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 ...
Science

System design of the Ultra Mobility Vehicle: A driving, balancing, and jumping bicycle robot

A bicycle robot combines the strengths of wheeled and legged systems and demonstrates a range of acrobatic behaviors.

Restoring Parallel Claude Code Sessions in Two Steps After a PC Restart — The Hard Part Wasn't 'Restoring', It Was Deciding 'Can I Kill This?'

I have about six Windows Terminal tabs open, each running Claude Code in parallel for different projects. It was a hassle to ...
finance.biggo

Neo4j's Nyah Macklin: Vector RAG Fails at Counting; Knowledge Graphs Give AI a Paper Trail

Vector-only retrieval-augmented generation (RAG) breaks down on questions requiring multi-hop reasoning, aggregation, or traceable provenance, ...