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Hacker News: Front Page • 2026-04-11 18:03

Killing of Hind Rajab (2024)

Article URL: https://en.wikipedia.org/wiki/Killing_of_Hind_Rajab Comments URL: https://news.ycombinator.com/item?id=47732660 Points: 23 # Comments: 2

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1m read

DEV Community • 2026-04-11 18:00

ripgrep vs grep: Performance Benchmarks and Why AI Agents Use rg

I have spent the last few years watching the developer tools ecosystem converge on a single search tool. VS Code uses it. Cursor uses it. Claude Code uses it. Codex CLI uses it. Aider uses it. Nearly every AI coding agent that needs to search a codebase reaches for the same binary: ripgrep. That is not an accident. When milliseconds matter - and they absolutely matter when an LLM is waiting for c...

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17m read

DEV Community • 2026-04-11 17:56

Day 5 - Strings & Arrays Basics

Today I focused on strengthening core fundamentals using simple problems and for-loop logic. 🔁 Reverse a String let val = "thiru"; let rev = ""; for(let i = val.length - 1; i >= 0; i--){ rev += val[i]; } console.log(rev); 🔍 Palindrome Check function isPalindrome(val){ let rev = ""; for(let i = val.length - 1; i >= 0; i--){ rev += val[i]; } for(let i = 0; i...

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DEV Community • 2026-04-11 17:56

Building a Target Detection System in Java: A Guide to Array Logic

Introduction: When building simulations—like a flight combat simulator—detecting objects in a 3D or 2D space is a core requirement. While professional engines handle this with complex physics, you can build a functional "Lock-On" radar system using simple Java arrays and basic logic. In this post, I'll show you how to scan an array of distances to find specific targets within a combat range using...

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2m read

DEV Community • 2026-04-11 17:54

RFC 2324 Compliance Checker — Does Your Server Know It's a Teapot?

On April 1, 1998, Larry Masinter published RFC 2324. It defined the Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0) — a complete, properly formatted internet standard for controlling coffee pots over HTTP. It introduced a new HTTP method: BREW. It introduced request headers like Accept-Additions: milk; 1. It introduced Content-Type: message/coffeepot. Most importantly, it introduced HTTP 418...

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5m read

DEV Community • 2026-04-11 17:53

I Build AI Agents for a Living. Then I Decided to Build an Actual Brain.

How I went from automation pipelines to simulating 1,260 spiking neurons on a desktop — and why I think LLMs are only half the answer for AGI. At my agency ADYZEN, I build AI agents, automation pipelines, and dashboards every day. RAGFlow for knowledge retrieval, n8n for workflow orchestration, TypeScript and Python gluing it all together. It works. Clients are happy. But after two yea...

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9m read

DEV Community • 2026-04-11 17:52

Stop Manually Resuming Your Supabase Database

The annoying problem You're building a side project on Supabase free tier. Everything works great. Then you take a week off. You come back. Your database is paused. Sound familiar? Supabase pauses free tier databases after seven days of inactivity. It's a reasonable policy, but it's incredibly frustrating for developers working on hobby projects, MVPs, and prototypes. Every time this...

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1m read

DEV Community • 2026-04-11 17:52

My First Week with SQL: A Beginner's Guide to Building, Filling, and Querying a Real Database

From CREATE TABLE to CASE WHEN - everything I learned this week, explained simply Introduction - Why SQL? If you have ever wondered how apps like M-Pesa know your balance, how a hospital tracks your records, or how a school manages thousands of student results - the answer is almost always a database. And the language used to talk to those databases is SQL - Structured Query Languag...

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9m read

ETL vs ELT: Which One Should You Use and Why?

DEV Community • 2026-04-11 17:51

ETL vs ELT: Which One Should You Use and Why?

Introduction Imagine you are running a massive kitchen. Every day, trucks arrive carrying raw ingredients from different farms. Some boxes have dirty potatoes, some tomatoes are bruised, and the meat needs to be separated from the bone. Can you just throw all of this straight onto a customer’s plate? Definitely not. You have to wash, chop, season, and cook the ingredients first. In the...

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8m read

/r/ReactJS - The Front Page of React • 2026-04-11 17:48

Subscription-based website feature access.

