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anjanduttaon DSA Interview Questions: What Gets Asked (and How to Prepare Smart)

An in depth guide

anjanduttaon Ask HN: What are you working on? (February 2026)

I’m building a tool that helps you stay on track and revise LeetCode DSA problems in a structured, stress-free way for interview prep.

I have launched it here https://dsaprep.dev

anjanduttaon Show HN: Zero-codegen, no-compile TypeScript type inference from Protobufs

This is super cool — love the zero-codegen approach. I’ve had to deal with codegen hell in monorepos where a tiny .proto change breaks half the pipeline. Curious how this handles more complex types like nested messages or oneof fields?

Also, been building something in a different space (LeetCode prep tool), but the idea of removing build steps for dev speed really resonates. Would love to see how this could plug into a lightweight frontend setup.

anjanduttaon Jan: Open-source alternative to ChatGPT that runs 100% offline on your computer

How does the model gets trained?

anjanduttaon Ask HN: How can I get invited to lobste.rs

Thank you for explaining it beautifully.

anjanduttaon [dead]

Just trying to make learning more interactive. Is this the right way?

anjanduttaon Show HN: Launched my side project, an online code compiler

They python comment is fixed, thanks for testing it!

anjanduttaon Show HN: Launched my side project, an online code compiler

Well, I have seen in many of the other compilers that there is a limit on certain things, sometimes there is a limit on the number of lines, or number of executions, someone is asking for a sing-up etc. I tried to keep it completely free from any of these. That's why "freecodecompiler". (and I don't store the code)

anjanduttaon Show HN: Launched my side project, an online code compiler

Thanks! I will look into it.