<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>tensorOwl</title><description>Writing on AI engineering, RAG, and LLMOps.</description><link>https://tensorowl.dev/</link><item><title>Before You Reach for a Vector Database: Keyword Retrieval in the Agent Era</title><link>https://tensorowl.dev/writing/keyword-retrieval-in-the-agent-era/</link><guid isPermaLink="true">https://tensorowl.dev/writing/keyword-retrieval-in-the-agent-era/</guid><description>Why do the strongest coding agents mostly reach for grep instead of a vector database? Notes on keyword retrieval, BM25, SQLite FTS5, Chinese tokenization, and why — in the agent era — retrieval is a workflow. Ending with the bigger shift from RAG to context engineering.</description><pubDate>Mon, 01 Jun 2026 00:00:00 GMT</pubDate></item><item><title>I vibe-coded this whole site from my phone</title><link>https://tensorowl.dev/writing/vibe-coding-this-site-from-my-phone/</link><guid isPermaLink="true">https://tensorowl.dev/writing/vibe-coding-this-site-from-my-phone/</guid><description>From buying the domain on Spaceship and deploying on Cloudflare&apos;s free plan, to driving Claude Code from my phone, reviewing and merging PRs on GitHub, and wiring up GA4 and Google Search Console — I built this entire site without a laptop. How far phone-only &quot;vibe coding&quot; can actually go in 2026.</description><pubDate>Sat, 30 May 2026 00:00:00 GMT</pubDate></item><item><title>Python 101: The Syntax You Actually Need Before Your First AI Project</title><link>https://tensorowl.dev/writing/python-101-for-ai/</link><guid isPermaLink="true">https://tensorowl.dev/writing/python-101-for-ai/</guid><description>Variables, conditionals and loops, lists and dicts, functions, and how to read a program — the core Python you&apos;ll actually use before building an AI project, with runnable examples. A follow-up to the NTU AI Club&apos;s first class.</description><pubDate>Fri, 29 May 2026 00:00:00 GMT</pubDate></item><item><title>Setting Up Your AI Dev Environment from Scratch</title><link>https://tensorowl.dev/writing/setting-up-your-ai-dev-environment/</link><guid isPermaLink="true">https://tensorowl.dev/writing/setting-up-your-ai-dev-environment/</guid><description>For people who&apos;ve never written code — from why Python, to the difference between an IDE and a terminal, to installing Python, package management, and the API-key mistake that&apos;s easiest to make. This was my first class at the NTU AI Club.</description><pubDate>Thu, 28 May 2026 00:00:00 GMT</pubDate></item></channel></rss>