DEV Community • 2026-08-16 05:18

How do you unit test an agent skill?

Agent skills are prompts, not code, and there’s no compiler to catch a broken one. Agent skills ship on the honour system. You rewrite one, run it twice, post something convincing in Slack, and that’s the review. Is it faster? More reliable? Going to cost more? This isn’t a strategy. This is astrology for prompts. That bugged me. Not because I thought people didn’t know what they were talking ab...

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DEV Community • 2026-08-16 05:02

Building a Static Encyclopedia with 1,000+ Entries, 8 Languages, and Zero Backend

TL;DR I built a full-featured encyclopedia web app with 1,025 entries, 8 languages, and sub-second load times — all without a traditional backend. The trick? Mirror a public REST API as static JSON files at build time, deploy to Cloudflare Pages, and let the CDN do the heavy lifting. Stack: Next.js 15 · TypeScript · Tailwind CSS · next-intl · Cloudflare Pages The Problem ...

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newest submissions : multi • 2026-08-16 05:01

Big Manufacturers Find New Demand in Equipping AI Data Centers

submitted by /u/Willing_Activity_855 to r/technology [link] [comments]

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DEV Community • 2026-08-16 05:01

Building a High-Performance Daily Ledger API: Asynchronous Concurrency & Data Validation with FastAPI

When designing modern backend microservices, two pillars dictate the reliability and speed of your application: strict data contracts and non-blocking asynchronous execution. In this project, I built the Daily Ledger API —a lightweight, high-performance RESTful service built with Python 3, FastAPI, Pydantic, and AsyncIO. The service tracks, validates, persists, and concurrently analyzes daily nu...

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DEV Community • 2026-08-16 05:00

Dead Auto-Skills Were Padding Every Conversation: A Weekly Curator That Flags at 30 Days and Archives at 90

"Claude Code gets smarter the more you use it" is only half the story. The other half is that it gets heavier. Six months ago I was a university student making ¥100k a month. Juggling side jobs pushed that to ¥600k, and after being laid off I spent six months building an autonomous Claude Code environment. Today the business runs at ¥1.2M a month. Along the way, one problem hit me hard: skill rot...

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DEV Community • 2026-08-16 05:00

AI/ML Research Digest — Aug 02, 2026

Reliable provenance and graded trust Explicit reliability modeling cuts hallucination. Σ‑Mem stores symmetric competence states for peer agents, while LedgerMind adds a Structured Evidence Ledger that forces reasoning to cite provable tool outputs. Both pipelines let us evaluate answers systematically and keep track of where information came from [1], [2]. Why it matters: provenance ...

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DEV Community • 2026-08-16 05:00

AI/ML Research Digest — Jul 26, 2026

Self‑Improvement and Distillation for Autonomous Agents Verification loops that check every tool call and compress the agent’s state are now a core research direction. The recursive verification loop (AREX) shows that such self‑checking can raise multi‑hop reasoning performance dramatically [1]. On‑policy distillation methods let agents learn from their own successful trajectories, while self‑dist...

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DEV Community • 2026-08-16 05:00

AI/ML Research Digest — Jul 19, 2026

Efficient scaling and deployment Looped transformers with a principled residual‑scaling rule keep gradients stable enough to add depth without exploding the training signal [1]. The same paper shows that deeper passes improve language modeling while preserving inference speed. A separate system‑level trick copies verified key‑value entries into a frozen small model, reproducing logits exactly and ...

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DEV Community • 2026-08-16 05:00

AI/ML Research Digest — Jul 12, 2026

Long‑context efficiency via attention and KV‑cache tricks Redesigning attention lets models handle far longer sequences without extra FLOPs. Linear‑time recurrent attentions such as DeltaNet expand hidden capacity, while Sparse Delta Memory adds a sparse addressing layer that multiplies effective hidden state size under the same compute budget [1]. Dynamic RoPE scaling (Jet‑Long) and sp...

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DEV Community • 2026-08-16 05:00

AI/ML Research Digest — Aug 09, 2026

Mixture‑of‑Experts scaling for multimodal retrieval Large Mixture‑of‑Experts (MoE) models now handle multilingual text and long visual contexts without exploding token counts. By routing queries to a small active subset of experts, they keep inference cheap while preserving performance on cross‑modal tasks [1]. This matters because it lets developers build scalable search systems that support many...

