DEV Community • 2026-04-22 15:55

Contract-Based Design: How I Make AI Agents Work Faster Without Breaking Each Other

These are my personal thoughts based on what I've been experimenting with in my day-to-day work. I'm not claiming this is the perfect way — I'm sharing what works for me and I'm genuinely open to hearing what you think, what I'm missing, and how you approach this differently. The Problem Nobody Talks About Everyone is excited about AI agents. You give them a task, they go build it...

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6m read
DEV Community • 2026-04-22 15:53

Cursor Rules for React: The Complete Guide to AI-Assisted React Development

Cursor Rules for React: The Complete Guide to AI-Assisted React Development React is the framework where "it renders" hides the longest lie. The component mounts, the screen looks fine, and nothing in the build pipeline tells you the parent re-renders the whole tree on every keystroke, that a useEffect is fetching twice in dev and you "fixed" it by removing a dependency, or that the con...

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19m read
DEV Community • 2026-04-22 15:52

How I Built an Idle Loop That Keeps My AI Agent Working Between Tasks

The Problem My AI agent was idle 90% of the time. Between my requests, it just sat there. GPU loaded, API connections open, doing absolutely nothing. That felt like leaving a factory running with no production line active. So I built a lightweight idle loop. Here's exactly how. The Architecture (3 Components) 1. Plan-Tree with Timestamps A markdown file that tra...

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3m read
DEV Community • 2026-04-22 15:51

Cursor Rules for Angular: The Complete Guide to AI-Assisted Angular Development

Cursor Rules for Angular: The Complete Guide to AI-Assisted Angular Development Angular is the framework where "it compiles" hides the longest lie. The page renders, the router navigates, and nothing in ng build tells you that a component under a default-change-detection parent re-runs twenty bindings every time the mouse moves, that a Subscription inside ngOnInit is still emitting thre...

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18m read
DEV Community • 2026-04-22 15:51

OpenNextJS vs. Next.js: A Beginner's Guide to Choosing the Right Platform

The Confusion You've built a Next.js app. It works great on your laptop. Now you need to deploy it. You hear your friends say: "Just use Vercel, it's made for Next.js" "Try Cloudflare, it's way cheaper" "What's OpenNextJS? Is that a fork of Next.js?" If you're confused, you're not alone. Let me untangle this. Here's the truth: Next.js is a framework. Vercel and Cloudflare are plat...

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9m read
DEV Community • 2026-04-22 15:42

Day 10/100: Looper, Handler, MessageQueue — The Machinery Android Runs On

This is Day 10 of my 100 Days to Senior Android Engineer series. Week 2 theme: Process & Memory. Each post: what I thought I knew → what I actually learned → interview implications. 🔍 The concept Every Android developer knows: don't do heavy work on the main thread. But fewer can answer the follow-up: what is the main thread actually doing when it's not running your code? The ...

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10m read
Android File Transfer on Mac is Broken, So I Built SwiftMTP
DEV Community • 2026-04-22 15:41

Android File Transfer on Mac is Broken, So I Built SwiftMTP

If you are an Android user with a Mac, you might be clear how problematic it is when it comes to transferring files between two kinds of devices. Existing file transfer solutions through cable are currently inadequate. Google’s Android File Transfer suffers from stability issues, a 4GB transfer problem, and restricted file management capabilities (e.g., no renaming). What’s even worse is that it h...

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3m read
DEV Community • 2026-04-22 15:41

Taming the Prompt Monster: Effortless AI Image Generation with Smart Generation

If you've spent any time playing with generative AI for visuals, you know the struggle. You have a vision—maybe it's a product shot for a new eco-friendly water bottle, or perhaps you just need a moody background for a blog post about astrophysics. You open the image generator, and then the dreaded prompt box stares back at you, demanding arcane knowledge of art styles, aspect ratios, and descript...

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3m read
DEV Community • 2026-04-22 15:40

Adding PDF support to a Rust image converter — what I learned about libvips and PDF rendering

Been building Convertify — a free image converter in Rust + Axum + libvips. This week I added PDF to JPG/PNG support. Thought I'd write up what actually happened because it was more interesting than expected. The naive approach My existing image pipeline is straightforward — VipsImage::new_from_file(path), some processing, image_write_to_file(out_path). Images just work. I assumed PDFs...

