pythonpyarrowafter-worktutorial
Apache Arrow / PyArrow tutorial after work: columnar memory that travels
After-work guide to apache arrow pyarrow tutorial: Tables, Parquet, and zero-copy handoffs. Educational only. Not investment advice.
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Tag: pyarrow
After-work guide to apache arrow pyarrow tutorial: Tables, Parquet, and zero-copy handoffs. Educational only. Not investment advice.
Apache Arrow 25.0.0 (10 Jul 2026) plus patch 25.0.1 (10 Aug 2026). Bloom filters fold to the configured FPP, hypot, per-key NULLS FIRST/LAST, ListView in Parquet. 25.0.1: to_pylist without per-element Scalars, SVE unpack fix, Feather deprecation narrowed to V1. Three things to try tonight. Not investment advice.
LightGBM v4.7.0 lets the sklearn API take Polars and PyArrow Table inputs natively—an after-work path into the modern tabular stack without a pandas-only bottleneck.