DEV Community • 2026-08-01 22:02

Understanding Java Virtual Threads: Lightweight Concurrency in Modern Java

Understanding Java Virtual Threads: Lightweight Concurrency in Modern Java Java 21 introduced one of the most significant changes to the platform's concurrency model in years: virtual threads, delivered as part of Project Loom (JEP 444). If you've ever struggled with thread pool tuning or hit scalability walls with blocking I/O, virtual threads are worth understanding. The Pro...

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DEV Community • 2026-08-01 22:00

From Software Engineer to AI Engineer - Part 3: Giving it a hand

As we have seen, models are conceptually quite simple: a list of input messages goes in and the model predicts the next token repeatedly to form the output message. It can't reach the internet or your database or Slack. And it cannot reliably do arithmetic or (cringe example incoming) tell you the number of r's in 'strawberry' - remember from part 1 that it never sees the letters, only token IDs. ...

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DEV Community • 2026-08-01 22:00

The trillion-dollar AI hole: where is the revenue?

The massive infrastructure investments in AI data centers will not return back to investors anytime soon. In fact, we are looking at one of the biggest capital misallocations in tech history. The math is brutal: The Capital Spend: Tech hyperscalers (Microsoft, Alphabet, Meta, Amazon) are on track to spend over $700 Billion on AI capital expenditures. The Revenue Gap: Analysts at Sequoia Capit...

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DEV Community • 2026-08-01 21:50

Cluster 4: #10 testes rápidos e independentes, #13 simplicidade e refatoração contínua

Introdução Esse cluster é diferente dos outros três: ele não previne um tipo de bug, ele sustenta a capacidade de manter os outros nove princípios ao longo do tempo. A segunda lei de Lehman, a Lei da Complexid...

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DEV Community • 2026-08-01 21:49

Cluster 3: #8 distância do framework, #11 organizar por ator, #9 constructs corretos

Introdução A restrição já está posta pelo artigo: a Lei da Mudança Contínua de Lehman (1974) — todo sistema em uso real será solicitado a mudar, indefinidamente, e a única pergunta em aberto é se essa mudança sai barata (alteração localizada) ou cara (reescrita). Os três princípios desse cluster não impedem a mudança — não tem como impedir que ela chegue —, eles atacam a fonte de onde e...

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DEV Community • 2026-08-01 21:49

Cluster 2: #5 funções puras, #7 evitar null/booleanos, #12 command query separation

Introdução Como já dito anteriormente: A restrição: quando o comportamento de uma função depende de estado invisível no momento da leitura (uma variável global, um efeito colateral escondido atrás de uma "consulta", uma flag booleana cujo significado não está no call site), reproduzir um bug exige reconstruir todo esse contexto invisível — e é exatamente por isso que esses bugs consomem...

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DEV Community • 2026-08-01 21:48

Your Dashboard Is Just a Data Model Wearing a Chart

Every dashboard project I have taken on was described to me as a front end problem. Charts, filters, a date range picker, maybe a CSV export. Then you open the codebase and find out the charts were never the problem. I work as a fractional CTO on a React, TypeScript and GraphQL app at Bettershop Consulting that puts an admin dashboard and analytics in front of Amazon sellers. On paper it is plumb...

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Hacker News • 2026-08-01 21:48

Show HN: Evidence-to-Skill – a gate between untrusted sources and agent skills

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DEV Community • 2026-08-01 21:42

Lucide vs Tabler vs Phosphor: Which Free Icon Set Fits Your UI?

Lucide, Tabler Icons, and Phosphor are three of the most recommended open-source icon libraries, and they come up together in almost every "which icon set should I use" thread. All three are permissively licensed, actively maintained upstream, and fully browsable on svgicons.com, so you can compare the actual vectors side by side before committing your project to one visual language. The numbers ...

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Hacker News: Front Page • 2026-08-01 21:37

The 14 Steps it takes to open my office door with a new phone

Article URL: https://shub.club/writings/2026/august/14-steps-to-open-a-door/ Comments URL: https://news.ycombinator.com/item?id=49138731 Points: 9 # Comments: 4

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DEV Community • 2026-08-01 21:34

AI collapsed my job into three roles and I had to relearn all of them

A message landed in my inbox a few months back. New scope, same title. Frontend, backend, and QA, folded into one role, because the team now had AI to cover the rest. I had shipped backend work for years. The frontend half of our codebase, and the QA half, I had barely touched. Reading someone else's frontend patterns for the first time, at speed, with a deadline attached, is its own skill and I ...

