https://zeref.dev https://zeref.dev/about https://zeref.dev/work https://zeref.dev/contact https://zeref.dev/blog https://zeref.dev/blog/where-i-actually-learned-bitwise-operators 2026-08-02 https://zeref.dev/blog/temporal-shipped-backwards 2026-07-24 https://zeref.dev/blog/my-turn-to-write-things-down 2026-07-10