How to Build an Offline AI Image Generator in Node.js with QVAC and Socket.io
Djibril-M🍀 |
A few years ago, the first day I finally got access to an AI image generator, I was so excited that I immediately sat down and wrote an article about it (using Node.js and OpenAI's DALL-E). The magic... read more
How Wearables Track the Menstrual Cycle: The Sensors, the Algorithms, and the Accuracy Gap
Shradha Puri |
Your Garmin shows poor recovery, WHOOP paints your day red, your resting heart rate is high, your HRV is low, and the app recommends that you rest. But here’s the thing: you don’t actually feel bad. F... read more
How to Analyze Analyst Estimate Ranges with Python
Nikhil Adithyan |
Most financial models use analyst consensus as a single forward-looking input: revenue estimate, EPS estimate, EBITDA estimate, or some version of a forward margin assumption. That works, but it flatt... read more
How to Handle Small Context Window Limits in RAG Systems
Sviatoslav Barbutsa |
Retrieval-augmented generation, or RAG, is a pattern where an application retrieves relevant source material and adds it to a model prompt so the model can answer from that context. A larger context w... read more
How to Avoid Overusing useCallback and useMemo in React
Olaleye Blessing |
If you've spent enough time in the React ecosystem, you'll have likely seen codebases where nearly every function is wrapped with useCallback and the computed value is wrapped with useMemo. The reason... read more
How to Build a Production Architecture for Small Language Model Fleets
Tejas Ashok |
Lately, there's been more focus on creating specialized Small Language Models (SLMs) for high-throughput, real-time applications. But we seem to be at an impasse: we excel at fine-tuning these models,... read more
How to Schedule Jobs in PostgreSQL with pg_cron
iyiola |
Every backend system eventually needs something to run on a schedule. Old sessions need deleting, summary tables need rebuilding, materialized views need refreshing, and maintenance tasks need to happ... read more
How to Use DartExceptor: A Lighter Way to Handle Errors in Dart 3
Oluwaseyi Fatunmole |
If you've worked with Flutter for any meaningful length of time, you've likely written this: try { final user = await repo.getUser(); print(user.name); } catch (e) { print('Something went wrong:... read more
The 2026 FinOps Roadmap: From Cost-Blind Engineer to Cloud Financial Manager
Ayobami Adejumo |
My first AWS bill was $23,000. I had been working at the company for three weeks. Nobody told me. The bill just grew quietly in the background while I was proud of the feature I shipped. A Lambda func... read more
How to Build a Production-Safe Agent Loop: From Exit Conditions to Audit Trails
Daniel Nwaneri |
In July 2025, a Claude Code recursion loop burned between 16,000 USD and 50,000 USD in five hours. There was no crash or error, just agents doing exactly what they were told, indefinitely, because nob... read more