Newest questions tagged javascript - Stack Overflow • 2026-04-20 19:50

"Rendering already started" - in production but not localhost, when exporting audio to wav

Error: Unhandled Promise rejection: OfflineAudioContext.startRendering: Rendering already started ; Zone: <root> ; Task: Promise.then ; Value: DOMException: OfflineAudioContext.startRendering: Rendering already started My code is close to the code from the first answer here: WebAudio API: Is It Possible to Export an AudioBuffer with StereoPanner Node Data? The error occurs only on producti...

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User-Generated Content Isn't Free, It's Just Debt in Disguise 🎭
DEV Community • 2026-04-20 19:47

User-Generated Content Isn't Free, It's Just Debt in Disguise 🎭

We bought into the UGC hype like everyone else authentic content from real users, zero production costs. It sounds like the ultimate marketing hack until your campaign actually goes viral. Then, the brutal truth hits: UGC doesn't eliminate costs; it just shifts them into moderation hell. Instead of paying creators, you’re paying reviewers. Instead of production timelines, you’re building massive...

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Hacker News: Front Page • 2026-04-20 19:47

NASA had to train Apollo 11's astronauts to not use profanity

Article URL: https://www.columbian.com/news/2019/may/31/bad-words-led-some-to-swear-off-apollo-program/ Comments URL: https://news.ycombinator.com/item?id=47839606 Points: 3 # Comments: 0

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DEV Community • 2026-04-20 19:46

Calculer un TAEG en JavaScript avec Newton-Raphson : la méthode propre

Le TAEG (Taux Annuel Effectif Global) d'un prêt immobilier n'admet pas de formule fermée. Il faut l'approcher par itérations successives à partir de la mensualité, du capital et de la durée. La méthode de Newton-Raphson converge en 4 à 8 itérations sur les profils classiques — bien plus rapide que la dichotomie utilisée dans la plupart des simulateurs JavaScript que j'ai audités en 2026. ...

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DEV Community • 2026-04-20 19:44

Migrating from Google Analytics to Privacy-Focused Alternatives

So you've finally decided to ditch Google Analytics. Maybe it's the GDPR headaches, maybe it's the bloated JavaScript bundle, or maybe you just don't want to hand your users' data to the world's largest ad company. Whatever the reason, welcome to the club. I migrated three projects off GA4 over the past year, and each time I picked a different privacy-focused alternative. Here's what I learned co...

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DEV Community • 2026-04-20 19:43

Field Notes from a Solo Builder — Shipping the Beloved Claude Code Buddy Into the Wild - Part II

The alpha was out. But I wasn't satisfied with the architecture. The original Buddy had a fundamental fragility: tightly coupled to Claude Code. Every version upgrade could wipe it. And if you weren't running Claude Code specifically, you were excluded entirely. I didn't want to rebuild the same fragility. The First Principle: No CLI Dependency The core architectural decision was s...

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Build Sprint-Driven AI Projects with vem: Cycles, Tasks, and Flow Metrics
DEV Community • 2026-04-20 19:36

Build Sprint-Driven AI Projects with vem: Cycles, Tasks, and Flow Metrics

🚀 vem is in early access — we're looking for our first users. If you try it and find it useful, we'd love to hear from you. Early access is completely free. Your AI coding agent is smart, but it has no idea what you're working on this week. Every new session starts from scratch — no sprint goal, no priorities, no sense of what's blocked or nearly done. You spend the first five minutes re-explai...

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DEV Community • 2026-04-20 19:34

From Knowledge Base to AI System: How Papers Evolved Beyond My Wildest Dreams

From Knowledge Base to AI System: How Papers Evolved Beyond My Wildest Dreams I'll be honest - when I first started Papers two years ago, I had no idea what I was getting myself into. I just wanted a place to store my technical notes, maybe organize them a bit better. What I ended up with was something that feels like having a second brain, but with all the messy, unpredictable personal...

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ANÁLISE ACERCA DO FRAMEWORK GRPC (GOOGLE REMOTE PROCEDURE CALL): COMPARAÇÕES E DESEMPENHOS
DEV Community • 2026-04-20 19:29

ANÁLISE ACERCA DO FRAMEWORK GRPC (GOOGLE REMOTE PROCEDURE CALL): COMPARAÇÕES E DESEMPENHOS

RESUMO A adoção crescente de arquiteturas de microsserviços trouxe à tona limitações concretas do modelo REST sobre HTTP/1.1, protocolo que dominou a integração de aplicações web por décadas. Serialização em JSON, ausência de multiplexação nativa e cabeçalhos verbosos representam gargalos reais em sistemas de alto volume. O gRPC, framework open source desenvolvido pelo Google, propõe um...

