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MongoDB as the Brain of Modern AI Applications
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DEV Community · Technology

MongoDB as the Brain of Modern AI Applications

Production agents need two persistence layers: thread-scoped state and cross-session memory. Google ADK Sessions stores events and state for a single conversation, while MemoryService handles recall across sessions. LangGraph memory makes the same split with a checkpointer for short-term memory and...

Alex Bevilacqua
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The Entrepreneurial Conundrum
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DEV Community · Technology

The Entrepreneurial Conundrum

I have business ideas all the time. Every few days something pops into my head, usually triggered by some frustration or gap I notice in daily life. Sometimes I jot them down. I'll even flesh a few out, turn a vague thought into something that feels almost real. Then I lose interest. Or I realise I...

Luke Manning
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How to Extract OTP Codes with AI Agents — One API Call
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DEV Community · Technology

How to Extract OTP Codes with AI Agents — One API Call

How to Extract OTP Codes with AI Agents — One API Call Every AI agent hits the same wall: email verification. 80% of online services require an OTP to sign up. Your agent can fill forms, click buttons, solve captchas — but it can't check an inbox. I built SandMail to fix this. One API call creates...

SandMail
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Score de visibilite IA : comment il est calcule et optimise
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DEV Community · Technology

Score de visibilite IA : comment il est calcule et optimise

Context : this post originates from Pulsari, a tool that audits how often a brand is cited by generative AIs (ChatGPT, Claude, Perplexity, Gemini). If you're building for AI search visibility (GEO), the mechanics below are the kind of tradeoffs you'll hit. Un score de visibilite IA te donne un ch...

Augustin Foucheres
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Hacker News · Technology

Show HN: 48 absurd web projects – one every month

A year ago I posted here about a small experiment: https://news.ycombinator.com/item?id=44162363I build one absurd web project every month and publish it on https://absurd.websiteI kept going.There are now 48 projects.The idea is still the same - I build mostly unnecessary web projects that sit som...

absurdwebsite
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thusdev-fetch atteint 256 téléchargements npm en 2 jours !
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DEV Community · Technology

thusdev-fetch atteint 256 téléchargements npm en 2 jours !

In just 2 days, thusdev-fetch has already reached 256 downloads on npm 👉 What is it? An open-source HTTP client for Node.js/JavaScript designed to simplify network requests with built-in support for timeouts, retries, interceptors, and plugins. 💡 Why it matters It helps developers write cleaner,...

Malthus AMETEPE
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An AI-Ready NestJS + Next.js Boilerplate for 2026
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DEV Community · Technology

An AI-Ready NestJS + Next.js Boilerplate for 2026

I built a NestJS + Next.js monorepo I'd happily start any new SaaS on today. It's on GitHub. The README covers what's in it. This post is about three decisions that shaped how it's organized, and why I think they'll hold up as AI assistants keep getting better at writing code. 1. Drizzle...

xiu
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API Key Authentication in smallstack: How We Built Secure External Access
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DEV Community · Technology

API Key Authentication in smallstack: How We Built Secure External Access

One of the core promises of a platform like smallstack is that it plays well with the rest of your stack. That means: a clean REST API, webhook support for external automation — and a way for external systems to authenticate without impersonating a user. We recently shipped API key management for s...

Max Friedmann
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DJI’s Osmo Pocket 4 camera is better at capturing slo-mo footage and photos
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The Verge · Technology

DJI’s Osmo Pocket 4 camera is better at capturing slo-mo footage and photos

Following months of leaks, DJI has announced the fourth version of its handheld stabilized vlogger camera. Unlike the Osmo Pocket 3 that debuted way back in September 2023 with major upgrades like a 1-inch sensor and a larger rotating touchscreen, the new Osmo Pocket 4 features similar hardware with...

Andrew Liszewski
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Govee’s new LED Lightwall comes with its own self-standing frame
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The Verge · Technology

Govee’s new LED Lightwall comes with its own self-standing frame

Govee has announced an upgraded version of its hanging Curtain Lights Pro that can instead be used nearly anywhere you have access to an outlet or large battery. At $449.99, Govee's new Lightwall is more than twice as expensive as the $199.99 Curtain Lights Pro, but comes with more LEDs in a denser...

Andrew Liszewski
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Intro to React: Why Everyone’s Switching (And Why You Might Too)
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DEV Community · Technology

Intro to React: Why Everyone’s Switching (And Why You Might Too)

You open a website. Click a button. It responds instantly. No reload. No flicker. No waiting. Now pause. Another website. Same action. Click… wait… whole page reloads… scroll resets… frustration kicks in. Ever wondered what creates that difference? Let’s walk through it—not like a lesson, bu...

Kathirvel S
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RAG From First Principles: Why Every AI App Retrieves Before It Generates
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DEV Community · Technology

RAG From First Principles: Why Every AI App Retrieves Before It Generates

Large language models have a problem nobody talks about at the beginning. You train a model on terabytes of internet data. It knows a lot. But it doesn't know your data — your company's policies, your product docs, last week's incident report, or the contract you signed yesterday. Ask it anyway, a...

klement Gunndu
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Why Your LLM Leaderboard Scores Don't Matter
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DEV Community · Technology

Why Your LLM Leaderboard Scores Don't Matter

Teams are making critical model selection decisions based on benchmarks designed for someone else's problems. By Ankith Gunapal · Aevyra · April 2026 · 5 min read It usually goes like this: your team needs a language model for a production task. You check the latest leaderboard. GPT-5.4 is at t...

Ankith Gunapal
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Don't Use AI to Do This
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DEV Community · Technology

Don't Use AI to Do This

AI is useful. I use it too. But there is one thing I really do not think you should hand over to it too early. Do not use AI to replace your first round of thinking. That first messy pass matters more than people admit. It is where you figure out what you actually believe, what you do not understa...

0x41414141
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