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SMS OTP Login Backend: Send, Verify, Rate Limit, and Retry

A gaming backend that uses SMS OTP to protect access to generated player reports has two separate jobs: let a hosted service issue and verify the code, and make the application control who may ask, ho

dev.to Oct 07, 2026 Read more →

How to add a side pane to Claude Code with a mod using $.ui.open and ui.render

To show a pane from a mod, you do two things: open it with $.ui.open({ id }), and return its contents from ui.render with { component: 'Pane' }. Opening alone draws nothing. After you open it, Claude

dev.to Oct 07, 2026 Read more →

The Customer Said ‘Make It Easier.’ AI Decided What That Means.

The Customer Said ‘Make It Easier.’ AI Decided What That Means. Customer feedback is usually much less precise than the features built from it. A customer writes, "This setup is too complic

dev.to Oct 07, 2026 Read more →

Your AI Says the Project Is on Track. Which Source Is It Trusting?

Your AI Says the Project Is on Track. Which Source Is It Trusting? A good AI-generated status update is difficult to dislike. It turns a noisy week into three clean sections: what was compl

dev.to Oct 07, 2026 Read more →

Your voice agent passed the browser test. The phone line is a different exam.

Here's a pattern I keep running into. Someone builds a voice agent, talks to it from their laptop for an afternoon, and it's great. It catches every date and reads back every order number in a warm, f

dev.to Oct 07, 2026 Read more →

Borrowed Eyes: When the Agent Works for Someone Who Can't See

Most talk about AI agents and human labor goes one direction: an agent needs a photo of a place, so it hires a person to take one. But the most interesting version of this market may flow the other wa

dev.to Oct 07, 2026 Read more →

Product Hunt: I built a video editor that renders sharp 1080p MP4s entirely in the browser

ByteMorph is live on Product Hunt today. It turns website and app screen recordings into sharp vertical reels for TikTok, Reels and Shorts, with a laptop-to-phone morph, 3D intros, feature callouts an

dev.to Oct 07, 2026 Read more →

Avoiding Race Conditions When VIN Decode Timeouts Overlap With New Submits

A free VIN decode often pairs a per-request timeout with a submit button users can mash. Timeout budgets are good. The trap is a late response from a timed-out call still winning the UI after the user

dev.to Oct 07, 2026 Read more →

Who wrote this line of your Playwright test — the engineer, the model, which model, which run? Three design decisions from building a scaffolder that answers that question. Just published in Elsevier SoftwareX.

Auditable AI in QA: what Playwright MCP taught me about scaffolding tests that don't drift

dev.to Oct 06, 2026 Read more →

Data Science in 2026: A Practical Guide to Skills, Careers, and Getting Started

Every time you stream a show, order food online, or get a fraud alert from your bank, data science is working behind the scenes. Companies now treat data as one of their most valuable assets, and the

dev.to Oct 06, 2026 Read more →

The AI API Was the Easy Part: Building a Production AI SaaS with Queues, Provider Abstraction, and Billing

When I started building AI Music, the core workflow looked almost trivial: User prompt ↓ Backend ↓ AI API ↓ Generated song For a prototype, that is enough. The interesting problems s

dev.to Oct 06, 2026 Read more →

Context engineering vs prompt engineering

Prompt Engineering Is Too Small a Mental Model, Think Context Architecture I was knee‑deep in a fintech app that tried to answer user questions about credit‑score changes. My first version

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Your dashboard is why nobody comes back

A team building an AI-spend tool shipped a dashboard first. The testers' reaction, verbatim: "started with dashboards, not alerts; testers said 'cool' and never opened it again." "Cool" is the wor

dev.to Oct 06, 2026 Read more →

42% of UK law firms are missing required price transparency (here's what you need)

After analyzing 6,300+ UK law firm websites, we found 42% were missing the price and service information required by SRA Transparency Rules. Here's what the rules actually require, and why so many fi

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Quantization Is a Silent Fine-Tune Breaking Your Edge AI

TL;DR — Quantizing a small language model for on-device deployment doesn't just shrink it — it changes its behavior in ways that generic benchmarks don't catch. Teams treat quantization as a lossless

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The real cost of self-hosting your own CI/CD runner

It starts with a reasonable decision. Your hosted CI minutes bill keeps climbing, or your builds need more memory than the default runners give you, or your tests need to reach a database inside your

dev.to Oct 06, 2026 Read more →

Stop Blaming AI for Bad Code: It’s a Scalpel, Not a Magic Wand

Scroll through any developer platform right now, and you will immediately notice a massive trend: hating on AI. It has become so popular that I honestly cannot tell who is just chasing the current tr

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Scriptc by Vercel: TypeScript-to-Native compiler, no JavaScript engine in binary

Scriptc by Vercel: TypeScript-to-Native compiler, no JavaScript engine in binary Scriptc by Vercel: TypeScript-to-Native compiler, no JavaScript engine in binary Scriptc by Vercel turns yo

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Auditable AI in QA: what Playwright MCP taught me about scaffolding tests that don't drift

A Playwright test fails in staging. The button locator misses. You start the bisect, half an hour in you realise you've never seen the file before — an LLM generated it, someone shipped it, and nobody

dev.to Oct 06, 2026 Read more →

Single-file HTML templates: why the "boring" stack still wins for landing pages

Every few months a new meta-framework promises to make websites simpler by adding another layer. Meanwhile, some of the best-performing sites on the web are one HTML file and a stylesheet. We build a

dev.to Oct 06, 2026 Read more →
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