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Hacker News • 2026-08-01 21:31

Show HN: Copy any website pixel perfect

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DEV Community • 2026-08-01 21:28

Reducing Involuntary Churn Through Smarter Dunning: A Product Case Study

A note before you read: I'm a Scrum Master, not a titled Product Owner. What follows is my own product thinking, applied to a domain I know well from sitting close to subscription billing systems in my day-to-day work. It's built on general, publicly known patterns in subscription billing, not on any employer's proprietary data. I'm sharing it because I think the best way to show you can do a job ...

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DEV Community • 2026-08-01 21:25

How to Verify AI Agent Work: State Machines, Approval Gates, and Least-Privilege Access

Two security stories from July 2026 make the same point about AI agents. Hugging Face disclosed that an autonomous agent spent 4.5 days moving through its production systems, executing roughly 17,600 actions, including reading test solutions from a production database. Google announced its AI tooling fixed 1,072 Chrome security bugs in June, more than the 1,036 fixed in the previous two years com...

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DEV Community • 2026-08-01 21:24

How to Use SVG Icons in React, Next.js, and Tailwind CSS

There are exactly three sensible ways to get an SVG icon into a React codebase: paste it inline as a component, import the file through a build transform like SVGR, or reference it from a sprite. Most projects need only the first. This guide walks through the inline approach with Next.js and Tailwind specifics, and points to the deeper guides where a topic deserves its own article. Optio...

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DEV Community • 2026-08-01 21:19

From Skewer to Screen — A Tandoori Paneer Landing Page

This is a submission for Frontend Challenge - Comfort Food Edition, Perfect Landing *What I Built: * I built Ember & Spice which is an interactive landing page celebrating Tandoori Paneer Tikka, one of North India's most iconic comfort foods. The site is built for a fictional restaurant of the same name and brings the dish to life through immersive visuals and interactive features. *The page...

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The Comfort Atlas: What Does Home Taste Like?
DEV Community • 2026-08-01 21:19

The Comfort Atlas: What Does Home Taste Like?

This is a submission for Frontend Challenge - Comfort Food Edition, Perfect Landing What I Built The Comfort Atlas is a spinning 3D globe of comfort food from ~100 countries. Virtually travel the globe and have a taste of the comfort foods from 100~ countries. Moussaka in Greece, Jollof Rice in Nigeria, Pho in Vietnam. There is also a "featured dish of the day" that rotates determi...

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FLUX 3 Multimodal AI: How Black Forest Labs’ Model Beats Seedance 2.0 and Grok
SitePoint • 2026-08-01 21:18

FLUX 3 Multimodal AI: How Black Forest Labs’ Model Beats Seedance 2.0 and Grok

Black Forest Labs' FLUX 3 pioneers unified multimodal generation—beating Seedance 2.0 and Grok Imagine. Continue reading FLUX 3 Multimodal AI: How Black Forest Labs’ Model Beats Seedance 2.0 and Grok on SitePoint.

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The KV Cache Survival Guide: Why Your GPU Runs Out of Memory with Local LLMs
SitePoint • 2026-08-01 21:18

The KV Cache Survival Guide: Why Your GPU Runs Out of Memory with Local LLMs

Addresses the #1 pain point for developers using local LLMs: VRAM bottlenecks. Explains why GPUs run out of memory mid-conversation and provides a visual calculator for model weights + KV cache + overhead. Continue reading The KV Cache Survival Guide: Why Your GPU Runs Out of Memory with Local LLMs on SitePoint.

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Android Dev Verification: Is Google's New Rule a Security Win or Dev Burden?
SitePoint • 2026-08-01 21:18

Android Dev Verification: Is Google's New Rule a Security Win or Dev Burden?

Critiques the policy's impact on indie devs and explores sideloading alternatives. Continue reading Android Dev Verification: Is Google's New Rule a Security Win or Dev Burden? on SitePoint.

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