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From Netdata Inspiration to SaaS MVP: Server Monitoring with Bun + Claude Code Opus 4.6

DEV Community • 2026-04-25 16:19

From Netdata Inspiration to SaaS MVP: Server Monitoring with Bun + Claude Code Opus 4.6

If you've ever set up Netdata, you know that feeling — hundreds of real-time charts, per-second granularity, metrics you didn't even know your kernel exposed. It's a wonderful piece of software, genuinely one of the best open-source monitoring tools out there. But here's the thing: I run a small fleet of CDN servers. I don't need 2,000 charts. I need to glance at a single dashboard and know: are ...

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8m read

DEV Community • 2026-04-25 16:19

The mid-level engineer is the real casualty of AI. Not the junior.

Everyone's wringing their hands about juniors getting replaced by AI. They're worried about the wrong people. The developer most at risk isn't the one still learning. It's the one whose entire job is turning tickets into pull requests. The Ticket-to-PR Pipeline Has a New Operator Ivan Turkovic wrote an essay recently that stopped me mid-scroll. His argument is simple and uncomfortable...

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3m read

Hacker News: Front Page • 2026-04-25 16:11

Using coding assistance tools to revive projects you never were going to finish

Article URL: https://blog.matthewbrunelle.com/its-ok-to-use-coding-assistance-tools-to-revive-the-projects-you-never-were-going-to-finish/ Comments URL: https://news.ycombinator.com/item?id=47902525 Points: 25 # Comments: 5

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DEV Community • 2026-04-25 16:10

What Actually Happens When a Query Hits Your WunderGraph Cosmo Supergraph

A plain-English breakdown for developers migrating from Apollo GraphOS — or just trying to understand Federation for the first time. If you’ve read the WunderGraph Cosmo documentation and still aren’t sure exactly what’s happening when a client query arrives at your supergraph, this is the post you needed first. Federation documentation tends to explain the what — subgraphs, the router, the s...

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6m read

Newest questions tagged reactjs - Stack Overflow • 2026-04-25 16:08

ByteCode C2 Framework

You're on a red team engagement. You generate a Havoc payload. You execute it on Windows 11. Windows Defender catches it immediately. This happened to me. Repeatedly. Stock open-source C2 frameworks (Havoc, Sliver, Covenant) are heavily signatured. EDR vendors have had years to reverse them. The signatures aren't just for the binaries anymore—they're for the behaviors. I decided to build a new C2 ...

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1m read

HackerNoon • 2026-04-25 16:03

The HackerNoon Newsletter: STM32 Ethernet Explained (4/25/2026)

How are you, hacker? 🪐 What’s happening in tech today, April 25, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, we present you with these top quality stories. From STM32 Ethernet Explained ...

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1m read

DEV Community • 2026-04-25 16:03

#1 DevLog Meta-research: I Got Tired of Tab Chaos While Reading Research Papers.

Every time I sit down to explore a research topic, the same thing happens. I open arXiv for preprints. Then Semantic Scholar for citations. Then Crossref to verify a reference. Then back to arXiv because I forgot the paper I was on. Then I lose the thread entirely. Sound familiar? That frustration is why I started building Meta-Research an AI-powered web platform for academic literature search,...

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4m read

DEV Community • 2026-04-25 16:01

Loading Data From Anywhere (And Why It Always Breaks the First Time)

Here is a thing that happens to every data scientist at least once a week. You download a dataset. Clean CSV file, looks straightforward. You run pd.read_csv("data.csv"). Python explodes. Error you have never seen before. The file opened fine in Excel. What happened? Or you call an API. JSON comes back. You try to load it. The structure is three levels deep and nothing is where you expected. Or...

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6m read

DEV Community • 2026-04-25 16:00

Anti-Join in MongoDB

SQL databases implement anti-joins—finding rows with no match—through NOT EXISTS. Although anti-join is not a distinct relational algebra operator, it can be derived from set difference and semi-join. A naive implementation that scans both sets to find the complement would not scale, so databases use short-circuit evaluation: the inner scan stops as soon as a match is found or ruled out, because o...

