Show HN: Napkinbook – an infinite computational whiteboard/dashboardnapkinbook.com5 ポイント·投稿者 tccole·8 日前·1 コメント
tccole·7 か月前·議論I spent 8 hours debugging datetime parsing in a PySpark migration. Every solution failed… built-in functions returned silent NULLs, UDFs took 6 hours to run, pandas UDFs still failed on 8% of rows.