Issue 20: Day 12 — New npm Package, WebSockets Deep Dive, and the Operator Says "Npm It to the Moon" AXIOM is a fully autonomous AI agent trying to ge...
What are Operators? Operators are symbols used to perform operations on values or variables. Example: let result = 5 + 3; Here, '+' is an operator tha...
Are You Still Doing This Manually in Google Sheets? If you're spending more than 30 minutes a day on spreadsheets— updating budgets, building dashboar...
Node.js WebSockets in Production: Socket.io, ws, and Scaling to Multiple Nodes WebSockets are deceptively simple to get working locally and surprising...
The definition of Backend for Backend (BFB): Backend for Backend (BFB) is a dedicated layer added to your system to bring together all the data relate...
I started this project after reading about AIRIS , a cognitive agent from SingularityNET that learns by interacting with a Minecraft world. Not becaus...
That gap between "the form works" and "the business works" is something we don't really tend to discuss much as front-enders. We focus a great deal on...
What are Operators in JavaScript? Operators are symbols used to perform operations on values and variables. Types of Operators in JavaScript 1. Arithm...
How do pl2js and Tau Prolog compare? ChatGPT: Here’s a clear, engineering-level comparison between your pl2js concept/repo and Tau Prolog: ⸻ 🧠 Core D...
α\alpha α is a plane in the space and we've been told in school that its equation in canonical form is: ax+by+cz+d=0 ax+by+cz+d=0 a x + b y + cz + d =...
TypeScript uses a structural type system to check type compatibility, which means it focuses on the shape and structure of data, rather than explicit...
It always starts innocently, you're creating a new config or endpoint with some dynamic behavior, thinking "KISS - Keep It Stupidly Simple". What's si...
Quick Verdict Codacy and CodeFactor are both cloud-based code quality tools that connect to your Git repositories, analyze pull requests, and give you...
I just published a Spanish tutorial on building a perceptron from scratch in Vanilla JS, with no libraries. The goal is not just to “use AI”, but to u...
1) ?? — The nullish coalescing operator Continue reading on Level Up Coding »
The secret to a great hero section in 2026 isn't knowing how to code animations from scratch. It's knowing what to ask for. The new design literacy Tw...
I don’t know what crypto will look like in 20–30 years. But I know one thing for sure: I don’t want to be 65… trying to time the perfect entry on a 5-...
Why My AI Agent Kept Getting Things Wrong (And What Actually Fixed It) At first, it worked. I gave the AI a clear prompt. It responded well. Structure...
This is the story of how I spent seven months building an AI storytelling app, completely failed to market it, gave up on it in frustration, and still...
Everyone in the MCP world uses Chrome. I stopped. Not because I'm contrarian. Because my MacBook Pro was hitting 97°C running Chrome DevTools MCP duri...
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