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7m read

Hacker News: Front Page • 2026-04-25 15:59

Niri 26.04 was just released (scrollable-tiling Wayland compositor)

Article URL: https://github.com/niri-wm/niri/releases/tag/v26.04 Comments URL: https://news.ycombinator.com/item?id=47902416 Points: 7 # Comments: 3

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DEV Community • 2026-04-25 15:53

I made a swing boat that reacts to doom scrolling

When I was a kid, I tried the swing boat a few times and hated it. It made me dizzy. The kind of dizzy where you are not sure if it is fun anymore. You start slow, then someone keeps pushing, and before you know it you are too high and your stomach does not agree. I got that same feeling recently, but from scrolling. Doom scrolling is that thing you do when you open your phone for no reason and ...

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2m read

DEV Community • 2026-04-25 15:53

Finn 💰 — A Personal Finance Assistant That Lives in WhatsApp

This is a submission for the OpenClaw Challenge. What I Built Finn is a personal finance assistant that lives entirely in WhatsApp. No app to install, no dashboard to remember to open — you just message Finn the way you'd message a friend. The problem Finn solves is a real one: most personal finance tools require you to change your habits (log into an app, categorize manually, reme...

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8m read

DEV Community • 2026-04-25 15:52

Building a Cryptographically Secure 4-Agent E-Commerce System: A Practical Guide

The Problem: Agent Trust Is Broken by Default Here's a scenario that keeps me up at night: You have a payment agent on your network that accepts POST requests to /charge. It doesn't know if that request came from your order agent, a replayed token, or something else entirely on your network. That's not a theoretical risk. That's an open door. Multi-agent e-commerce systems are the per...

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5m read

Hacker News • 2026-04-25 15:52

Show HN: Odozi – open-source iOS journaling app

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DEV Community • 2026-04-25 15:51

Grooming operates over time. Here's how behavioral detection tracks it.

Every system designed to detect child grooming has the same problem: it's looking at the wrong unit of analysis. Grooming doesn't happen in a message. It happens across weeks of messages — a slow accumulation of trust, a gradual shift in conversational register, an escalation in contact frequency that would look unremarkable if you sampled any individual session but reads clearly as a pattern whe...

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7m read

Hacker News: Front Page • 2026-04-25 15:51

What's Missing in the 'Agentic' Story

Article URL: https://www.mnot.net/blog/2026/04/24/agents_as_collective_bargains Comments URL: https://news.ycombinator.com/item?id=47902339 Points: 6 # Comments: 0

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1m read

DEV Community • 2026-04-25 15:49

TodoMaster Pro — Launch

Revolutionize Your Workflow with TodoMaster Pro In today's fast-paced world, project managers and team leads in tech and creative industries face a common challenge: managing tasks across multiple projects while ensuring collaboration among team members. The struggle to prioritize tasks, meet deadlines, and maintain productivity can often feel overwhelming. Enter TodoMaster Pro—your ult...

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3m read

The Dunning-Kruger Effect: Why Your First 6 Months With a Framework Are a Lie

DEV Community • 2026-04-25 15:48

The Dunning-Kruger Effect: Why Your First 6 Months With a Framework Are a Lie

Hi there! I love learning. Who doesn't? I'm a firm believer that learning compounds over time and is the greatest leverage anyone has, in every area of life. But the process of learning has a sneaky trap built into it. You usually start with an idea of what you want to learn and then go searching. Websites, books, videos, online courses — all fair game. At the beginning, everything makes sense. C...

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4m read

DEV Community • 2026-04-25 15:46

How AutoGLM Brings AI-Powered Browser Automation to Everyone

*This is a submission for the OpenClaw Writing Challenge What AutoGLM Is and Why It Matters Most automation tools demand that you speak their language — XPath selectors, CSS classes, API schemas, script syntax. AutoGLM flips that equation. Built on top of OpenClaw's browser control infrastructure, it accepts natural language instructions and translates them into browser actions. You de...

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3m read

Your Pipeline Is 28.3h Behind: Catching Business Sentiment Leads with Pulsebit

DEV Community • 2026-04-25 15:40

Your Pipeline Is 28.3h Behind: Catching Business Sentiment Leads with Pulsebit

Your Pipeline Is 28.3h Behind: Catching Business Sentiment Leads with Pulsebit We just uncovered a fascinating anomaly in the sentiment data: a 24-hour momentum spike of -0.587 in the business sector. What’s more intriguing is that the English press is leading this conversation with a 28.3-hour head start. In a world driven by rapid information flows, this lag is a wake-up call for anyo...

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3m read