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Newest questions tagged javascript - Stack Overflow • 2026-04-17 18:23

Motion: How to combine parent staggerChildren with individual animations when dynamically adding items?

I am building a dynamic list in React with Framer Motion. I want to achieve two goals: When the list initially mounts, the items should animate in sequentially using the parent's staggerChildren. When I dynamically append a new item to the list later, that specific new item should play its own entrance animation. However, I am facing a tough situation with variant propagation: Scenario A: If I...

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Newest questions tagged reactjs - Stack Overflow • 2026-04-17 18:23

How to combine parent staggerChildren with individual animations when dynamically adding items?

I am building a dynamic list in React with Framer Motion. I want to achieve two goals: When the list initially mounts, the items should animate in sequentially using the parent's staggerChildren. When I dynamically append a new item to the list later, that specific new item should play its own entrance animation. However, I am facing a tough situation with variant propagation: Scenario A: If I...

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2m read
DEV Community • 2026-04-17 18:22

A Pythonic Way to Handle Emails (IMAP/SMTP) with Auto-Discovery and AI-Ready Design

The Problem If you've ever tried to read or send emails with Python, you know the pain: # The old way import imaplib import email mail = imaplib.IMAP4_SSL("imap.gmail.com") mail.login("user@gmail.com", "password") mail.select("inbox") _, data = mail.search(None, "UNSEEN") for num in data[0].split(): _, msg_data = mail.fetch(num, "(RFC822)") msg = email.message_from_bytes(msg...

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8m read
DEV Community • 2026-04-17 18:21

I Collected 8.9 Million Polymarket Price Points — Here's What I Found About How Markets Really Move

Everyone says prediction markets are efficient. I spent 30 days collecting data to test that claim. The result: 8.9 million data points across 9,550 markets — and the data tells a story most traders miss completely. The Setup I built an automated collector that snapshots every active Polymarket market every 15 minutes. Not just BTC or the US election — every market. Politics, sports, ...

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Hacker News • 2026-04-17 18:20

Show HN: How context engineering works, a runnable reference

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HackerNoon • 2026-04-17 18:20

LLM Evals Are Not Enough: The Missing CI Layer Nobody Talks About

Running LLM evals is not the same as being able to trust them in production release workflows. That is the core argument of this piece. Evals generate useful measurements such as pass rates, groundedness scores, safety findings, and per-test results, but CI/CD systems do not need measurements alone. They need a deterministic answer to a much narrower question: should this build pass or fail? The ...

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Newest questions tagged javascript - Stack Overflow • 2026-04-17 18:19

React native expo Facing Route erroe

I am encountering an issue with my running app. Does anyone know a solution? I have been searching for a solution for two days but am not getting any answer.

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EcoTrack AI — Carbon Footprint Tracker & Dashboard
DEV Community • 2026-04-17 18:18

EcoTrack AI — Carbon Footprint Tracker & Dashboard

This is a submission for Weekend Challenge: Earth Day Edition EcoTrack AI — Track, Visualize & Reduce Your Carbon Footprint This is my individual work, built entirely from scratch for the #weekendchallenge. 🔗 Links 🚀 Live Demo: ecotrack-ai-317275340485.asia-south1.run.app 💻 GitHub Repo: github.com/Gowtham280103/greenprint 💡 What is EcoTrack AI? EcoTrack AI is a full-stack web application tha...

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DEV Community • 2026-04-17 18:18

Everyone's Using AI. No One Agrees How.

I got a DM from a principal engineer last week. He's spending more than $2,000 a month on AI tokens. Not because he's lazy. Because he's figured something out. The tool isn't giving him 10x output. It's giving him exponential output. He's orchestrating agents, chaining workflows, building systems that compound. I know a tech lead who turned his AI license back in. Said he doesn't want to use it. ...

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Hacker News: Front Page • 2026-04-17 18:17

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder

Article URL: https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/The_toxic_side_of_the_Moon Comments URL: https://news.ycombinator.com/item?id=47808913 Points: 4 # Comments: 0

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HackerNoon • 2026-04-17 18:16

Product-Market Fit Is a Perishable Good — Here’s the Operating Manual

90-95% of products fail because teams discover a wrong assumption too late. AI made code nearly free, but that just means you can build the wrong thing faster. The fix: treat PMF as a perishable good, start with Jobs To Be Done, build lightweight MVPs to reach actual sales fast, and run a hypothesis factory with explicit kill criteria. Six-step checklist included.

