Morning.dev

DEV Community • 2026-07-27 21:10

The Rusty Hobbit: Ownership System Explained for JavaScript Developers

The Quest Begins (The "Why") Hey friend, picture this: you’re happily writing a Node.js service, passing objects around like they’re candy at a parade. Everything works until one day you mutate a shared object in a helper function and suddenly your UI shows stale data, or worse, you get a mysterious Cannot read property 'map' of undefined that only appears in production. You spend hours...

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7m read

Vue.js - The progressive Javascript framework • 2026-07-27 21:10

Vael-ui - Vapor Ready Vue Components

In the past few weeks I've seen a LOT of UI libraries on this sub, so I thought I'd throw my hat in the ring too. I built vael-ui.dev (yes... vael was already taken), the first Vue Vapor component library! Vapor API is 1:1 with the VDOM components. If you want to switch rendering modes, it's literally just an import swap. import { createVaporApp } from 'vue' const app = createVaporApp(App) ...

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2m read

DEV Community • 2026-07-27 21:09

Passkeys Explained Simply

You’ve probably seen that little prompt that says “Sign in with Face ID” or “Use a passkey” instead of the traditional password field. That’s a passkey. And no, it’s not just a password hidden behind your fingerprint. The best password is the one you never have to type. The Problem with Passwords A password is a secret that you have to remember, and that the website has to store (id...

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6m read

DEV Community • 2026-07-27 21:07

Why We Run Every AI Pipeline in Its Own Process

The runtime boundary behind RocketRide's crash isolation, task lifecycle, and Cloud operations. By Krish Garg and Mithilesh Gaurihar At 9 a.m., with ten thousand users mid-session, a node in an AI pipeline dereferences a bad pointer. The process running it is gone before Python can raise a useful exception. That is an unpleasant failure, but it is not the question we care about most. The questi...

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7m read

DEV Community • 2026-07-27 21:02

The SEO advice of the past ten years doesn't work the way it used to

I still remember the spreadsheet. Keyword, search volume, difficulty score. Pick the keyword, hit the target density, write the meta description, done. I built entire client strategies around that sheet for years, and it worked well enough that I never questioned it too hard. I opened an old version of that spreadsheet last month while helping a client plan content for the fall. Half the columns ...

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4m read

ComfyUI, Package Hell, and Dependency Isolation: What You Need to Know

HackerNoon • 2026-07-27 21:01

ComfyUI, Package Hell, and Dependency Isolation: What You Need to Know

ComfyUI’s shared Python environment can turn incompatible model dependencies into “Package Hell”.

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1m read

Experienced Devs • 2026-07-27 20:57

Technical interview coaching?

Not looking for one-off mock interviews. I want someone who can assess where I'm actually at, build a personalized plan, and work with me over time until I feel genuinely confident going into a high-stakes interview. I have 7 years of experience, but interviews still make me very anxious. What always worked for me in high school and college was one-on-one tutoring, and I'm hoping to find that same...

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1m read

DEV Community • 2026-07-27 20:54

Can Google ADK Talk to Microsoft Foundry on Azure? A Cross-Cloud A2A Benchmark

This article provides a step-by-step guide to building and testing a cross-cloud currency agent. A coordinator hosted on Microsoft Foundry in Azure calls a Google ADK agent on Google Cloud over A2A v1.0, uses an MCP exchange-rate tool, and records what independent verification costs in latency. What is This Project Trying to Do? Most Agent-to-Agent (A2A) protocol demos stop at "look, th...

