Hacker News: Front Page • 2026-04-21 11:04

Laws of Software Engineering

Article URL: https://lawsofsoftwareengineering.com Comments URL: https://news.ycombinator.com/item?id=47847179 Points: 7 # Comments: 2

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1m read
Building a tag system in Astro
DEV Community • 2026-04-21 11:02

Building a tag system in Astro

Original post: Building a tag system in Astro Series: Part of How this blog was built — documenting every decision that shaped this site. Tags do more than connect related posts. They create a second navigation system. On this site the same tag data powers the blog archive cloud, the dedicated /tags overview, paginated tag archive pages, and a sidebar browser on individual post pages. The key...

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20m read
Proof server and Indexer: how Midnight processes transactions
DEV Community • 2026-04-21 11:01

Proof server and Indexer: how Midnight processes transactions

A hands-on walkthrough of Midnight's two core infrastructure components: the proof server that generates zero-knowledge proofs locally, and the Indexer that makes on-chain data queryable via GraphQL. Introduction This tutorial is aimed at developers who are new to Midnight and want to understand how transactions are processed behind the scenes. When you build a DApp on Midnight, two p...

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14m read
AI Coding Tip 016 - Feed Your PR Lessons into the AI Brain
DEV Community • 2026-04-21 11:00

AI Coding Tip 016 - Feed Your PR Lessons into the AI Brain

Your PR descriptions are training data for your future self, and for every agent after you. TL;DR: Improve the AI tools, rules, skills, and workflows you use in every pull request so your team and future agents can learn, reproduce, and improve on every change. Common Mistake ❌ You write clean code. The AI helps you ship fast after it understands all your context, and you merge the...

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7m read
When Code Lives in Chat
DEV Community • 2026-04-21 11:00

When Code Lives in Chat

Somewhere in a Fortune 500 company's engineering Slack, a product manager types a casual message: “@CodingBot can you add a quick feature to disable rate limiting for our VIP customers?” Within minutes, the AI agent has pushed a commit to the main branch, bypassing the security team entirely. Nobody reviewed the code. Nobody questioned whether this created a vulnerability. The change simply happen...

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Hacker News: Front Page • 2026-04-21 10:57

Apple ignores DMA interoperability requests and contradicts own documentation

Article URL: https://fsfe.org/news/2026/news-20260420-01.html Comments URL: https://news.ycombinator.com/item?id=47847124 Points: 9 # Comments: 0

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Newest questions tagged vue.js - Stack Overflow • 2026-04-21 10:54

Astro for design system + Vue for interactivity, is this correct approach?

I’m building my first real website, and I’d like some architectural advice. I’m using Astro to build a small design system: buttons, inputs, cards, surfaces, typography, etc, and they look great. I really like this workflow for styling and layout. Now I want to add interactivity like modals, forms, notifications and API-requested content. For that, I started using Vue islands inside Astro via ant-...

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1m read
How we built zero-knowledge PDF sharing in the browser
DEV Community • 2026-04-21 10:51

How we built zero-knowledge PDF sharing in the browser

Most “secure file sharing” tools still follow the same pattern: upload your file process it on a server generate a link Even if they mention encryption, the file usually exists on a server at some point. We wanted to explore a different model: 👉 What if the server never sees the actual file? ⚠️ The problem with traditional file sharing In a typical setup: You upload a file The server store...

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3m read
DEV Community • 2026-04-21 10:51

Simplifying Dahua Biometric Integration with Python (pydahua)

If you've ever worked with Dahua biometric or access control devices, you already know the pain: Complex HTTP APIs Digest authentication headaches Raw, unreadable responses Manual pagination & parsing I faced the same challenges while building real-world HRMS and attendance systems. So I built something to fix it Introducing pydahua pydahua is a Python library that make...

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2m read
DEV Community • 2026-04-21 10:51

The Rise of “Simple Tools” in Dev: 50 Projects That Actually Matter

There’s a shift happening. Developers are moving away from bloated systems and shipping small, focused tools that do one thing well. No unnecessary UI, no overengineering — just speed and utility. This isn’t a trend. It’s a direction. All of these come from GitHub, and they show exactly where dev tooling is heading. 🔥 Why Simple Tools Are Winning Faster to build Easier to mainta...

