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...

0 0
2m read
Product Hunt — The best new products, every day • 2026-04-22 02:20

Wrangle

The markdown editor that understands CLAUDE.md Discussion | Link

0 0
1m read
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

0 0
1m read
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...

0 0
11m read
I have no tech background. Here's how I became a Full-Stack Developer anyway.
DEV Community • 2026-04-22 02:11

I have no tech background. Here's how I became a Full-Stack Developer anyway.

Nobody told me I could do this. Not because they didn't believe in me — but because nobody around me had done it before. I didn't study computer science. I didn't go to a coding bootcamp. I didn't have a mentor holding my hand through every error. I came from a completely different world. I ran a café. I managed finances. I dealt with vendors, inventory, customers, and the chaos of running a sma...

0 0
3m read
DEV Community • 2026-04-22 02:10

Vibe Code and Apple...

🚨 Quick Question for Fellow Devs & Apple Devs: I’ve just wrapped up an iOS app built entirely in VS Code + GitHub Copilot, using a web app wrapped in a native shell (think WKWebView-based hybrid—no SwiftUI/UIKit heavy lifting, but fully functional, offline-capable, and polished). Before I hit “Submit” in App Store Connect, I want to double-check something I’ve heard in whispers: ❓ Is it true ...

0 0
1m read
DEV Community • 2026-04-22 02:05

TestSprite — localized dev review with feedback

TestSprite 实战评测：在真实项目里做本地化(dev)回归测试，并给出改进建议（含截图位说明） 发布平台建议：CSDN / Medium / DEV.to（本文为中文稿，可直接粘贴发布） 截图要求：我已在文中预留截图位置，请将你本机实际运行 TestSprite 的截图替换进去再发布。 1. 背景与评测目标 我最近在维护一个真实的前端项目：一个面向多地区用户的后台管理系统（React + Vite，接口为 Node.js）。系统支持 中文/英文 切换，并且存在典型的本地化风险点：日期展示、金额/千分位、时区、以及包含非 ASCII 字符（中文、日文假名、带重音符的拉丁字符）的输入与检索。 这次我使用 TestSprite 做一次更偏开发者视角的评测： 是否能快速接入到现有项目并跑起来 产出的报告是否对定位问题有帮助...

0 0
1m read
DEV Community • 2026-04-22 02:05

Git tracks what changed. It doesn't track why

Last month I lost a three-week conversation with Claude. API timeout, session gone. All the context — the hypotheses we'd tested, the decisions we'd made, the dead ends we'd explored — vanished. I spent two hours trying to reconstruct it from memory. I got maybe 60% back. That was the last time. The problem nobody names If you use AI agents for anything longer than a single session, ...

0 0
5m read
DEV Community • 2026-04-22 02:00

Interactive Prototype vs. Static Mockup: Which Gets You to User Feedback Faster?

Every product decision starts with the same tension: you have an idea, you need feedback, and you need it before you spend weeks building something wrong. The tool you use to gather that feedback — a static mockup or an interactive prototype — determines not just how fast you get responses, but how useful those responses actually are. This comparison breaks down what each approach produces, where...

0 0
7m read
DEV Community • 2026-04-22 02:00

The Agent Payments Land Grab: A Taxonomy

Five companies launched agent payment products in April 2026. Coinbase announced Agentic Wallets. Cobo shipped an 80-blockchain agent wallet. Alipay launched AI Pay. Catena Labs raised $18M from a16z for an AI-native bank. Sapiom closed a $15M seed round. The market validation is complete. Agent payments are real. But zoom out and a pattern emerges: every company is solving a different problem f...

0 0
4m read
Newest questions tagged javascript - Stack Overflow • 2026-04-22 01:58

Java WebRTC server client game

i have been making a simple server -> client datagramsocket racing game with java, the server has all the logic like hitboxes etc, and the client only process graphics and receive parameters the thing is i want to use WASM to play my game in the browser (both server and client), and i learned that i need to use websockets (tcp), the i learned that i need to use webrtc for udp (that what i use h...

0 0
2m read
DEV Community • 2026-04-22 01:56

"I Only Trusted My Channel Abstraction After Plugging In the Third Provider"

There is a quiet rule a lot of us follow: don't abstract until the third use case. One integration is a script. Two integrations is copy-paste with a shared helper. By the third, you find out whether you actually built an abstraction — or whether your first two just agreed on the same shape by accident. I hit that moment last weekend. The problem My open-source project runs as a loca...

