If you’re new here, this is probably the easiest way in. These are a few posts I’d point someone to first — roughly grouped by topic. Pick whichever heading looks closest to what you’re after; the rest of the blog branches out from here.
AI Systems
Why AI agents fail: most agent failures aren't model problems, they're governance problems, and the two need completely different fixes. How to tell them apart.
Most teams treat AI skills as saved prompt templates. They're not. A proper Skill is a capability contract—with input schemas, tool bindings, validation, and retry logic. Here's what that distinction means for production system design.
Token 是什麼？LLM 為何不直接處理完整字詞：解析字級、字元級、子詞級三種 tokenization 方法，包含 BPE 示範程式碼，以及 token 數量對計費和上下文長度的影響。
Machine Learning
LSTM 長短期記憶網路入門：解析 input gate、output gate、forget gate 的運作原理，如何解決 RNN 的長期依賴梯度消失問題，以及在 TensorFlow 中的實際應用。
Python
A relaxed take on Python list comprehensions: translate them back into the equivalent for-loop, and check what's actually true about variable leaking and speed on Python 3.14.
用 Python 爬取台股即時股價：從 DevTools 找到證交所 getStockInfo API，解析 JSON 回應，取得台積電等個股的即時成交價、最高最低價與五檔報價。
