Why I Built byCode: A 100% Local, Privacy-First AI IDE
DEV Community • 2026-04-22 02:54

Why I Built byCode: A 100% Local, Privacy-First AI IDE

Over my 25 years in the tech industry, I’ve seen paradigms shift, frameworks rise and fall, and tools evolve. The AI revolution is undeniably one of the most powerful shifts we've experienced. But the way AI coding assistants are currently being built raised a massive red flag for me: we are actively trading our intellectual property and codebase privacy for convenience. Most modern AI coding t...

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I Built an Audio-to-MIDI Converter That Runs on Your Laptop — Using Spotify's AI
DEV Community • 2026-04-22 02:54

I Built an Audio-to-MIDI Converter That Runs on Your Laptop — Using Spotify's AI

Have you ever listened to a melody and thought, "I wish I had the sheet music for that"? Or maybe you recorded a guitar riff on your phone and now you want to edit it in a DAW as MIDI notes. The usual options aren't great: expensive transcription software, sketchy online upload tools, or doing it by ear like it's 1995. I built something better. It's a free audio-to-MIDI converter that runs a mach...

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8m read
DEV Community • 2026-04-22 02:53

The Manifest You Never Wrote — A Flutter Developer's Guide to Android Manifest Merging

If you've been building Flutter apps for a while, you've probably touched your AndroidManifest.xml once during setup, added a permission or two when a plugin asked for it, and moved on. That's completely normal — Flutter does a great job keeping Android complexity out of your way. But here's something worth knowing: the manifest you write is never actually the one that ships. By the time your app ...

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Turn Your MIDI Files Into Real Sheet Music — Without Leaving the Browser
DEV Community • 2026-04-22 02:53

Turn Your MIDI Files Into Real Sheet Music — Without Leaving the Browser

I have a folder full of MIDI files from old composition projects. They're great for playback, but useless when I want to hand a score to a pianist or import something into Finale. Most MIDI-to-sheet converters are either desktop software with painful licensing or online tools that want you to upload your files to who-knows-where. So I built one that runs entirely in the browser. Drop a .mid or .m...

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Hacker News: Front Page • 2026-04-22 02:49

FBI looks into dead or missing scientists tied to NASA, Blue Origin, SpaceX

Article URL: https://fortune.com/2026/04/21/scientists-disappear-die-nasa-space-blue-origin-spacex/ Comments URL: https://news.ycombinator.com/item?id=47858246 Points: 15 # Comments: 1

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How I Built an AI Agent That Investigates Cloud Bill Spikes (Architecture Inside)
DEV Community • 2026-04-22 02:48

How I Built an AI Agent That Investigates Cloud Bill Spikes (Architecture Inside)

I built Ghost-hunter, an AI agent that investigates cloud bill spikes the way a senior on-call engineer would: one hypothesis at a time, read-only, every command validated before it runs. The core design choice is that it's two agents, not one — a lead detective (Claude Opus) that forms theories and never touches your cloud, and an evidence technician (Claude Sonnet) that drafts commands which the...

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10m read
DEV Community • 2026-04-22 02:46

Axum Middleware Explained for Absolute Beginners (With Full Code)

Middleware in Axum often looks scary—not because it’s hard, but because the code syntax feels unfamiliar. This guide explains everything in a very simple, beginner-friendly way, including: Full working code Cargo.toml setup Clear explanation of the confusing parts 🧠 What is Middleware? Middleware is just a function that runs: before your handler after your handler Think o...

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I kept forgetting to delete my venvs, so I built a GUI for it
DEV Community • 2026-04-22 02:45

I kept forgetting to delete my venvs, so I built a GUI for it

Finished projects have this thing where they just... sit there. The code's done, the repo's pushed, and you've moved on. But somewhere on your disk, there's still a .venv quietly taking up space. Maybe you remembered to delete it. Probably you didn't. I started noticing this when I was running low on disk space and had no idea where it all went. Turned out I had a bunch of old Python projects I'd...

