The cause of slow pandas loops was Timestamp generation | While speeding it up 28x with int64, trades silently disappeared

Hello, this is Sukima Log.I use a custom backtest (Python/pandas) to test FX trading rules against past price movements. This ...

Hacker News Japanese Commentary 2026/10/19 | Today's Highlight: DeepSeek's Affordable Web Search API

On "Hacker News," a bulletin board where engineers and entrepreneurs from around the world gather, technical news and reading materials from across the globe are ranked daily by votes. In this article ...