5d ago · 7 min read · Originally published at recca0120.github.io Browser-side storage has more options than most developers expect. localStorage is the simplest but the most limited. IndexedDB is powerful but its API is notoriously verbose. sql.js gives you a full SQL en...
Join discussion6d ago · 7 min read · Originally published at recca0120.github.io sql.js lets you run SQLite inside the browser with an API that feels nearly identical to the server-side version. But there is a catch I only discovered the first time I used it: close the tab and all your ...
Join discussionFeb 9 · 4 min read · Last week, I mainly focused on two parts of Brandify: authentication and the designer page. The goal of authentication is for the web application to authenticate itself using Keycloak, so it can access server resources without the server getting invo...
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Jan 4 · 8 min read · Previously: Migrated from CopilotKit to Vercel AI SDK. Tools work! Planning phase complete. Now: Building the generation infrastructure and hitting another architectural wall. The Problem Emerges It's late afternoon on Dec 26. Tools are working. I'm ...
Join discussionJan 5 · 2 min read · If Part 13 was about the where (Postgres), Part 14 is about the who. Specifically: Who owns the data? As we prepared to open-source Asset Hatch, we hit a philosophical wall. Do I really want to store 5,000 AI-generated images of "Cute Slime with a To...
Join discussionDec 31, 2025 · 3 min read · Apps these days are inaccessible without an internet connection.As we all know, in an online-first architecture, an application fundamentally relies on a constant and stable internet connection to function. Data is primarily managed, stored, and sync...
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Sep 1, 2025 · 9 min read · When you open WhatsApp Web and scan the QR, it looks like “all my chats just appear.” But WhatsApp does not stream your entire history from a server archive. Instead it uses a short, deliberate sequence of steps designed for three goals: Security: k...
Join discussionJul 19, 2025 · 4 min read · Introduction. In a recent article, I introduced Dexie.js, a wrapper library for IndexedDB that simplifies working with it. I should have published this article about using IndexedDB with native APIs before the Dexie.js article. Why? Because only when...
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Jun 8, 2025 · 6 min read · In my early career days, I remember seeing one of my seniors open up Jimmy Breck-McKye’s Dead Simple Text Editor during a Google Meet. It was clean, fast, and didn't need logins or installs—just a quick, disposable notepad to share ideas. Something a...
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May 22, 2025 · 3 min read · 💬 Wait... What's This? IndexedDB is a built-in browser feature that lets you store data locally, like for offline support. Sounds great, but it’s a headache to work with. It's full of boilerplate, callbacks, and weird transactions. If you’re not fam...
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