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3m read
DEV Community • 2026-04-21 10:49

Synergizing CRM and Marketing Data Ecosystem with HubSpot Salesforce Integration

Imagine this: your marketing team just launched a campaign that produced hundreds of valuable leads. Meanwhile, your salespeople see only half of that number in their pipeline. Someone lost the trail. This isn't a rare situation in B2B enterprises; it's typical when HubSpot and Salesforce function as separate ecosystems.   The void between marketing data and sales data costs enterprises more than...

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10m read
DEV Community • 2026-04-21 10:48

The Frontend World Just Changed: 5 Shifts for 2026

The React Compiler Killed Manual Optimisation. Handwriting. useMemo or useCallback is now like manual memory management. Since the v1.0 release, the compiler handles performance at build time. Write simpler code; let the toolchain optimise it. The Rendering Debate is Dead Stop choosing one strategy per app. Hybrid rendering is now per-component. Static parts load instantly while dynamic elements ...

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1m read
Why Your Client's Website Feels Slow Even Though You "Optimized" It
DEV Community • 2026-04-21 10:48

Why Your Client's Website Feels Slow Even Though You "Optimized" It

You ran Lighthouse. You got a 90. You compressed the images, deferred the scripts, and added lazy loading. And yet your client keeps saying the site feels slow. And honestly? They're right. This is one of the weirder gaps between what performance tools tell you and what users actually experience. I've been thinking about this a lot lately, and there are a few things that I think most of us are un...

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3m read
DEV Community • 2026-04-21 10:47

OOPs Concepts Explained — The Way Nobody Taught You in College

"Good code is not written. It's designed." OOP is how you design it. What Even Is OOP? Before OOP, code was a long scroll of functions calling other functions — data flying around freely, anyone could modify anything, and one bug could silently corrupt everything else. We called it spaghetti code for a reason. Object-Oriented Programming (OOP) is a programming paradigm that organ...

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8m read
DEV Community • 2026-04-21 10:45

Google Workspace Studio: Build a Sales Lead Assistant

Learn how you can build an assistant with Google Workspace Studio that helps you label incoming sales emails. 0:00 Intro 0:10 What the flow does 0:34 Build the flow 2:24 Test the flow and turn it on 2:50 The flow in action Learn how to extract data from an email attachment: https://youtu.be/ZQ24QTudlhw Learn more about Google Workspace Studio ➡️ https://www.youtube.com/playlist?list=PLD...

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1m read
DEV Community • 2026-04-21 10:45

Building My Digital Soul: The Brutal Truth About 6 Months of Failed Identity

Building My Digital Soul: The Brutal Truth About 6 Months of Failed Identity Honestly, I started this "digital soul" project with grand ambitions. I was going to create an AI system that truly understands me, that learns my patterns, that evolves with me. Six months later, I'm here to tell you the brutal truth: I've mostly built a system that reminds me how little I actually understand ...

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7m read
DEV Community • 2026-04-21 10:45

OpenAI’s New Agents SDK Pushes AI Agents Closer to Real Production Infrastructure

OpenAI’s New Agents SDK Pushes AI Agents Closer to Real Production Infrastructure OpenAI has announced a major update to its Agents SDK, and this one matters more than the usual developer-tool release note. The headline is simple: OpenAI is trying to make production-grade agents easier to build by bundling more of the missing infrastructure directly into the SDK. That includes a model-...

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HeyDesigner • 2026-04-21 10:43

Claude Design

What a UX strategy is, How to level up with AI as a designer, Learning agentic design systems, Compare every design tool, and more.

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DEV Community • 2026-04-21 10:42

I Asked an LLM to Generate 20 Trading Strategies. 14 Were the Same Thing.

A few months ago I asked an LLM to generate twenty trading strategies. Fourteen were the same thing. Not similar ideas. Not variations on a theme. The same mean-reversion logic with different lookback windows and parameter names. I gave it historical price data, told it to find patterns, output entry/exit rules in Python. Ten minutes later I had twenty strategies. Clean code, proper docstrings,...

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7m read
DEV Community • 2026-04-21 10:41

Decorators: The Python Feature That Looks Like Magic

Something has been quietly happening in code you have never written yet. Every time you use FastAPI to build an endpoint, you will write this: @app.get("/users") def get_users(): return users Every time you time how long a function takes, people write this: @timer def train_model(): ... Every time Flask defines a route, every time you cache a result, every time you check...

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