IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
919 articles
19 Jul 2026 · 6 min read
english-lesson
Sunday weekly review for tech professionals. Top 5 words from this week: inference, articulate, leverage, spontaneous, scalability — with recap exercises, pronunciation tips, and next week preview.
Read more19 Jul 2026 · 6 min read
ai
When AI writes the code, reviewing the diff is already too late. Learn the upstream review model — reviewing intent, architecture, and test contracts before a single line is generated.
Read more18 Jul 2026 · 6 min read
english-lesson
Daily English practice for tech professionals. Saturday morning session covering social English: small talk, casual conversation, weekend topics, and social situations for Vietnamese techies.
Read more18 Jul 2026 · 6 min read
agent architecture
Loop engineering isn't one technique — it's a stack of architectural patterns built up since 2022, each solving a failure mode the last one exposed. Here's the evolution, the five-stage loop cycle, the guardrails that are mandatory in production, and how to pick the right pattern for your team.
Read more18 Jul 2026 · 8 min read
agentic-ai
A practical Tech Lead guide to prompt injection attacks, jailbreaking, and defense patterns — with real 2026 incidents, code examples, and actionable mitigations for production AI agents.
Read more17 Jul 2026 · 6 min read
career-growth
Daily English practice for tech professionals. Morning session covering career growth vocabulary: negotiation, leadership presence, interview language, and promotion conversations.
Read more17 Jul 2026 · 6 min read
ai
When to fine-tune vs. prompt-engineer, which technique to pick in 2026 (LoRA, QLoRA, DPO), how to size your dataset, and how to wire the whole thing into a CI/CD quality gate that blocks regressions before they ship.
Read more16 Jul 2026 · 5 min read
english-lesson
Daily English practice for tech professionals. Morning session covering professional communication: meeting phrases, email language, giving feedback, and presentation vocabulary.
Read more16 Jul 2026 · 7 min read
ai-agents
Stateless agents are demos. Stateful agents are products. Here's the memory architecture stack that separates a useful AI agent from one that forgets everything between calls — and how to build it without rebuilding your whole infrastructure.
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