If you are using a coding agent such as Claude Code, Cursor, or Copilot, the repository includes a skill file at .claude/skills/penaltyblog/SKILL.md that gives your ...
𝗙𝗹𝗮𝘁𝘁𝗲𝗻 𝗡𝗲𝘀𝘁𝗲𝗱 𝗔𝗿𝗿𝗮𝘆𝘀 𝗶𝗻 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 Nested arrays happen often. You get them in API responses. You see them in tree structures. Flattening turns these into a single list ...
𝗦𝗼𝗮𝗿𝗶𝗻𝗴 𝘁𝗼 𝗡𝗲𝘄 𝗛𝗲𝗶𝗴𝗵𝘁𝘀: 𝗧𝗵𝗲 𝗜𝗺𝗽𝗮𝗰𝘁 𝗼𝗳 𝗣𝘆𝘁𝗵𝗼𝗻 𝗮𝗻𝗱 ...