How can website features be restricted based on a subscription check, especially within a React application that serves static files to the client? What are effective strategies for managing this, and are there any readily available libraries or services that facilitate this functionality? submitted by /u/Affectionate-Cat-569 [link] [comments]

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DEV Community • 2026-04-11 17:48

Incident Triage Without Context Switching: zoxide workflow notes

Incident Triage Without Context Switching: zoxide workflow notes During incident triage, the most expensive context switch is often the dumbest one: finding the right directory under pressure. You already know the command you need to run, but you lose 20–40 seconds jumping across repos, logs, and scripts. Repeat that ten times in one hour and you’ve burned real focus on path trivia. My...

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3m read

/r/ReactJS - The Front Page of React • 2026-04-11 17:47

I built an open-source toolkit for turning LLM JSON into real React components safely

I’ve been working on an open-source project called GenUIKit. The problem I kept running into was this: an LLM returns UI-shaped JSON, and then the app ends up full of brittle if/else checks, manual validation, and retry logic. So I built GenUIKit to make that flow more structured: the model returns { type, props } GenUIKit validates it against registered component schemas if it’s valid, React ren...

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1m read

DEV Community • 2026-04-11 17:47

I'm a Teapot™ SaaS — An Enterprise Dashboard That Returns 418 for Everything

In 1998, Larry Masinter wrote RFC 2324 — the Hyper Text Coffee Pot Control Protocol — as an April Fools joke. It defined a protocol for controlling coffee pots over HTTP. It introduced a new status code: 418 I'm a Teapot. Any server asked to brew coffee must refuse with this error. Because it's a teapot. It cannot brew coffee. This was meant as a joke. The internet kept it anyway. HTTP 418 exist...

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4m read

DEV Community • 2026-04-11 17:44

What is a metaframework

Metaframework (or meta framework, or meta-framework, — you do you), being a generic term by its nature, got real adoption and popularity as a pattern in full-stack web development. It's nobody's surprise as JS and webdev industry is famous for giving birth to a new framework on a daily basis. The ABCs In simple terms, without being your old long-gray-beard CompSci teacher, one can say ...

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11m read

Just published my first blog post. Three hackathons. Three hard lessons.

DEV Community • 2026-04-11 17:40

Just published my first blog post. Three hackathons. Three hard lessons.

What Hackathons Actually Taught Me Mark Eron Diaz Mark Eron Diaz ...

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1m read

DEV Community • 2026-04-11 17:38

What Hackathons Actually Taught Me

There’s a specific kind of panic that hits when your app is broken, your teammate is silent, and the deadline is near. Nobody warns you about that part. At my first hackathon, I joined with zero experience, zero certainty, and one thought: Bro, I’m just going to rawdog this rather than do nothing and regret not joining. That was it. No strategy. No confidence. Just the quiet fear of regret being...

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3m read

DEV Community • 2026-04-11 17:38

When the Cloud is Too Slow: Enter Fog Computing

You know that feeling when you're waiting for a response from your cloud service, and it feels like forever? Now imagine that same delay happening for a self-driving car making a split-second decision, or a smart factory robot on an assembly line. Yeah, not great. I've been digging into this problem lately, and I wanted to share what I've learned about a pretty cool approach that's gaining tracti...

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8m read

DEV Community • 2026-04-11 17:37

Building Openbench, a local-first LLM workspace

I've been using local LLMs for a while now, but the tools still feel rough. Ollama makes running models easy. However, when you want to do more than just a basic prompt, like comparing two models, refining a system prompt, or checking what was actually sent, you end up piecing things together. So, I started building Openbench. What it is This is a desktop app for experimenting with lo...

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1m read

DEV Community • 2026-04-11 17:37

Multilayer Perceptron (MLP): A Practical Way to Understand Neural Networks

Multilayer Perceptrons (MLPs) are the foundation of deep learning. This guide explains MLP intuition, real-world usage, and when you should (and shouldn’t) use it. Cross-posted from Zeromath. Original article: https://zeromathai.com/en/mlp-intuition-components-en/ MLP = A Function (Not Layers) Most people think neural networks are stacks of layers. They are wrong. An MLP is: y =...

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The Complete Claude Code Workflow: How I Ship 10x Faster

DEV Community • 2026-04-11 17:36

The Complete Claude Code Workflow: How I Ship 10x Faster

The Complete Claude Code Workflow: How I Ship 10x Faster I've been writing Laravel for over a decade. I've watched IDEs evolve from Sublime Text to PHPStorm to VS Code — but nothing changed the way I work quite like moving to Claude Code in late 2026. Not Copilot. Not Cursor. An agentic coding tool that lives in my terminal and understands my entire codebase. 76% of developers using ...

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23m read