Sefism is free for learners. We are here to help you grow, one step at a time.Join for free
Sefism.

Web and mobile cheat sheets

Cheat sheets for building products: frontend, backend and mobile frameworks, APIs, testing and deployment, each with the mistake to avoid.

  • 76 sheets
  • 5120 concepts

Free to learn. Credits keep it fair.

Reading is free. Adding a roadmap, keeping a cheat sheet or asking Tauseef a question uses credits, which only make sure the platform goes to people who are actually learning.

  • 15creditswhen you join
  • 1stroadmapfree to add
  • Morecreditson request, as you learn

Build products

13

Ship real apps for the web and phones.

  • Cheat sheet · Build products

    Frontend development cheat sheet

    HTML, CSS, JavaScript and a framework.

    Chapters

    1. 1How the web works
    2. 2Semantic HTML and accessibility
    3. CSS and responsive layout

    + 6 more

    • 10 chapters
    • 83 concepts
    Opens with credits

  • Cheat sheet · Build products

    UI/UX design cheat sheet

    Figma, usability, design for developers.

    Chapters

    1. 1How product design works
    2. 2Visual design fundamentals
    3. Figma essentials

    + 4 more

    • 8 chapters
    • 76 concepts
    Opens with credits

  • Cheat sheet · Build products

    Full stack development cheat sheet

    Build and ship whole web apps.

    Chapters

    1. 1Web foundations: HTTP, HTML, CSS and JavaScript
    2. 2Git, npm and React
    3. APIs, authentication and caching

    + 2 more

    • 7 chapters
    • 58 concepts
    Opens with credits

  • Cheat sheet · Build products

    Game development cheat sheet

    Make and ship your own games.

    Chapters

    1. 1How games are made
    2. 2Programming for games
    3. The engine in depth

    + 6 more

    • 9 chapters
    • 76 concepts
    Opens with credits

  • Cheat sheet · Build products

    .NET developer cheat sheet

    C#, ASP.NET Core, EF Core, production-ready APIs.

    Chapters

    1. 1C# syntax you use every day
    2. 2LINQ
    3. async, await and Tasks

    + 7 more

    • 10 chapters
    • 78 concepts
    Opens with credits

  • Cheat sheet · Build products

    Design Patterns cheat sheet

    All 23 Gang of Four patterns with intent, when to use and a TypeScript sketch, plus SOLID, related principles and a problem to pattern map.

    Chapters

    1. 1How to use patterns
    2. 2Creational patterns
    3. 3Structural patterns

    + 5 more

    • 8 chapters
    • 45 concepts
    Free

  • Cheat sheet · Build products

    Prompt Engineering cheat sheet

    Prompt anatomy, few-shot examples, chain of thought, structured output, long context, prompts for code and study, and testing prompts.

    Chapters

    1. 1Anatomy of a prompt
    2. 2Zero-shot and few-shot prompting
    3. Chain of thought and reasoning

    + 5 more

    • 8 chapters
    • 55 concepts
    Opens with credits

Browse the cheat sheets by topic

Each of these is its own page: the foundations shelf, the career shelf, the sheets that are open end to end. The filters above do the same thing without a page load.

Work with me

Stuck on something specific?

Writing only gets you so far. If you want an answer to your situation rather than the general case, book a session and we will work through it together. Sessions are free for approved Sefism members, and a few slots open each week.

  • 1:1 Mentorship
  • Fresh Graduate Mentorship
  • Career Guidance
Book a free sessionSee all services

Brand deals, promos and partnerships: tauseeffayyaz@gmail.com

Follow along

New writing, resources and project ideas land here first.