Private-labs

Posted on July 1, 2026

Qdrant + Embeddings + LLM + Orchestration: The RAG Stack That Keeps Your AI Grounded

Qdrant + Embeddings + LLM + Orchestration: The RAG Stack That Keeps Your AI Grounded One-line verdict: This four-layer stack — index documents in Qdrant, encode meaning with an embedding model, retrieve by semantic similarity, generate with an LLM — solves hallucination at the source: your AI answers from documents you control, not from a

Posted on July 1, 2026

The Lean Startup by Eric Ries — Book Review

The Lean Startup by Eric Ries — Book Review I picked up this book expecting another Silicon Valley hype fest. What I got instead was a surprisingly rigorous methodology that changed how I think about building anything — not just tech companies. The Core Argument Eric Ries argues that most startups fail not because they

Posted on July 1, 2026July 1, 2026

How to Fix Port Already in Use (EADDRINUSE) Errors in Node.js

How to Fix Port Already in Use (EADDRINUSE) Errors in Node.js You run node server.js and immediately hit this wall: Error: listen EADDRINUSE: address already in use :::3000 Your server never starts. Something else is already holding port 3000 hostage, and Node.js can’t claim it. This is one of the most common friction points in

Posted on July 1, 2026July 25, 2026

What I Got Wrong Pricing My First Digital Product

What I Got Wrong Pricing My First Digital Product My first digital product launched at $19. I picked that number in about four minutes, based on absolutely nothing. It felt “accessible.” It felt “fair.” It felt like the kind of price that wouldn’t scare anyone off. It scared off zero people. It also generated $47

Posted on July 1, 2026July 25, 2026

The Pragmatic Programmer, Re-Read in the Age of AI Pair Programming

The Pragmatic Programmer, Re-Read in the Age of AI Pair Programming I first read The Pragmatic Programmer in 2019, the year Hunt and Thomas released the 20th anniversary edition. At the time I treated it the way most developers treat classic texts: a checklist of good habits to absorb, nod at, and then promptly forget

Posted on June 30, 2026July 25, 2026

Fixing EACCES Permission Errors on WSL2 (When /mnt/c Fights Back)

Fixing EACCES Permission Errors on WSL2 (When /mnt/c Fights Back) Last month I spent three hours debugging what I thought was a Node.js issue. npm install kept spitting out EACCES: permission denied, mkdir '/mnt/c/projects/myapp/node_modules'. I ran it as root. Same error. I ran chmod -R 777. Still failing. I was convinced something was deeply broken

Posted on June 30, 2026July 25, 2026

I Built a 6-Agent AI Team in tmux (Here’s What Actually Happened)

I Built a 6-Agent AI Team in tmux (Here’s What Actually Happened) I want to tell you about the week I stopped coding alone. Not in the “I hired a contractor” sense. I mean I spun up six instances of Claude Code across a tmux grid, assigned each one a role, and watched them coordinate

Posted on June 21, 2026June 21, 2026

How to Build a Profitable AI Micro-SaaS as a Solo Developer (First $1K MRR Playbook)

How to Build a Profitable AI Micro-SaaS as a Solo Developer (First $1K MRR Playbook) Most “make money with AI” advice stops at the demo. You wire up an API call, the output looks impressive, you post a screenshot, and then nothing happens — because a demo is not a business. A micro-SaaS is different.

Posted on June 21, 2026July 1, 2026

Obsidian + LLM + Git + Quartz: The Pipeline That Turns Your Private Notes Into Public Knowledge

Obsidian + LLM + Git + Quartz: The Pipeline That Turns Your Private Notes Into Public Knowledge One-line verdict: This four-stage pipeline — capture in Obsidian, compile with an LLM, preserve in Git, publish with Quartz — solves a different problem than personal AI memory: it gets your accumulated knowledge out of a private folder

Posted on June 12, 2026June 12, 2026

Create Slides with Marp: Finish Your Presentation in Markdown, No PowerPoint Needed

Create Slides with Marp: Finish Your Presentation in Markdown, No PowerPoint Needed One-line verdict: Marp turns a single Markdown file into a presentation and exports it to PDF, PPTX, or HTML. Instead of fighting a design tool, you stay focused on the words — and because it’s a plain text file, your slides are version-controlled