Product Hunt — The best new products, every day • 2026-04-22 20:44

Public Pages for Confluence

Turn Confluence pages into public SEO-friendly websites Discussion | Link

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DEV Community • 2026-04-22 20:44

Open Problems META-DB (Rei-AIOS): D-FUMT8 META-Classification of 713 Open Problems (Rei-AIOS Paper 130)

This article is a re-publication of Rei-AIOS Paper 130 for the dev.to community. The canonical version with full reference list is in the permanent archives below: Zenodo (DOI, canonical): https://doi.org/10.5281/zenodo.19700758 Internet Archive: https://archive.org/details/rei-aios-paper-130-1776890620432 Harvard Dataverse: https://doi.org/10.7910/DVN/KC56RY GitHub source (private): htt...

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DEV Community • 2026-04-22 20:44

Lets just... yeet the entire rulebook on hooks

Just finished writing some docs on a feature I was writing while waiting for the compilation process to finish. I'm not even going to change a single word. It goes over each rule, explains the differences and how the feature solves it. Not to mention I'd rather just go back to work then re-writing the entire doc again just for a post. HOOKS The system is quite composable and even allow...

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Hacker News • 2026-04-22 20:44

Show HN: OpenDeck – DIY MIDI Platform Based on Zephyr RTOS

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DEV Community • 2026-04-22 20:44

Chapter 3: The Tokenizer - Text to Numbers and Back

What You'll Build A Tokenizer class that converts between characters and integer IDs, plus a special BOS (Beginning of Sequence) token. Depends On Nothing. This chapter is independent of Chapters 1-2. It sits here because the next chapter (Bigram) needs it. Why Characters? Production LLMs use subword tokenizers (like BPE) that merge frequent character sequences i...

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Cross Cloud Multi Agent Comic Builder with ADK, Amazon Lambda, and Gemini CLI
DEV Community • 2026-04-22 20:42

Cross Cloud Multi Agent Comic Builder with ADK, Amazon Lambda, and Gemini CLI

Leveraging the Google Agent Development Kit (ADK) and the underlying Gemini LLM to build low code apps with the Python programming language deployed to the Lambda service on AWS. Aren’t There a Billion Python Agent Demos? Yes there are. Python has traditionally been the main coding language for ML and AI tools. The goal of this article is to provide a minimal viable basic working AD...

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Newest questions tagged css - Stack Overflow • 2026-04-22 20:41

CSS clip-path hexagon border not rendering properly (shows only with background, not as outline)

I am trying to create a multi-layer hexagon outline design (like concentric hexagons) using pure CSS, without using images. I used clip-path: polygon() to create the hexagon shape and applied border to simulate the outline. However, the border is either: Not visible on light backgrounds, or Rendering as broken/patchy shapes Only clearly visible when I add a solid background color 🔹 Expected R...

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DEV Community • 2026-04-22 20:40

Privacy-first mind mapping app. Part 1: Constraints Before Tech

I started with a romantic idea: build the entire product in Rust, with Rust‑first tools, end to end. I still like that idea philosophically. In practice, it was too much for one person and too far removed from the real goal. The real goal was simple and already described in Part 0: a fast, practical, keyboard‑friendly app that is online and privacy‑respecting. Not a technology demo. Not a purity ...

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I Ditched iCloud Photo Sharing and Built My Own (with an AI partner)
DEV Community • 2026-04-22 20:40

I Ditched iCloud Photo Sharing and Built My Own (with an AI partner)

iCloud shared albums take 26+ seconds to load on my 300 Mbps fiber connection. I timed it. Apple, a trillion-dollar company, built something that is embarrassing to show people. Other photo sharing sites have their own irritations like cumbersome UIs, advertising, hawking of photo paraphernalia and social media distractions. I just want to share photos with friends and family. Focus on the photos...

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Créer un système d’authentification avec PHP et MySQL (étape par étape)
DEV Community • 2026-04-22 20:40

Créer un système d’authentification avec PHP et MySQL (étape par étape)

Introduction: Dans ce tutoriel, je vais expliquer comment j’ai créé un système simple d’authentification en utilisant PHP, MySQL, HTML et CSS. Ce projet permet aux utilisateurs de s’inscrire, se connecter et accéder à un tableau de bord protégé. Technologies utilisées: .PHP .MySQL .HTML .CSS .phpMyAdmin **Étape 1 : Création de la base de données:...

