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Users will be able use AI to create newsletters based on their recordings.

Stealthy startup Arcturus uses lasers to infuse carbon nanomaterials into copper, dramatically improving its ability to conduct electricity.

X has launched a hosted MCP server, making it easier for developers to connect AI applications with the company’s API.

The company may finally be ready to try to deliver on Elon Musk's years-long promise of launching a robotaxi network of its own.

If you've ever wondered how to visualize, teach, or explore keyboards without owning physical hardware, a keyboard simulator is the answer. In this in-depth guide, we explore what keyboard simulators are, how they work, and why they are changing the way people learn to type. Defining a Keyboard Simulator A keyboard simulator is a software application that digitally recreates the visual, functional, and interactive behavior of a physical keyboard. Unlike a simple on-screen keyb...

When most people hear Bitcoin , the conversation usually starts with price. But for developers, Bitcoin is much more than a chart. Bitcoin is a distributed system operating without a central authority. It combines networking, cryptography, game theory, economics, and software engineering into a protocol that has remained operational for years while processing value globally. As a software developer, what fascinates me most is not speculation it’s the architecture. Some concepts eve...

My dashboard had a useMemo doing arithmetic it had no business doing. It was a Pokémon TCG Pocket collection tracker, but that part doesn't matter. What matters is that the home page needed to show three things: overall completion, completion per set, and which set you were closest to finishing. The way I'd built it, the browser was fetching every card and every owned record, then grinding through the math on each render to figure all of that out. It worked. It also got slower and harder...

You have seen this loop before. An agent starts a “simple” task, say scrape listings, refactor a repo, research a market, or whatever. It fails, it retries, it re-reads context, it apologizes and tries all over again. Twenty minutes in and the dashboard shows six figures of tokens and zero useful outputs or deliverables. The model did not misbehave on purpose. The orchestrator never had a hard budget gate with an ROI in mind. Skillware v0.4.0 ships a new skill for exactly that gap: ...

Recentemente percebi uma coisa meio curiosa: eu simplesmente tinha um problema ao consumir o conteúdo do 4noobs do jeito que ele é organizado hoje. Não porque a organização seja ruim — muito pelo contrário. Acho que a comunidade fez um trabalho incrível organizando o projeto. O ponto é que eu percebi que meu jeito de estudar é diferente: tenho muito mais facilidade quando consigo seguir listas, trilhas ou um caminho de aprendizado mais visual. Foi aí que pensei: "Se esse problema e...

Let's be honest—traditional A/B testing is broken. If you've ever implemented client-side testing, you know the drill. Your users load the page, wait for JavaScript to execute, and then—flicker—the content changes. It's jarring. It hurts your Core Web Vitals. And worst of all, your experiments might be measuring user frustration instead of genuine engagement. But what if you could run A/B tests with zero flicker? What if you could modify your HTML before it even reaches the browser? That's...

I was taking a break from the AIE Workshops on Monday and stepped out by the food stands to check out the crepes. That's when I saw a line literally wrapping the entire length of the Moscone West windows looking out onto Fourth Street. I couldn't imagine what a several-hundred-person line was for, and when I went to ask, they told me it was for the Context Engineering Workshop. That sent me down a rabbit hole exploring and understanding and learning. So now, for you, I will share what I got. ...

TRON Vanity Address Generator: How to Get a Custom Wallet Address That Stands Out If you've spent any time in crypto, you've probably noticed that most wallet addresses look like random noise — a string of 34 characters nobody remembers and nobody trusts at a glance. That's exactly the problem vanity addresses solve, and it's exactly what the new tool at tronsec.io/app is built for: generating custom TRON (TRX/USDT-TRC20) addresses that start or end with a sequence you choose. ...

At some point every growing Terraform project hits a wall. Plans that used to finish in seconds now take minutes. Applies feel risky because hundreds of resources share a single blast radius. Colleagues avoid running terraform plan because it hammers cloud APIs hard enough to trigger throttling. The state file itself becomes a liability — large, slow to lock, and one bad write away from corruption. This guide covers the symptoms of an oversized state, the band-aids teams reach for, and the ...

If your Terraform plans are slow, your blast radius is too wide, or multiple teams are stepping on each other's changes, it's time to split your monolith. See The Problem with Large Terraform States for how to diagnose whether you've reached that point. This guide walks through the process of breaking a monolithic Terraform state into smaller, focused states — and how Snap CD can manage the dependencies between them so you don't have to. The approach 1. Identify nat...

Last week we introduced Upsun Dispatch™: a platform for the agentic software development lifecycle, where workflow is the primitive , not the agent. Today, prerelease is open. Starting July 1, a founding cohort of design partners gets early access. This is not a traditional beta. We are looking for engineering teams already running AI workflows and hitting the limits of what individual tools can do: teams who want to help shape what Upsun Dispatch becomes, not just use what we ship. Des...

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FavTutor is genuinely useful for CS students who need code-centered concept help. But live tutoring assumes you have time to learn gradually. When deadlines overlap and execution becomes the bottleneck, a different kind of support is needed. The real skill is knowing which problem you're actually trying to solve.

AI agents should not be judged only by how much they can do. In real enterprise systems, they also need clear “stop rules” that tell them when to pause, escalate, or block an action. Without these controls, an agent may turn missing data, conflicting sources, low confidence, or unclear user intent into a confident but risky decision. A production-ready agent is not just autonomous; it knows when not to act.

If your application is Java-based and requires a pre-built server, use Tomcat. If it’s JavaScript-centric and event-driven, use Node.js. Always consider the trade-offs in resource utilization and failure points to avoid architectural pitfalls.

This guide walks you through building an animated checkmark input with a circular SVG progress ring that fills as the user types, changes color based on input strength, and snaps into a checkmark when validation passes. You will cover SVG stroke math, Framer Motion spring animations, and a clean DRY component pattern all inside a single React file.

The internet is useful. It's also sometimes the wrong tool — a permanent intermediary inserted between two people who are already standing next to each other. Bluetooth was there the whole time.

An AI agent given a routine task — clean up stale feature flags — deleted a production database and its backups in under a minute, despite explicit instructions not to touch production. This is not a one-off: research has documented hundreds of similar agent-inflicted incidents, including Replit's July 2025 production database deletion. This article breaks down why a safety instruction in a prompt is not a safety control, and the three architectural decisions — access scope, reversibility classi...

Let's learn about Malware via these 89 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology. Malware is malicious software designed to disrupt computer operations, gather sensitive information, or gain unauthorized access to computer systems. Understanding and defending against malware is critical for cybersecurity and protecting digital assets. 1. What Is FraudGPT? Hack...

Personalization used to be a spreadsheet trick — factorize a user–item matrix, assume people who behaved alike would keep behaving alike, ship it. That's running out of road. Today's systems care about meaning (content embeddings), react inside a single session instead of a stale profile, and serve through a three-step loop: retrieve, rank, re-rank. The twist? Chase engagement too hard and you build a filter bubble that kills retention — so part of the job is breaking the loop on purpose.