0 0
6m read
DEV Community • 2026-04-22 01:49

Why Android used XML (and what I understood after a conversation with my CTO)

Today I had a really interesting conversation with my CTO about something that seems simple: Why did Android use XML for UI? At first, it’s easy to look at it from today’s perspective and think: “Why not just write everything in Kotlin?” But the conversation went deeper than that. XML and HTML are not that different One of the first things we talked about is how XML and HTML a...

0 0
2m read
DEV Community • 2026-04-22 01:46

Home Server GitOps-Lite on Nothing but GitHub and Docker

I run a decent little stack of services out of my house. Whisper (an end-to-end encrypted secret sharing app), bar_keep, archivist, a few other side projects, plus the base infra that ties them together: Traefik, shared networks, a handful of private stacks. For a while every deploy meant SSHing into the server, and I was pretty tired of it. What I actually wanted was something like the popular G...

0 0
9m read
DEV Community • 2026-04-22 01:44

We Benchmarked Our AI Memory SDK. Is the Industry Standard Test Broken?

A three-part story about retrieval engineering, grounding truth, and what 93% accuracy actually costs. 66.9% accuracy. Zero cloud calls. Under one millisecond. Part 1: The Benchmark that confuses… Six weeks ago I sat down to run VEKTOR Slipstream through the LoCoMo benchmark. LoCoMo is the standard test for long-term conversational memory in AI systems. Ten multi-session conversations, 1,986 qu...

0 0
10m read
DEV Community • 2026-04-22 01:43

My 6-week-old language is mass producing Go's async scheduler

The first commit to Mapanare was March 8. It's April 21 now. Somewhere in between, the compiler started compiling itself, and the async benchmarks started landing within spitting distance of Go. That's kind of the whole post. But if you want the fun details, keep reading. What is this thing Mapanare is a compiled language I've been building — first-class agents, signals, streams, tens...

0 0
6m read
DEV Community • 2026-04-22 01:40

CVE-2026-40343: CVE-2026-40343: Fail-Open Request Handling in free5GC UDR Policy Data Subscription

CVE-2026-40343: Fail-Open Request Handling in free5GC UDR Policy Data Subscription Vulnerability ID: CVE-2026-40343 CVSS Score: 6.9 Published: 2026-04-21 A fail-open request handling vulnerability in the free5GC UDR service up to version 1.4.2 allows attackers to create invalid or unintended Policy Data notification subscriptions. The application fails to terminate execution upon enc...

0 0
1m read
Time-series Forecasting with Claude Opus 4.7 and Geneva Forecasting MCP
DEV Community • 2026-04-22 01:38

Time-series Forecasting with Claude Opus 4.7 and Geneva Forecasting MCP

When it comes to any computer task, Claude is inserting itself as the first step for many workers. Instead of opening a spreadsheet, word doc, or powerpoint, a majority of tasks now start with a prompt in Claude. Time-series forecasting is another one of these tasks, often taken on by business analysts or data scientists. And while Claude is gaining the capability to do just about anything, it's...

0 0
1m read
DEV Community • 2026-04-22 01:35

OpenAI Euphony: A Browser-Based Viewer for Harmony Conversations and Codex CLI Sessions

OpenAI Euphony: A Browser-Based Viewer for Harmony Conversations and Codex CLI Sessions OpenAI just shipped Euphony — an Apache 2.0 open source web app for inspecting two specific formats that have been a pain to read with a text editor: Harmony conversations — the structural wire format gpt-oss models are trained on Codex CLI sessions — the rollout-*.jsonl files auto-created by Cod...

0 0
3m read
DEV Community • 2026-04-22 01:35

Why Safari Said 'Link Not Found' (And Chrome Didn't)

This article was originally published on Jo4 Blog. If you build a URL shortener and your links show "Link Not Found" on Safari, you have approximately zero seconds before your support inbox catches fire. That's what happened to us. Chrome, Firefox, Edge — all fine. Safari on iOS and macOS — intermittent "This link could not be found or has expired." For a product whose entire job is redirectin...

0 0
4m read
Previous Next