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DEV Community • 2026-04-22 20:39

Announcing ElementsKit: a toolkit of reactive primitives for building the web UI

I'm happy to announce ElementsKit: a toolkit of reactive primitives for building the web UI. Signals, JSX, custom elements, and utilities. Use them standalone, compose them, or use them inside React, Svelte ... › Compose, don't configure. signal, computed, on, fromEvent, async. Combine primitives instead of maintaining an overloaded interface. Overloaded interfaces accumulate breaking changes and...

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I Got Tired of Re-explaining My Codebase to Claude Code Every Session. So I Built llmwiki.
DEV Community • 2026-04-22 20:31

I Got Tired of Re-explaining My Codebase to Claude Code Every Session. So I Built llmwiki.

The context-switch tax If you juggle multiple projects across different clients, stacks, and architectures, you know the tax. You switch from the billing API to the notification service and spend 20 minutes re-reading code just to remember how it's wired together. You onboard onto a new client's codebase and the architecture lives in someone's head, or in a Confluence page last touched...

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Hacker News • 2026-04-22 20:31

Show HN: I built a map of the GeminiNet

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DEV Community • 2026-04-22 20:29

Feature Flags in Node.js: Express and Fastify Guide

This was originally published on rollgate.io/blog/feature-flags-nodejs. Why Feature Flags in Node.js? Node.js powers a huge slice of production backends — REST APIs, GraphQL gateways, background workers, BFF layers, real-time services. All of them share the same release problem: you want to ship code continuously, but you do not want every deploy to be a product change. Feature flag...

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Hacker News: Front Page • 2026-04-22 20:27

Apple fixes bug that cops used to extract deleted chat messages from iPhones

Article URL: https://techcrunch.com/2026/04/22/apple-fixes-bug-that-cops-used-to-extract-deleted-chat-messages-from-iphones/ Comments URL: https://news.ycombinator.com/item?id=47868867 Points: 17 # Comments: 2

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Hacker News: Front Page • 2026-04-22 20:24

The Illuminated Man: an unconventional portrait of JG Ballard

Article URL: https://www.theguardian.com/books/2026/apr/20/the-illuminated-man-by-christopher-priest-and-nina-allan-review-an-unconventional-portrait-of-jg-ballard Comments URL: https://news.ycombinator.com/item?id=47868832 Points: 4 # Comments: 0

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DEV Community • 2026-04-22 20:24

Anthropic Broke My OpenClaw Stack. GPT 5.4 Put It Back Together

If you quit OpenClaw after Anthropic pulled third-party harness support, I don't blame you. That week was a mess. One day Claude was the center of the stack. Then Anthropic cut subscription coverage for third-party harnesses, Boris Cherny said some of the Claude CLI blocking looked like an overactive abuse classifier, Peter Steinberger tried to route around it, and OpenClaw still kept hitting the...

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Fonctionnement d’une blockchain - Étape 4/8 : Construction d’un bloc
DEV Community • 2026-04-22 20:23

Fonctionnement d’une blockchain - Étape 4/8 : Construction d’un bloc

Le producteur de bloc regroupe des transactions et construit un bloc qui contient alors: une entête de bloc (timestamp, référence au bloc précédent, racine de Merkle, etc.) liste des transactions contenu dans ce bloc Qu’est-ce que la racine de Merkle (Merkle Root)? La racine de Merkle c'est une empreinte unique générée à partir de toutes les transactions du bloc. Elle permet de vé...

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Hacker News: Front Page • 2026-04-22 20:15

Adobe Is Cooked

Article URL: https://malejandro.com/reflections/en/adobe-is-cooked/ Comments URL: https://news.ycombinator.com/item?id=47868720 Points: 5 # Comments: 0

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DEV Community • 2026-04-22 20:12

We Talked About This for Two Years. Now You Can Talk to It

The Kid in the Candy Store Problem It was a notification. Just one. Someone, somewhere, used Stacky. Not me testing it. Not my co-founder poking at the endpoints. A real person, doing a real thing, with something I built. I stared at the screen longer than I should have. For context Stacky is our MCP server for Stacklist. MCP stands for Model Context Protocol. Anthropic'...

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