Development

A QR Code Does Not Expire. The Service Behind It Might.

A printed QR code has no battery, subscription, or hidden expiration date. If the pattern is still r…

Build a Web Scraper and Sell the Data: A Step-by-Step Guide

Build a Web Scraper and Sell the Data: A Step-by-Step Guide Web scraping is the process of automat…

I Explained My Code While Writing It on Camera. Here’s What Surprised Me

Recently, I decided to start recording my screen while I code. Instead of just sharing the finished …

How I Cut Debugging Time in Half: 4 Practices That Actually Work

How I Cut Debugging Time in Half: 4 Practices That Actually Work I used to spend hours chasing bug…

Real-Time ECG Denoising with W…

Originally published at norvik.tech Introduction Explore the mechanics of real-time ECG…

Service-to-Service Communication — gRPC vs REST

One-liner: REST uses JSON over HTTP/1.1 and is human-readable; gRPC uses binary Protocol Buffers ove…

From Spreadsheet to SaaS: How I Built a Free Landing Page SEO Checker in a Weekend

I've been building SaaS tools for a while now, and one pattern I keep seeing is this: developers spe…

Converting SVG strokes to fills in the browser: the geometry problem nobody warns you about

A while back I was building an icon font with IcoMoon. I dragged in my SVGs, hit generate, and about…

I scored 91 websites against a 40-check design contract. Zero got an A.

We scored 91 websites across 5 industries — fintech, AI/ML, SaaS, design tools, and developer platfo…

Free Tool: Add a Branded Shipment Tracking Widget to Shopify

As developers and store owners, we spend a massive amount of time optimizing the checkout flow. We A…

RAGflow vs Dify vs Firecrawl: I Tested All Three So You Don't Have To

\n Direct answer: RAGflow (87,000 ★, Apache-2.0), dify (151,640 ★), and Firecrawl (162,514 ★, AGPL-3…

Firecrawl vs LLM-Scraper: The No-Code Web Scraping Decision for AI People

# Firecrawl vs LLM-Scraper: The No-Code Web Scraping Decision for AI People\n\nDirect answer (verif…