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3m read
DEV Community • 2026-04-22 15:38

Guaranteed Message Ordering in Apache Kafka: What It Really Takes in Production (Spring Boot)

A senior engineer's deep dive into the guarantees, tradeoffs, and production gotchas of implementing strictly ordered Kafka consumers — and the honest conversation about when not to. The Why In my previous post, I built a zero-loss Kafka consumer using @RetryableTopic. But I deliberately called out one tradeoff that deserves its own conversation: "Moving a message to a retry top...

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17m read
DEV Community • 2026-04-22 15:37

If only life had an XP bar

One of the reasons we struggle keeping up with good habits is that real life is terrible at giving us quick rewards. If most worthwhile things in life are straightforward in theory, why is it so much easier to grind repetitive tasks in a video game than to do the same kind of repetition in real life? This conversation lands on a very practical answer: games are built around immediate feedback, wh...

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5m read
DEV Community • 2026-04-22 15:35

How to Give Your AI Agent an Office Suite with Mila + OpenClaw

Most AI agents can browse the web, write code, and send messages. But ask one to create a spreadsheet, write a document, or build a slide deck? That's where things get awkward. Mila fixes this. It's an office suite built from the ground up for programmatic access — with a REST API and an MCP server that gives AI agents 23 tools for working with documents, spreadsheets, and presentations. ...

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2m read
DEV Community • 2026-04-22 15:35

Dynamic Configuration with Azure App Configuration

Azure App Configuration provides a service to centrally manage application settings and feature flags. Modern programs, especially programs running in a cloud, generally have many components that are distributed in nature. In this post, we are going to take a look at not just dynamic configuration with Azure App Configuration, but we are going to look at using labels to further increase the le...

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2m read
Telerik Blogs • 2026-04-22 15:33

Introducing the Progress Agentic RAG .NET SDK

The .NET SDK for Progress Agentic RAG provides Retrieval-Augmented Generation (RAG) capabilities to .NET development with knowledge base management, AI-powered search and resource operations.

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1m read
DEV Community • 2026-04-22 15:32

💸 Why most devs never make money (brutal truth)

I’m going to say something I had to learn the hard way. Most devs don’t fail because they can’t code. They fail because they build things nobody asked for. I did this for years. New idea → start coding → spend weeks polishing → launch… Silence. No users. No revenue. Just another “learning experience.” At some point, that excuse stops working. The uncomfortable truth: We like building more ...

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1m read
DEV Community • 2026-04-22 15:32

Network Forensics for Non-Security Teams: Why Every IT Department Needs Packet-Level Visibility

At 2:13 a.m., the helpdesk phone rang for the third time in an hour. A finance application kept freezing for users in one branch office. The server team said the application was healthy. The virtualization team said host resources were normal. The firewall dashboard showed no obvious drops. SNMP graphs looked clean. CPU, memory, and interface utilization were all comfortably in the green. And ye...

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11m read
Harvester Deploys Linux GoGra Backdoor in South Asia Using Microsoft Graph API
The Hacker News • 2026-04-22 15:28

Harvester Deploys Linux GoGra Backdoor in South Asia Using Microsoft Graph API

The threat actor known as Harvester has been attributed to a new Linux version of its GoGra backdoor deployed as part of attacks likely targeting entities in South Asia. "The malware uses the legitimate Microsoft Graph API and Outlook mailboxes as a covert command-and-control (C2) channel, allowing it to bypass traditional perimeter network defenses," the Symantec and Carbon Black Threat Hunter

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1m read
DEV Community • 2026-04-22 15:23

UnityのC#からGitを叩く

Executing Git Commands from Unity's C I recently had the opportunity to execute Git commands from a C# editor extension script in Unity. Here, I'll summarize the process so I won't forget. Sample Command As an example, let's execute the following command from Unity's C#: git config core.autocrlf This command checks if the feature to automatically convert line ending...

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2m read
DEV Community • 2026-04-22 15:22

Amikor nem működik a korreláció I.

Vannak esetek, amikor két ismérv között nem számolhatunk Pearson-féle lineáris korrelációt. A kapcsolat szorossága kiszámításának módját az határozza meg, hogy az ismérveink minőségi, vagy mennyiségi ismérvek. Ha az ismérveink kvalitatívak, akkor asszociációs kapcsolatról beszélünk, és Cramer-féle asszociációs együtthatót számolunk. (Tehát, ha két minőségi ismérv szerinti kapcsolat szorosságát mér...

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3m read
Codrops • 2026-04-22 15:18

A Playful Clip Menu with GSAP’s easeReverse

A playful GSAP menu demo exploring how easeReverse makes reversed UI animations feel smoother, snappier, and more intentional.

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1m read
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