Life - a timeline of important events in my life

JavaScript Promiseの本

可読性の高いテストコードを書くためのお作法集

database-backed, app-internal exception tracker for Rails applications

A fixed header that will animate its size on scroll. The inner elements will also adjust their size with a transition.

A keyboard shortcuts modal for your app.

Commands to help you build robust reactive applications with Rails & Hotwire.

Building SVG Icons with React

Facebook's Messenger Native

Set up GitHub Pages and Auth0 authentication with minimal effort

Legacy of BBS

PolicyGen is a ruby gem for mounting TOS, Privacy and other policies