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Thoughts and insights on AI, development, and technology

AI Research Reinforcement Learning LLM Calibration Apr 30, 2026

Did MIT solve AI hallucinations?

A new study from Cambridge promises more reliable models through calibrated reward signals. What it actually shows – and what it means for developers today.

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Claude Code Prompt Engineering CLAUDE.md Apr 14, 2026

A CLAUDE.md With 25,000 Stars

How a single Markdown file built from Karpathy's observations became the most-starred repo in the Claude Code ecosystem – and what actually holds up in practice.

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