https://oluwoleilesanmi.hashnode.dev 2026-11-05T14:39:35.307Z always 1.0 https://oluwoleilesanmi.hashnode.dev/immutability-and-how-to-reverse-strings 2022-06-19T18:48:09.812Z daily 0.8 https://oluwoleilesanmi.hashnode.dev/archive 2026-11-05T14:39:35.307Z daily 0.5