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Most developers look at a small real-time app like this and think it is mainly a frontend exercise. Poll an API, move an icon on a map, done. That wor
Hey DEV Community 👋, In my last post about building Nexus LMS (an enterprise-grade backend using NestJS 11 and Notion as a Headless CMS), I got a ver
In my last post, I introduced Agentest, a Vitest-style testing framework for AI agents. Let's put it to work on something concrete: a LangChain tool-
I spent this week building a YouTube pipeline UI — upload queue, analytics dashboard, search with metadata editing — inside a marketing platform that
Route protection in TanStack Start doesn't have a built-in auth guard out of the box, but combining a Zustand store with a layout route gives you a cl
One of the things I appreciate most about Directus is that authentication is built in. Registration, login, email verification, and password reset — a
A few months ago I was prototyping an agent that needed to make purchases -- API credits, small SaaS subscriptions, that kind of thing. I started wiri
Last post covered variables, methods, blocks, and classes. Now let's talk about the data structures you'll actually use every day: arrays, hashes, and
You don't need to master Ruby before touching AI. You need just enough to read code, write functions, and not panic when you see a block. This is tha
What My Continuity-First AI Memory Benchmark Actually Showed I’ve spent a stupid amount of time thinking about AI memory. Not just “how do
The (natural) language we use is influenced by how we feel and what we think, but it also works the other way: just by the way we approach things, we
When I loaded up this site this article sat at the top of the feed. https://dev.to/sylwia-lask/how-i-almost-burned-out-doing-everything-right-31j6? W
Recursion is a method where a function calls itself repeatedly until a stopping condition is reached. 1) 1 1 1 1 1 Flowchart Pyth
I am building a browser that will never render a single pixel. No address bar. No tabs. No bookmarks. No window at all. Nobody will ever "open" Plasm
I'm building RunHop in public — a social + event platform for running races, built on NestJS. Today I finished the organization and membership e2e te
console.log works until it doesn't. In production, you need to answer questions like: "Why did this request fail for user 4821 at 3:14am?" — and conso
The problem Every time I wanted to trade forex or crypto, I had the same friction: open TradingView, look at RSI, look at MACD, look at EMA
We built a Google Ads CSV analyzer that finds wasted spend and suggests optimizations. The twist? Everything runs in the browser. No server uploads. N
A $17 “done-for-you” puzzle business system. Is it actually worth it? The Pitch (What This Product Claims) At its core, this is a PLR (Private Label
Your Pipeline Is 19.7h Behind: Catching Artificial Intelligence Sentiment Leads with Pulsebit We just discovered a fascinating anomaly in s