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by Chang-Woo Rhee · Dec 18, 2025

> why i get ramdom payment_no when i use max(payment_create)? > You get random payment_no because of how GROUP BY ...

#sql #greatest-n-per-group #database-design-pattern

by Chang-Woo Rhee · Oct 12, 2025

🔹 Phase 1: Build Core Foundations 1. Math Refresher (Just Enough!) • Linear Algebra: Vectors, matrices, dot product...

#ml

by Chang-Woo Rhee · Oct 12, 2025

• Courses: • Andrew Ng’s ML Course (Coursera) (theory-focused) • fast.ai (practical, top-down approach) • Googl...

#ml

by Chang-Woo Rhee · Sep 03, 2025

ollama pull ollama pull qwen2.5-coder:32b python3 -m pip install aider-install # aider --model ollama_chat/llam...

#ai #ollama #aider #ml

by Chang-Woo Rhee · Sep 03, 2025

1. Response has a single file only curl http://localhost:11434/api/generate -d '{ "model": "qwen3:4b", "prompt"...

#ollma #ai #ml

by Chang-Woo Rhee · Sep 01, 2025

The Multiply-Accumulate (MAC) operation is central to modern computing—especially in digital signal processing (DSP),...

#ai #ml

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