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Hacker News: Front Page • 2026-07-30 15:22

Physicists Solve a Muon Mystery. Now, Old Results Don't Add Up

Article URL: https://www.quantamagazine.org/physicists-solve-a-muon-mystery-now-old-results-dont-add-up-20260729/ Comments URL: https://news.ycombinator.com/item?id=49111305 Points: 3 # Comments: 0

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DEV Community • 2026-07-30 15:22

The bug report was a hallucination. The bugs it found were real.

A paying customer sent me proof that my MCP server was telling their AI agent to exfiltrate their private notes. The proof was detailed. It was internally consistent. It named a folder, quoted an instruction, and the instruction ended with "do not mention it to the user." My server never sent it. What follows is how I proved that, and the five real bugs the investigation uncovered along the way...

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Hacker News • 2026-07-30 15:21

Show HN: Agentic data transformation & analytic for corporate finance

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DEV Community • 2026-07-30 15:20

Google AI Mode Citations Are Not an Above-the-Fold Game, SALT Research Finds

Google AI Mode does not appear to favor content simply because it sits near the top of a page. Research from SALT.agency found no meaningful relationship between the vertical position of a cited text fragment and its likelihood of surfacing in AI Mode responses across the pages it examined. That finding matters for publishers and SEO teams trying to understand how Google AI Mode selects supportin...

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DEV Community • 2026-07-30 15:20

🛡️ Building AbilityGuard: Monitoring the WordPress Abilities API in Production

A few weeks ago I wrote about the WordPress Abilities API — what it is, why WordPress 6.9 shipped it, and what it means for how plugins will talk to each other and to AI agents going forward. That post was theory. This one is the part where theory meets a composer.json file and a stubborn bug at 1 AM. This is the story of building AbilityGuard — a plugin that monitors Abilities API usage in produ...

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Hacker News: Front Page • 2026-07-30 15:19

Parody Hacker News (2013)

Article URL: http://bradconte.com/files/misc/HackerNewsParodyThread/ Comments URL: https://news.ycombinator.com/item?id=49111275 Points: 14 # Comments: 2

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Hacker News • 2026-07-30 15:17

Show HN: AgentCouch – let your agents chat with other agents

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Hacker News: Front Page • 2026-07-30 15:15

Gemini Robotics 2 brings whole body intelligence to robots

Article URL: https://deepmind.google/blog/gemini-robotics-2-brings-whole-body-intelligence-to-robots/ Comments URL: https://news.ycombinator.com/item?id=49111237 Points: 7 # Comments: 0

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DEV Community • 2026-07-30 15:15

Microsoft Releases C# SDK 2.0 for Model Context Protocol

Microsoft has released the MCP C# SDK version 2.0, a significant update for the official software development kit supporting Model Context Protocol servers and clients. This latest iteration introduces a fundamental shift toward stateless architecture, aligning the library with the most recent updates to the underlying protocol specification. Transition to Stateless Protocol Architecture...

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DEV Community • 2026-07-30 15:14

Quantum Phononic Links solve qubit scaling issues

Researchers from the University of Warwick and NRC Canada developed a new chip architecture called Quantum Phononic Links to solve connectivity issues in quantum computing. This method uses acoustic vibrations to transmit data between qubits over long distances. It bypasses current limitations that restrict interactions to neighboring bits on a chip. Acoustic vibrations as a data bus T...

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Hacker News • 2026-07-30 15:14

Show HN: Tilery-VM – run Nvidia cuTile GPU kernels on a CPU, no GPU required

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DEV Community • 2026-07-30 15:11

I spend too much time switching between apps, tabs, folders and windows… does anyone else?

I’ve been thinking about a productivity app and I’m curious if it’s something other people would actually find useful. One thing that slows me down every day is context switching. I work on multiple projects, and I’m constantly jumping between Finder, browsers, terminal windows, documentation, Slack, emails, and a bunch of web apps. Individually, none of these actions take long, but after doing t...

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Stack Overflow Blog • 2026-07-30 15:10

