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🌐https://www.2026.lat/earth/10-10.html🌍 From Raw JSON to Human Stories: Building a Privacy-First Earthquake DashboardHi everyone! 🇳🇱🎀🇩🇰🤍🇫🇮🤍🏴😁Today,10/10/2026🗻🧊 I want to share a passion project I've been working on: A real-time, privacy-first earthquake dashboard.Like many of us, I often find myself staring at raw data feeds — like the USGS GeoJSON streams — and wondering how we can make them more accessible and meaningful for regular people. We see coordinates, magnitudes, and timestamps,
8 checks that catch offline-first sync bugs before your users doSync bugs are the worst class you can ship. They don't crash and they don't log. They reproduce under one specific interleaving of edits, retries and reconnects, usually on a phone in a basement with one bar of signal. By the time someone reports a duplicate invoice or a vanished order, the data is already wrong and nobody can tell when it broke.I audit offline-first sync layers. These are the eight properties I check, in orde
Series: Building PdfWord — a free, no-backend PDF tools site (Part 17)Every time I tell a developer that PdfWord runs 36 PDF tools with zero backend, zero server costs, I get the same reaction: disbelief, then "okay but how do you actually do the conversions?"So here's the full architecture. No secrets. The core insightA modern browser is a shockingly capable computer. It can:Parse and generate PDFs (pdf-lib)Render PDF pages to canvas (PDF.js)Run OCR (Tesseract.js with WebAssembly)Convert O
If you're new to React, state and props can feel confusing. Here's the short version:State = data a component owns and can changeProps = data a component receives from its parent (read-only)State example:function Counter() { const [count, setCount] = useState(0); return ( setCount(count + 1)}> Clicked {count} times );}Props example:function Greeting({ name }) { return Hello, {name}!;}function App() { return ;}Rule of thumb: if the component needs to change the data itself, u
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If you send purchases to Meta from both the browser (Pixel) and your server (Conversions API), Meta receives every order twice. The only thing stopping it from counting both is a shared identifier.Meta deduplicates when event_name and event_id match across the two events. That's the whole rule. Most broken setups I audit break it in one of two ways. Failure 1: each side invents its own IDThis is the classic. The theme or tag manager generates something for the browser event, and the server
Why Add AI Voice to Your Django App?If you’re building a web service that needs to talk back to users—whether it’s a language learning platform, a customer support chatbot, or a voice‑enabled dashboard—you’ll quickly discover that a natural‑sounding voice can dramatically improve engagement. Modern text‑to‑speech (TTS) engines have moved from robotic monotone outputs to lifelike, expressive speech that can even mimic a specific person’s voice. In this post we’ll walk through how to hook a
In the previous article in this series, we implemented Bloom Filters, and now we'll see a better-performing version, Double Hashing Bloom Filters. Double Hashing Bloom FiltersIn the BF implementation we saw, we calculated the required bit positions by repeatedly calling a full SHA-256 hash function, changing only the seed each time. The code we used was as follows.const getIndices = (filter, value) => Array.from({ length: filter.h }, (_, i) => hashWithSeed(String(value),
Introducing NEXORA 🚀I've been learning frontend development, and one thing I've wanted to do is turn what I've learned into something I can actually share with other developers.That's how NEXORA came about.NEXORA is a futuristic SaaS landing page template with a dark interface, purple accents, and a design inspired by modern AI and technology platforms. 🛠️ Built WithHTMLCSSVanilla JavaScript 🎯 Why I Built ItI wanted to create a visually striking starting point for developers who
A small property-management frontend does not automatically need a full crash-analysis SDK. Short answer: use a React error boundary plus error and unhandledrejection listeners, send a deliberately small event to your own backend, and attach the release and experiment cohort needed to reconstruct an incident. Choose a specialist tracker instead when readable minified stacks, source maps, session replay, or polished crash triage are requirements.System shapeBest fitIncident evidenceMain boundaryT
⚡ TL;DR: Internalize the single-threaded event loop and the sync, microtask, macrotask ordering it enforces. That one model explains promises, event delegation, and why a long task freezes your UI, plus how to avoid blocking paint. ContentsThe click that froze a pageOne chef, one threadThe picture: how the event loop worksOrdering: sync vs microtask vs macrotaskEvents, delegation, and async in real codeWhy long tasks block paintCommon mistakes that cost hoursTakeawaysWhere to go next T
State Lifting in ReactWhen building a React application, different components often need to share the same data. Normally, each component can manage its own state using the useState hook. However, when multiple components need to access or update the same data, managing separate states can create synchronization problems. State lifting solves this problem by moving state to the nearest common parent component and sharing it with child components through props. Why Do We Need State Lif
The green Saved toast answers one narrow question: did the React application render a success message?It does not prove that the database committed the update. It does not prove that the audit event was written. It does not prove that a notification job reached its queue.For consequential workflows, test three postconditions:SurfaceEvidenceBrowserThe user saw the expected stateAPIThe durable record contains the changeSide-effect sinkThe expected asynchronous event appeared Example: changing
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I BuiltCogniva is a full-featured, offline-first Intelligent Learning Workspace — a PWA built with React, TypeScript, and Tailwind CSS.I built it for my friend who is preparing for CS university exams (Data Structures, DBMS, Operating Systems, Computer Networks). They were juggling five different apps — a timer, Anki, a notes app, YouTube, and a spreadsheet to track progress — and still feeling overwhelmed
On Qatar's national event platforms I brought core pages to Core Web Vitals compliance through memoization, virtualization, lazy loading and code splitting, which improved LCP by about 35% and TTI by about 30%. On a payments platform, dynamic code splitting cut the initial bundle by about 35%. The method is the same every time, and it starts with measuring, not with optimizing. The three numbersLCP (Largest Contentful Paint): when the biggest visible element appears. Good is 2.5 seconds or
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I BuiltI built Bird Caller, a beautiful offline web application designed to get you out into nature. It listens to your microphone and identifies bird songs, wildlife, and even weather elements (like rain, streams, or wind) in real-time.When you discover something cool, you can click the + button to save it to your Field Journal—a local logbook that tracks your encounters.The coolest part? It uses o
Here's a prompt that makes coding agents build a procedural octopus that unscrews a jar lid from the inside, in Three.js, in one HTML file. Run it with whatever agent you use and send me the session. You get three things back:Your run next to everyone else's. Same prompt, different agents, models, and setups, side by side: time, bugs, where a person had to step in, and token cost. A fair answer to "is my setup actually better" on one hard task.A spot in the gallery. The results post will show ev
Developer websites often share a familiar set of elements: GitHub contribution graphs, repository statistics, npm downloads, changelogs, and project cards.These components serve a purpose. They help developers communicate what they're building and give visitors a quick overview of their work.But I noticed something interesting: while the information varies from project to project, the way we present it often feels repetitive.I wanted to explore a different approach.That led me to build Ovio, a c
Surviving a 150-Requests-a-Day Free Tier: Caching Patterns for Sports APIsYou sign up for a free sports API key, make your first request, and it works. Then you read the limit: 150 requests per day.In a terminal, that feels generous. In a real app, it disappears fast.Here is the math. 150 calls spread over 24 hours is one call every 9.6 minutes. If your app gets 10,000 page views a day and each view calls the API, your quota is gone in about 90 seconds of traffic. To survive, your cache hit rate
