Rails World 2026 Opening Keynote - DHH DHH opens Rails World 2026 in Austin with a keynote on the age of AI agents: why 37signals has gone "pencils down" on handwritten code, why Rails' convention over configuration is built for this moment, and why the only play left is total optimism. Thank you, Shopify, for sponsoring the editing a... はてなテクノロジー 2026年09月24日 01:43