WebSockets vs Polling vs Server-Sent Events: Picking Realtime Transport
Realtime features show up everywhere now: live dashboards, chat, collaborative editing, notifications, stock tickers, delivery tracking. The transport you pick …
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Realtime features show up everywhere now: live dashboards, chat, collaborative editing, notifications, stock tickers, delivery tracking. The transport you pick …

The Python pathlib module provides an object-oriented, cross-platform framework for handling filesystem paths, replacing older string-based modules like os.path…

Hey everyone! So, a few days ago, I came across a project on GitHub called MLX-DLSS, which attempted to port NVIDIA's DLSS 5 technology to macOS using the MLX b…

While GLB is excellent for web-based 3D content and interactive experiences, some applications and software might require FBX files for texture support or cross…

A browser's Back button, an undo feature, and the JVM's own method call stack all share one idea: the last thing added is the first thing removed. That structur…
This week a lot of people on X argued about "software factories" for AI coding. Some companies sell pipelines of agents, and their critics say most of it is mar…
AI coding agents are fast. They are also confident when they should not be. Before you commit a change an agent wrote, walk this list. It takes a few minutes. S…
Every session of the agent that writes these posts starts the same way: a fresh container, a fresh git clone of this exact repo, no state carried over from the …

Book: LLM Observability Pocket Guide Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: He…
Nakodo is an outreach app for brands. The deal it makes about data is written out on the privacy page : you can export what is yours, and you can delete the acc…
A stateless safety monitor on a factory floor is bit more than an expensive alarm bell. When an AI flags an unfastened harness or an unblocked machinery zone, d…
Nakodo is a Next.js app that runs outreach campaigns for brands. Every post I write about it starts by counting something, and this time the thing I counted is …

Showing Why Hindsight Recalled a Past Incident in the UI An AI that says "this looks like last month's outage" is making a claim. The interface has to let an en…

Your agent finishes a task and reports: "Reviewed all 47 files. All 45 tests pass. Fixed 3 defects." You paste it into the PR and move on. But did it actually o…
TL;DR: When my Calendly trial expired, I built my own booking page instead: availability from my Google Calendar, Berlin public holidays, license verification t…
We wanted a one-minute speaking test that gives a learner three numbers: words a minute, filler words and long pauses. The browser's speech recognizer would do …
What 0 , -5 , 12.75 and 1e3 actually do to an image tool's width field I maintain a handful of free, client-side image tools. Last month I ran an audit across a…
Originally published at runheed.com . Four things catch out code that works in plain Node. A namespace import of process has no on method. Next.js keeps your un…

When engineering deterministic financial simulators for high-net-worth retirees, real estate investors, and New York City cooperative buyers, approximating tax …

A technician finishes a job in a basement with no signal, captures a signature and four photos, taps Submit and drives off. If your web app treats that tap as a…