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Flavio Copes • 2026-08-16 05:00

The Intersection Observer API

An in-depth tutorial on the Intersection Observer API: entries, thresholds, rootMargin, lazy loading, infinite scroll, scrollspy, visibility tracking, and the pitfalls to avoid.

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DEV Community • 2026-08-16 04:58

How I build a Next.js Tailwind marketing site in hours, not days

Getting a marketing page from blank canvas to production-ready in a single working day is repeatable once you have the right setup. This is the exact Next.js Tailwind workflow I use across client projects — design tokens as CSS custom properties, a small component library with firm conventions, and a page-building sequence that keeps decisions cheap. Why Tailwind v4 + CSS variables is th...

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DEV Community • 2026-08-16 04:54

I Built a 100% Free Alternative to Studio 3T + Compass

If you work with MongoDB every day, you've probably lived this cycle: you start with Compass because it's the "official" tool, hit its limits within a week, install Studio 3T, love the extra power, and then eventually run into the paywall. A single-user Studio 3T license runs well over a hundred dollars a year, and the free tier is capped hard enough that any real team ends up paying. I got tired...

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Resident Evil Requiem Physical Sales Show A Huge Demand For Discs In Various Countries - 55% of Requiem copies sold in France were physical, 51% in Japan, 43% in Australia, 40% in the UK
newest submissions : multi • 2026-08-16 04:51

Resident Evil Requiem Physical Sales Show A Huge Demand For Discs In Various Countries - 55% of Requiem copies sold in France were physical, 51% in Japan, 43% in Australia, 40% in the UK

submitted by /u/General_Dig_31 to r/technology [link] [comments]

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DEV Community • 2026-08-16 04:49

What Is DNS? A Simple Explanation for Beginners

Every time you type a website address into your browser, something happens behind the scenes that most people never think about. You type "google.com" and within a fraction of a second, your browser knows exactly which server on the internet to talk to. That process is powered by DNS. DNS Stands for Domain Name System DNS is often called the phonebook of the internet, and that comparison still h...

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DEV Community • 2026-08-16 04:42

I Just Wanted a WhatsApp Channel That Teaches Me One German Word a Day. It Took a Week and a Git History Rewrite.

Here's the thing nobody tells you about WhatsApp automation: the hard part was never the AI, and it was never the German. It was WhatsApp itself. I wanted something dumb simple - a WhatsApp Channel that posts one German word every morning, A1 level, with an example sentence and a mnemonic. Gemini can write that in a second. The actual project turned out to be an argument with WhatsApp's...

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DEV Community • 2026-08-16 04:39

PICK A PLATFORM, ANY PLATFORM...

// The Framework Shell Game // "Just pick one, they're all different!" // // 🥤 Angular? React in a trench coat. // 🥤 Vue? React with a fake mustache. // 🥤 Svelte? React playing dress-up. // 🥤 Solid? React with a different compiler. // 🥤 Qwik? React but it's "resumable" (still React). class frameworkShellGame() { private client_side_comps = react private client_side_hooks = react private cl...

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newest submissions : multi • 2026-08-16 04:36

looking for software appraisal

Hey all — I've been heads-down on a platform for a while and want an outside sanity check on the architecture and scope from people who've built comparable systems (health tech, telehealth, anything with HL7/DICOM or clinical workflow). What would you appraise a build like this for? What it does, high level: A patient orders a diagnostic imaging package online, gets scheduled at an imaging center,...

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DEV Community • 2026-08-16 04:35

"Cron 'every 2 weeks' doesn't exist. Here's the expression that actually works."

You just Googled "cron every 2 weeks" because your clean-up job keeps running weekly, and the cron docs are silent on the whole idea. That's not your fault — the 5-field format has no concept of week parity. There's no */2w, no every-other. But there's a day-of-month trick that gives you a real biweekly cadence, and it's not what most people write. The trap most people fall into. Writing 0 0 * *...

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DEV Community • 2026-08-16 04:32

Why My AI Time is 80% Orchestration: The ai developer role shift

This article was originally published on BuildZn. Everyone talks about AI transforming everything, but nobody explains what that actually means for a senior dev’s day-to-day. It’s not about just writing smarter prompts. The ai developer role shift hit me hard building FarahGPT. I spent weeks untangling emergent behaviors, not writing Flutter UI. The ai developer role shift is real, an...

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