writing/

blogs, notes, and thoughts

2026
What `2>/dev/null` Does

A short note on stderr redirection, pipes, background jobs, and why `/dev/null` is the shell's trash can.

note
2025
Understanding LLMs Before Using One

A guide to foundational LLM concepts — tokens, context windows, hallucination, and prompt injection — and how tools like RAG and MCP can address their limitations.

blog external
Reflections on KDAN as a Data Intern

Lessons from a 9-month data internship at KDAN — on analytics engineering, SQL version control, and why ownership and communication matter more than technical skills.

blog external
2024