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9m read

Hacker News: Front Page • 2026-07-27 20:53

Bitcoin trail, Google cookies and Uber Eats orders help tie man to Steam malware

Article URL: https://www.theverge.com/games/967174/steam-game-malware-cryptostealer-arrest Comments URL: https://news.ycombinator.com/item?id=49075386 Points: 7 # Comments: 1

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1m read

Hacker News: Front Page • 2026-07-27 20:50

US DOT deleting bike lane references

Article URL: https://www.npr.org/2026/07/23/nx-s1-5900901/bike-lanes-dot-websites Comments URL: https://news.ycombinator.com/item?id=49075350 Points: 5 # Comments: 0

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1m read

Ego-Lite: The Open-Source Browser Built for Humans and AI Agents

DEV Community • 2026-07-27 20:50

Ego-Lite: The Open-Source Browser Built for Humans and AI Agents

Parallel Web Automation: Meet Ego-Lite AI coding agents are increasingly taking on web-based tasks—such as filing bug reports, checking deployment dashboards, and scraping documentation. However, traditional browsers were built strictly for human interaction. When an AI agent automates Chrome via Playwright or Selenium, it often steals focus, moves your mouse, or requires complex logi...

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2m read

DEV Community • 2026-07-27 20:50

The most-starred LLM trading paper claims buy-and-hold lost 5.23%. It actually gained 9.12%.

falsify-ledger.* TradingAgents (arXiv:2412.20138, ~94,700 GitHub stars) is probably the most visible "LLM agents trade stocks" project right now. The headline result: a multi-agent LLM framework earned a 26.62% cumulative return on AAPL with a Sharpe ratio of 8.21 between 2024-06-19 and 2024-11-19, while buy-and-hold supposedly lost 5.23% over the same window. That last number takes one API call...

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2m read

DEV Community • 2026-07-27 20:49

AI Changes the Tools, Not the Fundamentals

This may sound counterintuitive, but in the era of AI, less is more. AI can help anyone write code faster, but it can't replace an understanding of how production systems actually work. The competitive advantage isn't knowing more tools—it's understanding the fundamentals that every production application is built on. Mastering those fundamentals may be the way to do more with less. Every good ba...

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2m read

DEV Community • 2026-07-27 20:47

Usando o Claude como um recrutador técnico pessoal para encontrar minha próxima vaga

Introdução Percebi que gastava mais tempo procurando vagas do que realmente me candidatando. Todo fim de tarde era a mesma rotina: abrir o Indeed, digitar "desenvolvedor PHP", rolar dezenas de resultados quase idênticos, abrir cinco ou seis em novas abas, ler a descrição, comparar mentalmente com meu currículo e, na maioria das vezes, fechar a aba sem me candidatar porque "não parecia ...

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11m read

DEV Community • 2026-07-27 20:36

My LLM Kept Making Stuff Up on Resumes. Here’s How I Shut It Down.

I'm building NextStep — an AI thing that scores your resume against a job and rewrites it to fit. Two features, both completely dependent on the model not lying. And GPT-4o loves to lie. Two bugs made me stop trusting it: Score the same resume twice → 87, then 79. Cool, so the number means nothing. Ask it to "optimize for this DevOps role" → it adds "Managed production Kubernetes clusters" to a ...

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4m read

Product Hunt — The best new products, every day • 2026-07-27 20:34

/mission for Claude Code

Give Claude Code missions to spawn a team of agents Discussion | Link

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1m read

DEV Community • 2026-07-27 20:23

Fix Your Search, Fix Your RAG Output

I watched a customer demo their new RAG application last month. They had spent three months building it. The interface was beautiful. The LLM responses were eloquent and well-formatted. And almost every answer was subtly, confidently wrong. “The model keeps hallucinating,” they told me, frustrated. They had tried three different LLMs. They had adjusted temperature settings. They had rewritten the...

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8m read

Hacker News • 2026-07-27 20:18

Show HN: Full complex text shaping and rendering on ESP32 with 320KB usable RAM

Comments

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1m read

Hacker News: Front Page • 2026-07-27 20:15

Forth

Article URL: https://xkcd.com/3277/ Comments URL: https://news.ycombinator.com/item?id=49074991 Points: 15 # Comments: 3

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1m read

Hacker News: Front Page • 2026-07-27 20:14

Platform engineering 2.0 mitigates AI security and compliance risks

Article URL: https://platformengineering.org/blog/how-platform-engineering-2-0-mitigates-ai-security-and-compliance-risks Comments URL: https://news.ycombinator.com/item?id=49074974 Points: 3 # Comments: 1

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1m read