Tech articles and engineering insights
Walking the floor at AI World 2026 Summer in Tokyo, one thing had changed in six months: how companies compete. Implementation can be copied — data can't.
My last day at Benesse. Gratitude, sadness, and a little fear — and why I keep jumping in anyway.
Plenty of people studying English have a respectable TOEIC score and still find that none of it comes out in an actual conversation.
If I had to sum up 2025 in a phrase, it was a year of stagnation with light breaking through — the frustration of marking time without feeling myself grow.
Building a local chat that answers questions about a PDF using RAG (Retrieval-Augmented Generation).
I came across the ln command and was struck by just how useful it is.
A chart used to get a rough read on the correlations between data points.
—Also publishing on external platforms