Revision notes

The full-stack interview handbook

14 topics from HTML to Docker, written for revision: definitions, diagrams, real code you can run in the compiler, common mistakes, and rapid-fire Q&A that also becomes a flashcard deck. Switch any topic to the handwritten style, or print it to PDF.

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Frontend

Backend

Databases

DevOps & Tools

PDF volumes

  • System Design

    Load balancers, CDN, caching, sharding, CAP, queues, microservices, rate limiting, JWT, and the Instagram, IRCTC and UPI case studies.

  • DSA in Python & JavaScript

    Big-O, the four patterns, recursion, searching, sorting and string problems — every solution in both languages.

  • DSA — handwritten notebook

    The same DSA notes on ruled notebook paper.