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Set Up Automated Follow Up Replies on Your Best Threads Posts From Claude
DEV Community • 2026-04-17 18:15

Set Up Automated Follow Up Replies on Your Best Threads Posts From Claude

Your best post this month probably deserved a follow-up and didn't get one. Mine did too. For months, I watched posts hit 200 likes and then just sit there. The attention came and went. I was busy with client work or asleep or eating dinner with my kid. By the time I saw the post blowing up, the moment was over. The fix is automation. Set up a follow-up reply in advance. Define the trigger (say 1...

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DEV Community • 2026-04-17 18:14

Hello, World. The Dark Forest Just Got Autonomous (And Why Your AI Agent is Probably Going to Get Rekt).

TL;DR: I've spent the last 3 years auditing smart contracts. Now, developers are handing over private keys and on-chain execution rights to LLMs. This is a disaster waiting to happen. I'm building Agent-Guardian to fix this, and I'll be sharing my red-teaming notes here. If you’ve been paying attention to the Web3 space lately, you’ve probably noticed the shift. We are no longer just writing smar...

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Product Hunt — The best new products, every day • 2026-04-17 18:12

Byoky

Share your AI budget without sharing your keys Discussion | Link

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DEV Community • 2026-04-17 18:10

Day 1 — Journey to Becoming a Complete Full-Stack Developer (2026 Edition) 🚀

Day 1 — Journey to Becoming a Complete Full-Stack Developer (2026 Edition) 🚀 Starting from absolute beginner → professional engineer in 1 year. Phase 0: Foundation Before writing a single line of code, I’m focusing on understanding how computers, the internet, and developer tools actually work. Today’s focus: How the Internet Works 🌐 Here’s what I’ve covered: What happens when you type a UR...

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DEV Community • 2026-04-17 18:10

Mastering Unit Testing in Spring Boot: How I Achieved 70%+ Coverage for Open Source

Testing is not about finding bugs; it's about gaining the confidence to ship code. Recently, while contributing to an Open Source project for GSSoC 2026, I took on the challenge of writing unit tests for a complex DecisionService. My goal was 70%+ coverage, but the journey was filled with NullPointerExceptions and mocking hurdles. Here is how I solved them. The Challenge The DecisionService I wa...

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DEV Community • 2026-04-17 18:09

AI should be Multiplayer

Every meaningful thing we do at work... brainstorming, decision making, debating involves multiple people. Yet look around: each and every AI tool that you use today forces a one-on-one turn taking interaction that doesn't map to how collaboration in your life happens. And yet for all the talk of agentic coworkers, what we have now is much better delegation, not genuine participation. ...

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DEV Community • 2026-04-17 18:08

AI Agents in Production: The Hardest Part Isn't the Model

Everyone's talking about AI Agents. But most teams I speak to are still figuring out where to even begin — and the ones that have started are hitting walls they didn't anticipate. I've spent the last several months building and debugging agentic workflows in production. Here's the honest truth I wish someone had told me earlier. The hardest part isn't the model When engineers first he...

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DEV Community • 2026-04-17 18:07

Noderax — Infrastructure Control Plane

Most teams still manage Linux infrastructure through a mix of SSH sessions, shell scripts, cron jobs, and disconnected dashboards. Noderax is an open-source infrastructure control plane designed to make that workflow coherent. It combines a self-hosted control plane with a lightweight agent installed on your servers, so you can manage infrastructure operations from a single interface. With Noder...

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Bloom Filters for AI Agents: The Small Cache Trick That Saved My Retrieval Pipeline
DEV Community • 2026-04-17 18:07

Bloom Filters for AI Agents: The Small Cache Trick That Saved My Retrieval Pipeline

Bloom filters felt like a purely academic data structure—until an agent pipeline started repeating work. At that point, they became immediately practical. Problem The system needed a fast, low-cost way to check whether something had probably been seen before. Not certainty. A strong enough signal to avoid redundant work. Failure Mode The agent repeatedly: revisited...

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