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Cheatsheets, notes & templates
DSA pattern cheatsheet
The 14 patterns that cover the overwhelming majority of interview DSA questions, with the trigger that tells you which one to reach for.
4 sections · 30 points
SQL one-pager
Every SQL construct that shows up in analytics screens and backend interviews, on one page.
5 sections · 22 points
Computer networks cheatsheet
Computer networks revision sheet, layers, protocols, and the questions interviewers actually ask.
4 sections · 16 points
Operating systems notes
Operating systems revision notes for placements, processes, memory, concurrency and file systems.
4 sections · 17 points
DBMS revision pack
DBMS complete revision, relational model, normalisation, transactions and indexing.
4 sections · 17 points
System design primer
A working checklist for the 45-minute system design round.
4 sections · 18 points
ATS-friendly resume template
A one-page, ATS-safe resume skeleton plus the bullet formula that survives a 7-second scan.
4 sections · 22 points
Cold email and referral templates
Referral and cold-outreach scripts that get replies, with the rules that make them work.
5 sections · 17 points
Attention Is All You Need, reading notes
Reader's companion to the Transformer paper, what it says, why it mattered, and what to remember.
4 sections · 14 points