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Business Architecture Reference Model

Yingting Huang

Sep 9, 2022

Photo by Sean Pollock / Unsplash

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One Month of Vibe Coding with GitHub Copilot

Today is the last day of October, and I just finished a one‑month challenge: using GitHub Copilot for vibe coding. Along the way, I also tried Codex, GitHub Copilot CLI, and Spec Driven Development. In this one month, I built four apps: * Underwriting X * Claim X * Reading X * Document

Oct 30, 2025 2 min read

Automated Prompt Optimization in DSPy: Mechanisms, Algorithms, and Observability

1. Introduction: The Shift from Manual Prompting to Programmatic Optimization The advent of powerful Large Language Models (LLMs) has revolutionized natural language processing, yet harnessing their full potential often hinges on the art and science of prompt engineering.1 Traditionally, crafting effective prompts has been a manual, iterative, and often

May 14, 2025 20 min read

ReAct Agents: Building From Scratch - Native Function Calling vs. Custom TAO Parsing

Introduction In this article, I'll walk you through two different ways to implement ReAct agents without relying on any existing frameworks: 1. Native Function Calling: Tapping into the built-in capabilities of modern LLMs 2. Custom TAO Parsing: A more flexible text-based approach for parsing Thoughts, Actions, and Observations I've deliberately

May 11, 2025 4 min read

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