https://www.bobobk.com/tags/reservoir-sampling/ Recent content in Reservoir-Sampling on 春江暮客 Hugo zh-cn Thu, 08 Oct 2026 08:59:00 +0800 https://www.bobobk.com/python-csv-reservoir-sampling.html Thu, 08 Oct 2026 08:59:00 +0800 https://www.bobobk.com/python-csv-reservoir-sampling.html 用 Python 标准库一次扫描 CSV，保留表头并随机抽取完整记录，控制内存占用，记录随机种子以便复现。