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DEV Community · Technology

Building the Carry-On and Personal Item Size Checkers

Last summer I watched a gate agent at Stansted pull a woman's backpack out of her hand, drop it into a Ryanair sizer, and charge her €55 because it was half an inch tall in one dimension. The bag was "carry-on approved" according to the Amazon listing. She had measured it at home. The problem was th...

Vientapps 2 days ago

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DEV Community · Technology

The Agent Identity Convergence: Why Everyone Is Building the Same Thing in 2026

Something interesting is happening in the agent infrastructure space. In the last two weeks, five separate companies announced agent identity solutions — and they are all solving the same problem differently. The Convergence ZeroID (Highflame) — open-sourced an agent identity server wi...

Aaron Schnieder 2 days ago

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DEV Community · Technology

The 8 tables behind a real auth system (Postgres schema, explained column by column)

This is day 2 of the series. Yesterday I showed the architecture diagram. Today we are looking at the database that sits underneath it. Every table, every column, every index, and the reason each one exists. If you are following with kavachOS, pnpm kavachos migrate creates all of this for you, and...

GDS K S 2 days ago

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The Guardian · World

United plane makes emergency landing in Pittsburgh over ‘possible security issue’

Passengers on flight from Chicago to New York exited via slides as FBI, bomb technicians and K-9 unit responded Sign up for the Breaking News US email to get newsletter alerts in your inboxA United Airlines flight bound for New York City was forced to land and evacuate in Pittsburgh on Saturday mor...

Uwa Ede-Osifo 2 days ago

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DEV Community · Technology

How to Create a Sparkly-Spoiler Effect like the one in Threads Mobile App

If you use Meta’s Threads app on a mobile device, you may have noticed an interesting effect: the spoiler tag that hides text behind a sparkly veil. In this article, I will show you how to implement this effect in the browser using HTML, CSS, and JavaScript. NOTE: You can scroll to the bottom of th...

Erik 2 days ago

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DEV Community · Technology

I built a full-stack AI blogging platform "gen-Blog" that writes, images, and publishes its own posts

** What if a blog could write itself? ** That was the question I started with. Six weeks later, I shipped GenBlog — a full-stack AI-assisted content platform that generates complete, SEO-optimized articles (with a relevant featured image, tags, and meta description) from a single topic...

sumit sharma 2 days ago

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DEV Community · Technology

Low-Power IoT in the Military Domain: Architecture, Standards, Coatings, and Field Results

Two active military operations are running simultaneously right now, and both are producing a very visible lesson for embedded engineers: the ability to build electronics that operate for months or years on a small battery — without maintenance, without infrastructure — has become a defining charact...

thingslog 2 days ago

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DEV Community · Technology

How I Automated My Documentation (and Stop Writing My Own READMEs)

Let’s be real: stopping your development momentum to write inline comments, generate unit tests, or explain your logic to non-technical stakeholders is the worst part of the job. I got tired of doing this manually, so I spent some time building a specific set of AI prompts to handle the heavy lifti...

Hicham Hicham 2 days ago

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The Guardian · World

Investigators examine whether Ukraine terrorist attack was directed by Russia

The gunman, who killed six people in Kyiv before police shot him dead, was a Ukrainian citizen born in MoscowUkrainian investigators are examining whether a terrorist attack in Kyiv was directed by Moscow after a man shot dead six people on Saturday before he was killed by police.The gunman, 58, ope...

Luke Harding in Kyiv 2 days ago

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DEV Community · Technology

Angle Computer del B-52: navegación por estrellas antes del GPS

Cuando hoy un avión comercial despega de San Salvador rumbo a Miami, su posición se conoce con precisión de metros gracias al GPS. Pero en 1961 ese lujo no existía: no había satélites de navegación, los sistemas de radio terrestres dejaban de ser útiles sobre el océano y ninguna computadora digital...

lu1tr0n 2 days ago

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DEV Community · Technology

CSS Breakpoint Units - design with pixels and get fluid UX for free while automatically solving two of the oldest accessibility problems.

I've created many NPM packages and invented many hacks focused on helping us all easily create beyond what's typically considered possible. It drives me. This idea, I swear was given to me by higher powers and backed with so much excitement and perfectly sequenced synchronicities... Nobody would be...

Jane Ori 2 days ago

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DEV Community · Technology

I've built auth six times. Here's the system I would build today

I am writing this series because I have built authentication from scratch six times, and every time I got it about 80 percent right and discovered the last 20 percent at 2am when a user said something weird happened. The point is not to talk you into rolling your own auth. Most of the time you shou...

