DEV Community • 2026-08-03 03:09

Atomic Money: Making a PHP/MySQL Wallet Safe Under Concurrency

The lost-update bug that quietly corrupts homegrown wallet balances — and the five disciplines we used across PayWithToken to make money movement correct under concurrency. There is a bug that lives in a large share of the world's homegrown wallet systems. It doesn't throw an error. It doesn't show up in tests. It surfaces months later as a balance that is quietly, inexplicably wrong — and in a p...

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Relying On Cloud AI Is Dangerous But Sovereign Local AI Is An Unstoppable Force
HackerNoon • 2026-08-03 03:07

Relying On Cloud AI Is Dangerous But Sovereign Local AI Is An Unstoppable Force

Washington switched off frontier AI for every foreign national in 90 minutes. Why every country and enterprise now needs its own local, sovereign LLM.

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DEV Community • 2026-08-03 03:07

Building Three Privacy-First Mini Apps That Feel Like Standalone Products

Building Three Privacy-First Mini Apps That Feel Like Standalone Products PureHub is an open-source collection of 22 free, ad-free mini apps. This release focuses on a simple product question: can a mini app inside a hub still feel dependable, focused, and complete? QR Studio The web scanner now supports a live camera and uploaded images through local decoding. Scan history ...

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Hacker News: Front Page • 2026-08-03 03:06

AI migrated legacy COBOL programs to Java, bugs included

Article URL: https://arxiv.org/abs/2607.28271 Comments URL: https://news.ycombinator.com/item?id=49150773 Points: 5 # Comments: 0

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DEV Community • 2026-08-03 03:05

30 technical interview questions, explained the way you'd actually say them

30 Technical Interview Questions You Should Be Able to Explain Out Loud (JS / React / Node) Most interview prep content gives you a definition. Real interviews test something different: can you explain your reasoning clearly, out loud, under a little pressure — not just recite the right words. I put together 30 questions across JavaScript, React, and Node.js. Every answer here is writt...

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The Mini PC Market Was a Mess. So This Developer Built a Better Comparison Tool.
DEV Community • 2026-08-03 03:04

The Mini PC Market Was a Mess. So This Developer Built a Better Comparison Tool.

How one frustrated shopper turned a spreadsheet nightmare into a community-powered resource that's saving buyers hours of research. If you've ever shopped for a mini PC, you know the drill. Open a dozen retailer tabs. Copy specs into a spreadsheet. Squint at product titles that hide critical details. Try to figure out whether that $299 model has soldered RAM or upgradeable slots. Giv...

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DEV Community • 2026-08-03 03:03

What I got wrong building a browser extension with an AI assistant

First hour with Claude's browser extension: I pointed it at our LLC registration and watched it work through the forms, finding the right pages, filling the fields, moving on. I sat there holding a coffee, contributing nothing. I thought: I'm going to ship so many products. I shipped one. Here's what happened in between. Everything below was caught before launch. None of it was caught by being ...

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Hacker News • 2026-08-03 03:02

Show HN: AI Visibility: Check whether ChatGPT/Claude/Gemini recommend your brand

Comments

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Hacker News: Front Page • 2026-08-03 03:00

Apple engineer says he was fired after refusing to send cust. device IDs to AT&T

Article URL: https://runtimewire.com/article/exclusive-apple-engineer-says-he-was-fired-after-refusing-to-send-customer-devic Comments URL: https://news.ycombinator.com/item?id=49150738 Points: 22 # Comments: 1

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DEV Community • 2026-08-03 03:00

RAG Retrieval Accuracy: 38%. After the Fix: 87%. The Model Was Never Touched.

That's a rebuild I shipped. The system: a RAG assistant for fraud analysts — ask it "how do we handle card testing followed by a successful auth?" and it should answer from the team's own SOPs and case history. The complaint: the answers were wrong, therefore the model must be dumb, therefore procurement should buy a bigger model. The model was fine. It was answering perfectly — from garbage cont...

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Product Hunt — The best new products, every day • 2026-08-03 02:46

Murmell

Cloud canvas where your team and AI agents works together Discussion | Link

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Product Hunt — The best new products, every day • 2026-08-03 02:39

npm i -g hotcell

Local sandboxes for AI agents on your Mac, Linux, bare metal Discussion | Link

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Russia debuts anti-Starlink EW system that can blind terminals by overloading 'satellites' receiving antennas'
newest submissions : multi • 2026-08-03 02:32

Russia debuts anti-Starlink EW system that can blind terminals by overloading 'satellites' receiving antennas'

submitted by /u/Logical_Welder3467 to r/technology [link] [comments]

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AI and chips are turning Malaysia into Asia’s growth standout
newest submissions : multi • 2026-08-03 02:31

AI and chips are turning Malaysia into Asia’s growth standout

submitted by /u/Logical_Welder3467 to r/technology [link] [comments]

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Hacker News: Front Page • 2026-08-03 02:30

OpenAI's super PAC is funding AI-generated news site attacking industry critics

Article URL: https://www.modelrepublic.org/articles/the-reporters-at-this-news-site-are-ai-bots.-openai%E2%80%99s-super-pac-appears-to-be-using-it-to-advance-its-political-agenda Comments URL: https://news.ycombinator.com/item?id=49150561 Points: 13 # Comments: 3

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newest submissions : multi • 2026-08-03 02:29

US says Iran talks to take place on Monday, sets no deadline for deal

submitted by /u/CupEcstatic2721 to r/worldnews [link] [comments]

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DEV Community • 2026-08-03 02:27

AI Hallucinations Will Never Be Fully Solved by Software — Here's Why

Here's a claim that might sound extreme at first: AI hallucinations will never be fully solved by software alone. I'm not saying this to be provocative — I'm saying it because the hardware itself may be part of the problem. The Usual Suspects Most discussions about AI hallucinations revolve around algorithms and data — the nature of statistical prediction, data contamination, reasoning failures. ...

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Relentless UK heatwaves turn ‘green and pleasant land’ brown
newest submissions : multi • 2026-08-03 02:27

Relentless UK heatwaves turn ‘green and pleasant land’ brown

submitted by /u/Portalrules123 to r/worldnews [link] [comments]

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DEV Community • 2026-08-03 02:26

Killing the long-lived tokens in my CI, one exchange at a time

A static API token stored in GitHub Secrets is a breach that has not happened yet. The timer is already running. You do not know how long the fuse is, because a long-lived token's fuse is however long you set it at mint time, which for most people is "never thought about it." At enterprise scale a leaked CI token is an incident: rotate it, audit the blast radius, file the postmortem. At solo scal...

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8m read
DEV Community • 2026-08-03 02:20

Mastering IEEE Conference Paper References: A Comprehensive Guide

As PhD scholars, researchers, and professors, we pour countless hours into crafting insightful papers that push the boundaries of knowledge. Yet, one often underestimated aspect can make or break the credibility of our work: the references section. In the realm of computer science, engineering, and related fields, IEEE conference papers are a staple, and adhering to their specific citation style i...

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