars as pl...

Fixes #10186. Rust examples fail with `No such file or directory` because dataset files (parquet, ipc, ndjson) are gitignored and only generated on-demand by `init_files()` during test runs. ### Fix...

Reject line folding in multipart headers

4

Commit 4795831a0a310c2d31102749e551b38faab6401f enables obsolete line folding (obs-fold) contrary to [RFC 7230 §3.2.4](https://datatracker.ietf.org/doc/html/rfc7230#section-3.2.4). So we revert 4795831a0a310c2d31102749e551b38faab6401f entirely, and provide a replacement fix with regression tests. RFC 7230 §3.2.4 ¶5 states:...

Assignment should be comparison, kamo.

`ArgumentError` is misspelled in three places, which causes `NameError` when axis validation fails in `Numo::Linalg.norm`.