GDS K S 2 days ago

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The Guardian · World

‘Independent’ group Energy for Australians that ran anti-Labor ads received more than $1m from coal lobby

Coal Australia denies its donations to the ‘community-driven association’ amount to astroturfing, but critics accuse the group of misleading the publicGet our breaking news email, free app or daily news podcastAn “independent, community-driven association” that ran anti-Labor adverts during the last...

Graham Readfearn 2 days ago

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The Guardian · World

Australia’s coalmine emissions are increasing. Is this how a major policy to cut climate pollution is meant to work?

The Albanese government overhauled policy and promised significant pollution cuts – but carbon offsets are still being used as an excuseSign up for climate and environment editor Adam Morton’s free Clear Air newsletter hereIs this how a national scheme to cut climate pollution is supposed to work?Au...

Adam Morton 2 days ago

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TechCrunch · Technology

VC Ron Conway says he has a ‘rare form of cancer’

Conway wrote that he “will be stepping back from some of my usual activities,” but he will “continue to support” founders backed by his firm SV Angel.

Anthony Ha 2 days ago

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DEV Community · Technology

My keyboard can't speak my language: Here's how i fixed it

Nigeria is a country of hundreds of languages. One of them is Yorùbá, spoken by tens of millions of people across the world. But despite how widely spoken it is, a quiet problem keeps getting in the way: most of our devices simply weren't built with it in mind. Here's why that matters. In Yorùbá, th...

Ariyo Aresa 2 days ago

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DEV Community · Technology

Can AI really learn from humans?

After playing with AI for a couple of months, I wanted to see if AI could learn from humans and create its own help desk or call center. I was working with Anthropic's Claude, but I'm sure any other AI agent would work as well. I wanted the AI agent to learn by listening to the human operators, and...

Bill Neely 2 days ago

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DEV Community · Technology

Protecting people from harmful manipulation

I've conducted an in-depth review of the technical aspects related to protecting individuals from harmful manipulation, as outlined in the blog post by DeepMind. Here's my analysis: Threat Model The primary concern is the potential for manipulation by malicious actors, including state-sponsored ent...

tech_minimalist 2 days ago

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DEV Community · Technology

Building AI Prompts for High-Stakes Documentation: A Healthcare Case Study

As a developer working with healthcare clients, I've learned that documentation isn't just about recording facts—it's about legal survival. A single poorly worded incident report can end a medical career, regardless of actual competence. This creates a fascinating technical challenge: how do you bui...

PeakFlowLab 2 days ago

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DEV Community · Technology

AI Strategy in Practice: The Gap Between Governance and Adoption

You Don’t Have an AI Strategy—You Have Shadow AI Most organizations believe they are implementing AI. Leadership discussions focus on governance frameworks, approved tools, and risk mitigation. On paper, it looks like progress.But beneath the surface, something else is happening. AI adoption has a...

srinivas Chennupati 2 days ago

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DEV Community · Technology

Configuring observability for your Qiskit runs with QObserva

If you’re working with Qiskit, you’ve probably noticed something pretty quickly: Running circuits is straightforward. Understanding what changed between runs… is not. As experiments grow, context gets scattered—across notebooks, logs, and memory. That’s where QObserva fits in. This post walks thr...

QObserva Labs 2 days ago

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The Guardian · World

Kensington Gardens reopen after police deem suspicious items non-hazardous

Police responded after video claimed to have targeted nearby Israeli embassy with ‘dangerous substances’Kensington Gardens in London has reopened after the discovery of several suspicious items including two jars containing a powdered substance which were deemed to be “non-hazardous”, police said.Po...

Nadeem Badshah 2 days ago

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DEV Community · Technology

How to setup Azure Virtual Machine

This Blog is about how to setup your Azure virtual Machine on Azure, connect to the virtual Machine via SSH (Secure Shell Host), install Apache 2 (as web server) and access the VM (virtual machine) IP via a browser. Virtual Machines are cloud based computers where most servers in the world are hos...

Ojeniran Shola 2 days ago

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DEV Community · Technology

NgRx - Custom SignalStore Feature

If you’ve been working with NgRx SignalStore for a while, you’ve probably noticed a pattern: you keep writing the same pieces of code over and over again. Logging state changes. Resetting the store to its initial state. Managing filters and exposing update methods. None of these are complex, but th...

Simone Boccato 2 days ago

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