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TestSprite: What Happens When You Test Stripe's Pricing Page for Locale Handling
DEV Community • 2026-04-20 19:29

TestSprite: What Happens When You Test Stripe's Pricing Page for Locale Handling

I pointed TestSprite's AI testing agent at Stripe's pricing page and asked it to find locale bugs. Here's what an autonomous AI tester found that manual QA would likely miss. What TestSprite Does TestSprite is an AI-powered testing agent. You give it a URL, tell it what to focus on, and it auto-generates and executes test cases. No test scripts to write. No Selenium to configure. ...

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DEV Community • 2026-04-20 19:26

Public Integration Without Authentication Exposes Critical Control Failure

ShinyHunters claimed a breach of Rockstar Games' environment through a Snowflake integration. The vector was not a compromise of game infrastructure. It was exploitation of a third-party cloud data platform via misconfigured access controls. The Snowflake campaign - attributed to UNC5537 - followed a consistent pattern across multiple victims: credentials harvested by infostealer malware were use...

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DEV Community • 2026-04-20 19:26

The Failure Mechanism in OT Systems: Identity Boundaries at Execution Context

Opening Position Operational technology security does not fail because operators lack awareness. It fails because the control layer enforces no identity boundary at runtime. IT/OT convergence has been treated as a networking problem - segment the traffic, firewall the boundary, monitor the flows. This assumes the protocols behind the boundary enforce their own trust. They do not. OPC U...

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DEV Community • 2026-04-20 19:26

AI killed the junior dev ladder. Nobody has a plan for what's next.

We are creating an industry that employs senior engineers but at the same time are actively eliminating the very means of producing them. This is not a hot take. This is the math. The Ladder Is Disappearing Junior dev work has always been the training ground. You build a button component. You wire up a form. You fix a CSS bug and seriously reevaluate your life decisions. Those reps are...

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Hacker News: Front Page • 2026-04-20 19:24

Rumor: Anthropic is going to buy Atlassian?

Article URL: https://old.reddit.com/r/atlassian/comments/1sob1s2/atlassian_anthropic/ Comments URL: https://news.ycombinator.com/item?id=47839283 Points: 9 # Comments: 0

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DEV Community • 2026-04-20 19:23

We Built a Custom Playwright Rendering Pipeline for Our MCP Server — Here is What We Learned

We Built a Custom Playwright Rendering Pipeline for Our MCP Server — Heres What We Learned At Haunt API, we build web extraction tools for AI agents. Our MCP server lets Claude and other AI assistants extract structured data from any URL. Simple enough on paper — fetch a page, parse the HTML, return JSON. The problem? Half the internet doesnt want to be fetched. The Problem W...

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DEV Community • 2026-04-20 19:22

Beyond Hello World: The Brutal Truth About Real AI Agent Development

Beyond Hello World: The Brutal Truth About Real AI Agent Development Honestly, I thought building AI agents would be easy. I mean, how hard could it be, right? Just chain a few prompts together, add some memory, and boom - you've got yourself an intelligent agent. Spoiler alert: it's not that simple. After building 17 completely broken versions of my AI agent system BRAG, I've learned s...

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Your Latency Problem Isn't Model Size
DEV Community • 2026-04-20 19:20

Your Latency Problem Isn't Model Size

Your Latency Problem Isn't Model Size (It’s Your Routing) We spent months chasing latency. Bigger GPUs, smaller batch sizes, every optimization trick in the book. Yet, our chatbot still crawled at 3s+ per response. While our throughput dashboards looked green, our users were staring at blank loading states. The hard truth? We were using a Ferrari to fetch groceries. 🛑 The ...

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O básico para gerenciar e se proteger de vulnerabilidades em dependências no seu projeto Node.
DEV Community • 2026-04-20 19:20

O básico para gerenciar e se proteger de vulnerabilidades em dependências no seu projeto Node.

Verificar e eliminar vulnerabilidades em dependências pode ser mais simples do que você imagina e lhe garanto que isso pode salvar seu tempo e te livrar de algumas dores de cabeça no futuro. Antes de tudo, é importante saber gerenciar as dependências do seu projeto e entender como o seu gerenciador de pacote faz uma parte do trabalho para você, nesse artigo vou abordar os seguintes tópicos: ...

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DEV Community • 2026-04-20 19:18

How I Built and Launched a Developer Tool in One Weekend from a Chromebook

I'm not a professional developer. But I had an idea on Friday night and by Sunday I had a live product at troubleshooting.sh. Here's exactly how it happened. The problem I kept running into Every time I hit a cryptic error I'd copy-paste it into ChatGPT and get back something like "make sure your variable is defined." Technically correct. Completely useless. I wanted something that...

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Newest questions tagged css - Stack Overflow • 2026-04-20 19:17

CSS calc() function and 100% value

In this example, I create a div element with 100% width. I then compute in two different means the position of the mouse in the div: left-most position should give value 0, while right-most position should give value 1 (ratio of offset to width). I compute in javascript and that works as expected. I also compute with css, but I get a completely different result. There must be something I am missin...

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