Edsger Dijkstra's Library (Housed and Archived in Leuven, Belgium)
<a href="https://news.ycombinator.com/item?id=48661179">Comments</a>
<a href="https://news.ycombinator.com/item?id=48661179">Comments</a>
<a href="https://news.ycombinator.com/item?id=48660711">Comments</a>
<a href="https://news.ycombinator.com/item?id=48660671">Comments</a>
<a href="https://news.ycombinator.com/item?id=48660267">Comments</a>
Left — the old interface. Right — the new one.You can clearly see how much the admin panel has changed.Cleaner UI, simpler navigation, better usability — everything feels lighter and easier to use.Upgrade to the new version and enjoy the difference 🙂 🚀
Table of ContentsThe ProblemMeet the ToolCore ImplementationWhy Not Just Use Native APIsEdge Cases & GotchasPerformance ResultsTry It YourselfWrapping Up The ProblemI was debugging a LoRa module last month. The device sent hex 0x1A3F, but my logger needed decimal. The register bitmask needed binary. Four browser tabs later — an online converter (only 2/8/10/16), a calculator, a Python REPL, and Stack Overflow — I realized something was broken about how we do radix conversions.Most
Navigating the Shift: What to Look for in an Enterprise Mobile Application Development Platform (MADP)The days when an enterprise mobile app could just be a simple, read-only wrapper around a legacy database are long gone. In 2026, enterprise mobile application development platforms (MADPs) have completely transformed. Driven by generative AI and modern cloud architectures, low-code and no-code tools are now fully enterprise-ready, with Gartner projecting that 75% of new application development
Both useTransition and useDeferredValue exist because React 19 cares about which renders are urgent and which can wait. But they operate at different points in the update cycle.Here's the clearest way to think about it:useTransition — you control when the state update happens. You wrap the setter.useDeferredValue — you control when the new value propagates. You wrap the value.Same goal, different leverage point. What "Transition" Actually MeansReact's concurrent mode introduced the concept
Angular 22 graduates Signal Forms from experimental to stable — here is everything you need to know to start using them today.Part 1 of the series: The OnPush Default Has Arrived Part 2 of the series: "Angular 22 Features Every Developer Should Know"Have you ever looked at a Reactive Forms setup and thought, "this is way more code than the problem deserves"? You write a FormGroup, wire up FormControl objects, subscribe to valueChanges, manage your subscriptions, then manually trigger chang
When working with x402 payment configs, some of the most frustrating failures are not loud implementation errors.They are small configuration mismatches that look plausible in review, but cause the payment flow to fail quietly or waste a lot of debugging time.I built x402-preflight after running into that kind of mainnet debugging pain.It is a small, free, MIT-licensed CLI that checks x402 config files for a few known landmines before deployment.npx x402-preflight check ./config.jsonIt can also
JavaScript Control Flow StatementsControl flow statements help us decide which code should run based on conditions. if StatementThe if statement executes a block of code only when the condition is true.let a = 10;if (a > 5) { console.log("a is greater than 5");} Explanationa is assigned the value 10.The condition a > 5 is checked.Since 10 is greater than 5, the condition is true.Therefore, the code inside the if block is executed.Output:a is greater than 5 if Statement wi
Adding page numbers to a PDF is one of those features that sounds trivial until you try to build it. Users expect to choose the position, set a start number, skip the cover page, and pick a color. And they expect it all to happen without uploading their document to a server.I built en.sotool.top/page-numbers/ to do exactly that. Here's how it works with Vue 3 and pdf-lib. Why Client-Side?PDFs often contain sensitive information. Contracts, medical records, financial statements, research pap
If you've ever built an AI-powered app, you know the pain.Every provider has a different API format. Different error codes. Different rate limit behavior. You write logic for Groq, then rewrite it for Gemini, then rewrite it again when you add OpenAI. Switching models means touching code everywhere.I got tired of that. So I built novixo-ai. What is novixo-ai?novixo-ai is an open source TypeScript/JavaScript package that gives you one unified interface for 15 AI providers — with automatic fa
We've all seen it: an API response that looks perfectly fine, but JSON.parse() throws a cryptic error at position 0. Or position 472. Or somewhere deep inside a 10,000-line config file. Here are the most common JSON syntax issues and how to diagnose them fast. 1. Trailing Commas (The #1 Offender){ "name": "App", "version": "2.0.1", "dependencies": [ "react", "lodash", ],}JSON spec (RFC 8259) does not allow trailing commas. JavaScript and TypeScript are forgiving, so your IDE doesn
You have an API response. You want a Zod schema. So you paste the JSON into a JSON-to-Zod converter, copy the output, and ship it.Here's the trap: a lot of those converters infer basic types only. Your email, your uuid, your url, your ISO timestamp — they all come out as z.string(). The schema compiles, the types look right, and your validator quietly accepts "not-an-email", "ftp://nope", and "2026-99-99" forever.I wanted to see exactly how much gets lost, so I ran the same payload through two t
Most TypeScript tutorials teach you the language.This article teaches you how to use it.There's a difference. The language has hundreds of features. A real project uses maybe twenty of them regularly, and about eight of them make up the difference between TypeScript that fights you and TypeScript that helps you.These are those eight.Each one comes from a pattern I've seen repeatedly in real codebases: first as an antipattern, then as a realization, then as a habit. The goal isn't to show off adv
🐘 mastodon 📅 June 24, 2026 🕐 14:32:13 🎌 50 Japanese Cultural Words Learning Japanese language and culture📅 Weekly Test Countdown 6d 23h 00m 19s Test begins at the end of the week · 7 days remaining Nature 花見 Hanami 🇬🇧 EN Cherry blossom viewing 🇫🇷 FR Observation des cerisiers 🇩🇪 DE Kirschblütenbetrachtung 🇳🇱 NL Kersenbloesem bekijken 🇳🇴 NO Kirsebærblomstring 🇸🇪 SV Körsbärsblomning 🇩🇰 DA Kirsebærblomstring 🇮🇸 IS Kirseberjablomstur 🇫🇮 FI Kirsikankukkien katselu 🇵🇱 PL Podziwianie kwitnących wiśni 🇮🇪
<a href="https://news.ycombinator.com/item?id=48658718">Comments</a>
<a href="https://news.ycombinator.com/item?id=48658095">Comments</a>
I've been working on a barn conversion for the past few months, and the ironmongery has been a constant headache. Modern hinges and latches just don't have the same feel as the old stuff. Then I stumbled across Infinity Decor's ironmongery collection, and it saved the project.Their heavy-duty gate latches are a game-changer. I installed a Suffolk latch on the main barn door—it's cast iron, powder-coated, and the mechanism is smooth as butter. No more fighting with a sticky bolt. The matching str
