~/notes — private shelf

Study notes

Drills and cheatsheets I keep for interview prep. Not linked from anywhere — you found the back door.

Machine coding · Drill

Express Server Drill

A Node + Express 5 + TypeScript + Zod skeleton laid out in typing order — blueprint, annotated files, fill-in-the-blank and from-scratch recall drills, plus a repo review.

  • Express 5
  • TypeScript
  • Zod
  • LLD
Open drill
DSA · Cheatsheet

Python DSA Cheatsheet

Constraint-to-complexity tables, keyword-to-pattern lookup, method mnemonics and copy-ready templates — searchable, in Hinglish.

  • Python
  • Patterns
  • Templates
  • Mnemonics
Open cheatsheet