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Newest questions tagged javascript - Stack Overflow • 2026-04-22 02:44

Why are my async/await errors not being caught properly in my Node.js Express middleware?

I am building a REST API using Node.js with Express, and I’m running into an issue where errors thrown inside an async route handler are not being caught by my error-handling middleware. const express = require('express'); const app = express(); app.get('/user', async (req, res, next) => { const user = await getUserFromDatabase(req.query.id); if (!user) { throw new Error('User not fou...

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Product Hunt — The best new products, every day • 2026-04-22 02:36

Blink AI CFO

AI CFO that autonomously trades stocks and options via Slack Discussion | Link

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Rescuing EXIF GPS from iPhone 17 HEIC, in a browser-only app
DEV Community • 2026-04-22 02:35

Rescuing EXIF GPS from iPhone 17 HEIC, in a browser-only app

My wife teaches outdoor-nature classes in Taipei and drops photos into TrailPaint, a small browser-only tool I built so she could make trail maps for her class handouts without wrestling with Canva. Drag GPX in, drop photos on the map, export a PNG. The whole thing runs in the tab. One of the features she relies on is auto-placement: drop twenty photos and each one lands on its own spot because t...

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Product Hunt — The best new products, every day • 2026-04-22 02:31

TabMail

An agentic email assistant for iOS and Thunderbird Discussion | Link

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Hacker News • 2026-04-22 02:26

Show HN: MemFactory: Unified Inference and Training Framework for Agent Memory

Comments

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Product Hunt — The best new products, every day • 2026-04-22 02:24

Wellows

See how AI talks about your brand — and fix it Discussion | Link

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Strip Location Data From Your Photos Before Posting — Here's the Browser Tool That Does It
DEV Community • 2026-04-22 02:23

Strip Location Data From Your Photos Before Posting — Here's the Browser Tool That Does It

Every photo you take carries a hidden backpack of metadata. Camera model, lens settings, GPS coordinates, timestamps — it's all buried in the EXIF data. Most people don't know it's there. Some people really don't want it there. I built an EXIF editor that runs entirely in your browser. Drop a JPEG, PNG, WebP, or TIFF file in, see every metadata field, edit what you want, delete what you don't, an...

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Hacker News: Front Page • 2026-04-22 02:21

OpenAI reinvents Recall except everything is stored remotely

Article URL: https://developers.openai.com/codex/memories/chronicle Comments URL: https://news.ycombinator.com/item?id=47858014 Points: 4 # Comments: 0

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DEV Community • 2026-04-22 02:21

Why Developers End Up Using Split Keyboards

A lot of developers do not think much about keyboards at first. That usually changes after enough long days of coding, reviewing PRs, answering messages, and moving between tools. Over time, the keyboard stops feeling neutral. You notice the physical side of the work: tighter shoulders, inward wrists, and the kind of low-level fatigue that builds up quietly. That is where split keyboards start t...

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Product Hunt — The best new products, every day • 2026-04-22 02:20

Wrangle

The markdown editor that understands CLAUDE.md Discussion | Link

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Hacker News: Front Page • 2026-04-22 02:15

Kuri – Zig based agent-browser alternative

Article URL: https://github.com/justrach/kuri Comments URL: https://news.ycombinator.com/item?id=47857964 Points: 5 # Comments: 1

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I Taught a Browser to Play Piano — Here's How It Figures Out Which Finger Goes Where
DEV Community • 2026-04-22 02:12

I Taught a Browser to Play Piano — Here's How It Figures Out Which Finger Goes Where

Learning piano is hard enough without guessing which finger hits which key. Most sheet music doesn't bother telling you, and when it does, the fingering is often generic or just plain wrong for your hand size. I got tired of that, so I built a tool that reads a MusicXML score, runs a full physics-and-biomechanics simulation in your browser, and shows you exactly how your hands should move across t...

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