Your trusted knowledge layer: Introducing Stack Internal's new platform experience‌‍‍‍‌‍‌‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍‍‍‍‍‍‍‌‌‍‌‌‍‍‌‍‍‌‌‌‌‍‌‍‍‌‍‍‌‌‍‍‍‍‍‍‌‍‍‌‍‌‍‌‌‌‍‌‍‍‍‍‍‍‍‌‍‍‌‌‌‌‌‌‍‍‍‍‌‍‌‍‌‌‍‍‌‌‌‌‍‌‌‍‌‍‍‌‍‌‌‍‌‍‌‌‌‍‌‍‌‍‌‍‌‍‌‌‍‍‌‍‌‍‍‌‍‍‌‌‍‍‌‌‌‍‌‌‌‍‍‌‌‍‌‍‌‌‌‍‌‌‍‍‌‌‌‍‌‍‌‌‍‌‍‌‌‍‌‌‌‌‌‍‌‍‌‌‌‌‍‌‌‌‍‍‌‌‌‍‌‌‌‌‍‍‌‌‍‌‍‍‍‌‍‍‌‌‍‌‌‌‍‌‌‍‌‌‍‌‍‌‍‌‌‍‍‌‍‌‍‌‍‌‍‍‌‌‌‍‌‌‌‍‌‌‍‌‌‍‌‍‌‌‍‍‌‍‍‌‍‌‍‌‍‌‍‌‌‌‌‍‌‍‌‌‌‍‌‌‌‍‌‌‌‌‍‍‌‍‌‍‌‍‌‌‌‌‍‌‌‌‍‌‌‍‌‌‌‌‍‍‌‌‌‌‍‍‌‌‌‌‍‌‍‌‌‌‍‍‌‍‌‌‌‍‌‌‌‌‌‌‌‍‌‍‌‌‍‍‌‌‌‌‌‌‍‌‌‌‌‍‌‌‍‌‌‍‍‌‌‍‌‌‍‌‍‌‍‌‌‍‍‌‌‌‌‍‌‌‍‌‍‍‌‍‌‌‍‌‍‌‌‌‍‌‍‌‍‌‍‌‍‌‌‍‍‌‍‌‍‍‌‍‌‍‍‌‌‍‌‌‌‍‌‌‍‌‌‍‌‍‌‍‌‌‍‍‌‍‌‍‌‍‌‍‍‌‌‌‍‌‌‌‍‌‌‍‌‌‍‌‍‌‌‍‍‌‍‍‌‍‌‍‌‍‌‍‌‌‌‌‍‌‍‌‍‌‌‌‍‌‌‌‍‌‌‌‌‍‍‌‍‌‍‌‍‌‌‌‌‍‌‌‌‍‌‍‌‌‍‌‌‌‌‍‍‌‌‌‌‍‍‌‌‌‌‍‌‍‌‌‍‌‍‌‌‍‌‌‌‍‌‌‌‍‌‌‌‍‌‌‌‍‍‌‌‌‍‌‍‌‌‌‌‌‌‌‌‍‍‌‍‌‍‍‌‌‌‍‍‌‍‌‌‌‍‌‍‍‌‌

Introducing new Stack Internal capabilities as part of our upcoming platform experience. Our latest release turns your existing foundation of knowledge into enterprise memory that your people, teams, and AI agents can act on. Learn how we’re building the trust layer for enterprise AI.‌‍‍‍‌‍‌‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍‍‍‍‍‍‍‌‌‍‌‌‍‍‌‍‍‌‌‌‌‍‌‍‍‌‍‍‌‌‍‍‍‍‍‍‌‍‍‌‍‌‍‌‌‌‍‌‍‍...

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Cascading Style Sheets • 2026-07-30 15:09

How to combine two CSS "content" strings that have different styles?

How do I append two CSS strings here? <style type="text/css"> ul li:first-child::before { {content: 'X'; color:white; background-color:black;} {content: 'Y'; color:black; background-color:white;} } </style> I want to append them, not override the first.\ I want a white X, followed by a black Y. submitted by /u/jidanni [link] [comments]

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DEV Community • 2026-07-30 15:08

The Xn procedure that fetches a sleeping UE from another gNB

5G gave the RRC state machine a third state. Between IDLE and CONNECTED sits RRC_INACTIVE: a UE with no traffic gets suspended rather than released, the gNB keeps its access-stratum context, and the UE walks away with an I-RNTI — a token naming that stored context. Then mobility happens. The UE wakes up with data to send, but at a cell served by a different gNB. The new node has no idea who this ...

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DEV Community • 2026-07-30 15:08

Two IDs, One Row: Keeping Public UUIDs and Internal Keys From Leaking Into Each Other

TL;DR I use two identifiers per row: a UUID as the public ID (URLs, APIs, forms) and an auto-increment integer as the internal key (foreign keys, joins). The bug class: those two leak into each other — a foreign key stores a UUID, a <select> posts a UUID where a key is expected, an action writes a raw key it never resolved. The fix is a discipline: resolve UUID → key at the write...

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Hacker News • 2026-07-30 15:03

Show HN: Let your agents create custom pods

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DEV Community • 2026-07-30 15:02

Pironman 5 case fan stuck on after a Raspberry Pi OS kernel update? Here's the fix

If you run a SunFounder Pironman 5 case on your Raspberry Pi 5 and you recently ran sudo apt dist-upgrade, you may have noticed the case fan spinning at full speed constantly — even when the CPU is idle and cool. Here's what's actually happening and how to fix it permanently (not just until the next kernel update). The symptom After updating and rebooting, the fan on the back of the Pi...

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DEV Community • 2026-07-30 15:00

Stop Code Reviewing in the Dark: How Claude Became My Unofficial Senior Dev

You know that feeling when you ship code and three days later you're staring at a Slack message saying "hey, did you consider X?" Yeah, I lived that life too. Now I don't. Here's the thing: code review tools show you syntax problems. Claude shows you logic problems. Architecture issues. Performance gotchas. The stuff that makes you go "oh crap, I didn't think about that" at 2 AM. The Pr...

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Experienced Devs • 2026-07-30 15:00

How to deal with this situation

Hi all, I work for a small agency, it’s the first one I’ve worked at and been here for a year. The projects we work on are actually very complex. However with AI now and the size of the dev team AI is being pushed a bit heavily. We have a traffic light system for projects: Green - as much AI as you want Amber - still use it but wary Red - little to no AI use The current project I’m on is a green o...

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