Public Technical Lab

Notes, projects, and traces from software work.

I use this place as an index for things I am trying to understand or ship: architecture notes, AI workflows, product experiments, and build logs.

Projects

Current objects on the bench. Exposed enough to show direction, not inflated into case-study theater.

artifact / 001 Signal extraction experiment No Noise Letter Source-aware private briefings: set the topics once, then get a calm newsletter with the useful signal cut out of the feed noise. TYPESCRIPTREACTFASTIFYAI artifact / 002 Directory platform MyDanceDNA A search surface for dancers to find schools, instructors, and courses by style, location, or price. PYTHONFASTAPIREACTPOSTGRESQL artifact / 003 Service site Szewc Online Online shoe repair presence for a local cobbler: explain the repair, arrange contact, and support shipping from across Poland. REACTTAILWINDVITE

Archive

All public notes remain available from this index.

2026

APR 27 On How To Write Software AI SLOP MAR 05 Skills, Specs, Loops and AI workflows MAR 01 AI Tooling, Skills & Modular Code — March 2026 Thoughts

2025

DEC 22 Composition Over Copy-Paste: Building Reusable Behaviors with Type Discriminators in SQLAlchemy SEP 27 Building Feature Flags: What I Learned Building My Own SEP 21 Stop Property Drilling in FastAPI: Use Request-Level Globals JUL 06 Availability Archetype in Practice JUL 01 Pydantic Query Params: Handling Comma-Separated Lists with Enum Validation JUN 17 How I Fixed My Event Bus Before It Could Lose Money JUN 07 Build a Policy-Based Access System in Python MAR 02 I want to build a startup - how I use AI and my first ideas. JAN 30 Simple Yet Powerful: Building an In-Memory Async Event Bus in Python

2024

SEP 28 Local Development Server for AWS SAM Lambda Projects AUG 06 Chat with HTMX, WebSockets and Hono AUG 01 Instant Message Display in Chat Apps with htmx MAY 23 Creating Lucy: Developing an AI-Powered Slack Assistant with Memory MAY 15 Creating Lucy: Your Daily Tasks, Delivered with ChatGPT and Todoist Integration

2023

DEC 31 Spiral Indexing APR 30 Streamline Your Log Monitoring with Tail Gazer: A One-Stop Solution for Tailing Multiple Service Logs

2022

APR 16 Ethereum ICO - Minted Crowdsale APR 07 Coding my first Ethereum token

2021

JUL 20 Django polymorphic - playing with models inheritance in Django APR 23 Calling SAP RFC modules from Python - what you need to remember APR 22 Build your own event system in python APR 07 Maping coordinates from video frame to technical projection APR 06 Mocking API in Python