I am reading the book Understanding the Digital World - Brian Kernighan - Japanese translation edition. It's a book to learn computer science as a liberal arts. And I see a checksum algorithm of card number invented in 1954 is interesting.…

I traveled there in July. Padrão dos Descobrimentos This is called byobu. There was trading between Japan and Portugal around 15XX ~ 16XX. This byobu was given by Japan to Portugal. Grilled cod (bacalhau).

I traveled to Porto and Lisbon, Portugal in July 2023. In a small art gallery in an art district in Porto. I really like this area. An authentic Japanese cafe, Musubu Cafe Proto (map). A brown rice onigiri with wakame (2/3 brown rice, and …

I am working for Ruby OpenSSL library and OpenSSL. and Ruby OpenSSL Library's repository supports both OpenSSL and LibreSSL that is a fork from OpenSSL. It seems that LibreSSL is mainly used in *BSD. To fix LibreSSL related issues, I need …

I think that in biology, the ecosystem Ecosystem - Wikipedia means a system of living things (organisms). You can imagine a variety of living things in the forest, jungle, or sea. But I am using the terminology "ecosystem" as another meani…

The process until getting the report I wrote I submitted Nebula Genomics on my past blog. I selected the Ultra-deep 100x coverage plan. If I checked my email history, it is below. I ordered it on 1st November 2022. I received the kit from …