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Socialixer

2d ago

What project would you love to build but haven't started yet?

I'm curious what everyone is working toward.

Is there a project you've always wanted to build but never got around to starting?

Maybe it's:

  • A URL shortener

  • An AI chatbot

  • A recommendation system

  • A real-time chat app

  • Something completely different

Socialixer

2d ago

How did you learn System Design?

There are so many ways to learn System Design:

  • YouTube videos

  • Books

  • Interview preparation

  • Building projects

  • Working on production systems

What worked best for you?

If you're still learning, what's been the most challenging concept so far?

Socialixer

2d ago

What's the hardest part of learning AI right now?

AI is moving incredibly fast.

Whether you're exploring LLMs, RAG systems, agents, fine-tuning, or traditional machine learning, what's the biggest challenge you're facing?

For me, one challenge is deciding what to focus on when new tools and frameworks appear every week.

Would love to hear how others are approaching it.

Socialixer

5h ago

PrepGrind - Learn system design, DSA & AI by building, not memorizing

PrepGrind is a interactive playground to learn system design and data structures, algorithms (DSA) & AI. Build architecture diagrams on a drag-and-drop canvas, run live traffic simulations, study 33 real system design case studies (URL shortener, Instagram, chat, video streaming, payments), and master DSA patterns with step-by-step algorithm visualizations and interview guides.