Auto-aggregated global tech articles · 468 posts
Originally published at vatnode.dev. The version on vatnode.dev is the canonical source — refer to it for the latest content. Stripe Collects the VAT Number. VIES Validation Happens Later. Stripe does check EU VAT numbers against VIES. That surprises people, because the checkout experie
Building a High-Speed School Marketplace: Why We Ditched Frameworks for Vanilla JS & PWA Achmad Junaedi Achmad Junaedi
A conventional line diff is valuable because it is literal. It is also easy to overwhelm with formatter churn, wrapped expressions, and code reflow. For Diff Anything 1.5, I treated those as two different review questions instead of making one algorithm answer both. One comparison, two vie
Does market fear actually predict trader losses? I tested it with real Hyperliquid trade data:- thousands of trades, run through a proper statistical test instead of a gut feeling. The answer wasn't a clean yes or no, and that's what made it worth writing up. The question "Be fearful when others a
When a request reaches a backend, it usually doesn't go directly from the client to the controller. There are often several things the server needs to check or do first. For example, before allowing a user to access: GET /api/profile the backend might need to: Check whether the user is
Problem Indie developers and small teams often ship code but struggle to document it. Writing consistent blog posts or social copy requires time that many already lack. The result is missed visibility and a fragmented promotion strategy. How It Works Herald solves this by turning repos
Ask a practising Chartered Accountant where the CA compliance calendar lives and you will get one of three answers: a spreadsheet, a WhatsApp group, or a diary. Often all three, disagreeing with each other. It works, in the sense that most things get filed. It works by consuming the partner's memor
Ask a practising Chartered Accountant how they track deadlines and you will get one of three answers: a spreadsheet, a WhatsApp group, or a diary. Often all three, disagreeing with each other. It works, in the sense that most things get filed. It works by consuming the partner's memory as a databas
A founder gets a 409A report back, sees a number, and asks the only question that matters to them: why is the common stock worth so much less than what the investors just paid? It is a good question with a real answer, and the answer is most of what a 409A valuation is actually doing. This is part
Docs | GitHub I needed a User-Agent parser. That sounds like a pretty small problem. Take a string, find Chrome or Safari, figure out the OS, return an object. Done. Except that once you start supporting more than one platform, the problem gets annoying pretty quickly. I ended up building kmp-u
A CRM integration often starts with a simple requirement: “When a lead arrives from another platform, create it in the CRM.” That sounds like a single API call. In production, it is usually a small distributed workflow involving validation, authentication, retries, duplicate detection, and error h
Introduction Once I understood variables and data types, the next question was, how does a program actually make a decision? This is where operators and conditionals come in. They let a script react differently depending on the data it's given. Arithmetic Operators These perform basic math: Comp
Version condensée en français. La version complète en anglais —y compris la discussion sur la révocation ouverte par Alex Shev en commentaires— est la version canonique. Pourquoi en français L'Europe a une culture unique de souveraineté numérique et d'exigence réglementaire (DSP2, DORA,
I’ve been working on UI Coach: https://uicoach.io around a simple idea: designers improve more by practicing than by only consuming tutorials and inspiration. The main part is a library of realistic UI and UX challenges, with progress tracking so you can keep practicing consistently over time. It’s
The Architectural Trap: Why React Context Isn't a State Manager In the modern React ecosystem, "prop drilling" is often cited as the ultimate developer productivity killer. To solve it, many teams reflexively reach for React Context. It’s built-in, it’s easy to use, and it seems to solve the probl
Longshot, a Firefox screenshot extension I have been building, exports to PDF. The exporter is 336 lines and pulls in nothing. That is not a boast about writing things from scratch, which is usually a bad reason to do anything; it is that the two jobs a PDF library would do here are both already don
Why Does My Qualcomm Wi-Fi Throughput Fall Below the Datasheet? You bought a Qualcomm Wi-Fi chipset or module. The datasheet says: Up to 4.8 Gbps. You run your first throughput test. 1.2 Gbps. You optimize the configuration. 1.8 Gbps. You change the channel. 2.4 Gbps. But you still can't
In the era of cloud-hosted AI, we’ve become comfortable sending our most sensitive data to remote servers. But when it comes to medical queries—like checking for drug-to-drug interactions—privacy isn't just a feature; it's a human right. 🛡️ With the recent explosion of WebGPU AI and the maturation
For over a decade, the .mobi format was synonymous with Amazon Kindle. If you bought an independent eBook, downloaded a classic from Project Gutenberg, or received an Advance Reader Copy (ARC), you loaded it onto your Kindle as a MOBI file. However, in late 2022 and throughout recent firmware updat
Deploying a web project can sometimes feel complicated, especially when you have to configure servers, upload files, and manage deployment manually. Fortunately, Tencent EdgeOne Makers provides a much simpler workflow. If your project is already stored on GitHub, you can connect your GitHub account,
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