本内容遵循CC 4.0 BY-SA版权协议 学习一些Python知识点，例如一些常用操作、python的库等，不断更新。 本文来源公众号“python”，仅用于学术分享，侵权删，干货满满。 原文链接：xlsxwriter，一个 ...

Polars/Pandas/PyArrow Manual Zero-copy Zero-copy save_to_buffer() skips the file entirely and returns the xlsx as bytes-- useful for a web response or an in-memory pipeline, with no temp-file round ...

With the GIL, RustPy still spreads. It goes from 8.88s to 5.26s, a 1.7x gain, because the save — XML assembly and deflate, about two thirds of a write — runs with the GIL released. The rows are read ...