Product Hunt — The best new products, every day • 2026-04-20 08:17

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Observe Without Interfering: How Non-Intrusive SRT Monitoring Works
DEV Community • 2026-04-20 08:17

Observe Without Interfering: How Non-Intrusive SRT Monitoring Works

In the world of professional streaming and telecom, quality monitoring is always a trade-off. We want total visibility into our streams, but we don't want the monitoring process itself to interfere with content delivery. Traditional monitoring often relies on Relays or Proxies. While convenient, these methods have a significant downside: they create extra links in the chain, add latency, and doub...

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Building an MCP-Native Prompt Tool: Architecture Decisions
DEV Community • 2026-04-20 08:15

Building an MCP-Native Prompt Tool: Architecture Decisions

Building an MCP-Native Prompt Tool: Architecture Decisions The Problem When I set out to build the Prompt Optimizer, our primary goal was to address a critical pain point for developers and AI practitioners: the inconsistency and inefficiency of prompt engineering across various AI interfaces. The existing landscape often forced users to manually adapt prompts for different t...

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8m read
DEV Community • 2026-04-20 08:15

How to Test Your MCP Server with Alibaba Qwen Models (April 2026 Guide)

TL;DR — To test your MCP server with Alibaba Qwen: open MCP Agent Studio, paste your server URL, pick a Qwen model from the picker, and start chatting. Agent Studio handles the MCP-to-function-calling translation automatically — no API keys, no setup. Which Qwen to pick? Start with Qwen3 30B for a fast, accurate daily driver. Upgrade to Qwen3 235B-A22B for complex multi-step agentic workflows. T...

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Lobsters • 2026-04-20 08:08

What are you doing this week?

What are you doing this week? Feel free to share! Keep in mind it’s OK to do nothing at all, too.

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Hacker News: Front Page • 2026-04-20 08:01

Tracking when Trump chickens out

Article URL: https://www.thetacotracker.com/ Comments URL: https://news.ycombinator.com/item?id=47831499 Points: 20 # Comments: 0

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Generating Java from JSON Schema
DEV Community • 2026-04-20 08:01

Generating Java from JSON Schema

A new browser-based tool on sjf4j.org turns JSON Schema into Java scaffolding directly in the browser. Paste a schema, tune the generation strategy, and get Java output immediately. What makes it more interesting than a basic schema-to-POJO converter is that it exposes modeling decisions directly. Schema-to-code is not only about mapping types. It is also about deciding what should become part o...

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6m read
DEV Community • 2026-04-20 08:00

Subqueries vs. CTEs and When to Use Each

SQL offers multiple ways to break down complex problems into manageable steps. Two of the most powerful tools for this are subqueries and Common Table Expressions (CTEs). While they often overlap in functionality, understanding their differences is key to writing efficient, maintainable queries. A subquery is a query nested inside another query. It executes first, and its result feeds into the ou...

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Глубокий разбор архитектуры видеостриминга NYTimes: Создание высокопроизводительного движка экстракции на базе HLS и FFmpeg Введение
DEV Community • 2026-04-20 07:56

Глубокий разбор архитектуры видеостриминга NYTimes: Создание высокопроизводительного движка экстракции на базе HLS и FFmpeg Введение

Как разработчиков, нас часто захватывает то, как платформы глобального масштаба управляют распределением мультимедийных данных. The New York Times (NYTimes), ведущее мировое новостное издание, использует сложную архитектуру доставки, которая представляет собой не просто статический хостинг файлов, а высокотехнологичную систему на базе протокола HLS (HTTP Live Streaming). Для исследователей, архиви...

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DEV Community • 2026-04-20 07:55

I'm a CS Student in Placement Season. I Replaced My Inbox Anxiety With 80 Lines of Markdown.

This is a submission for the OpenClaw Challenge. What I Built I built inbox-triage — a personal email triage skill for OpenClaw. It's a single SKILL.md file, 80 lines of Markdown, no code, no API keys, no deployment. When I paste email subject lines or a screenshot of my Gmail into OpenClaw, it sorts them into four buckets: 🔴 URGENT — open now (OA deadlines, interview invites, placemen...

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Hacker News: Front Page • 2026-04-20 07:49

OpenClaw isn't fooling me. I remember MS-DOS

Article URL: https://www.flyingpenguin.com/build-an-openclaw-free-secure-always-on-local-ai-agent/ Comments URL: https://news.ycombinator.com/item?id=47831437 Points: 4 # Comments: 0

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DEV Community • 2026-04-20 07:49

The Context Window Pricing Collapse

Claude's Opus 4.6 and Sonnet 4.6 now ship with 1M token context windows at standard pricing. No premium tier. No waitlist. Just 1M tokens, available to everyone. This single change killed the moat that every RAG startup built in 2023-24. The competitive advantage those companies sold was never retrieval quality. It was working around small context windows. That constraint just disappeared. ...

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4m read
DEV Community • 2026-04-20 07:49

Capability-Priced Micro-Markets: The Missing Layer Between Agents and HTTP

At Ostronaut, we run a multi-agent pipeline where one agent structures content, another generates video assets, another validates quality. When we wanted to swap in a better external video provider, it took three days: read docs, negotiate pricing tier, configure auth, write retry logic, handle edge cases. Three days for one integration. We have twelve capability slots across the pipeline. HTTP ...

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5m read
DEV Community • 2026-04-20 07:48

Designing with Open Data: What Developers Should Consider Before Building

Working with Open Data can feel deceptively simple at first. You find a dataset, explore a few endpoints, maybe even build a quick prototype. Everything seems straightforward until you try to turn that prototype into something more stable. At that point, a different set of challenges starts to appear. This article is not about how to use Open Data Hub step by step. Instead, it focuses on someth...

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DEV Community • 2026-04-20 07:47

Sensitive Env Vars Should Be Default, Not Opt-In

I wrote a post earlier today about cleaning up after the Vercel breach. The cleanup itself is easy — ten minutes, a sequence of clicks, done. What's been bugging me all afternoon is a different question: Why is "sensitive" opt-in? The implicit default is wrong When you add an env var to Vercel, it's not marked sensitive by default. You have to remember to toggle it. This is the wron...

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Setting Up a GCP Landing Zone for Organizations with Strict Regulatory Requirements
DEV Community • 2026-04-20 07:46

Setting Up a GCP Landing Zone for Organizations with Strict Regulatory Requirements

Setting up a GCP Landing Zone for organizations with strict compliance requirements is not a trivial task. Cloud Foundation Fabric with a suitable template can significantly simplify the work — but what if no appropriate template exists, or your specific requirements go beyond what the templates cover? In this article, we explain how a tool we built, Merlin Studio, can help set up a landing zone u...

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DEV Community • 2026-04-20 07:43

How Synthetic Networks and Knowledge Graphs Surface Deep Intent for AI and Digital Transformation

The Problem: Surface-Level Signals Don’t Drive Enterprise Decisions Most organisations today rely on signals like: Search intent Website visits Content downloads Engagement metrics These signals are useful, but limited. They indicate what people are exploring, not what organisations are actually planning to implement. In AI and digital transformation, that distinction is critical. Enterprise d...

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Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems
The Hacker News • 2026-04-20 07:34

Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems

Cybersecurity researchers have flagged a new malware called ZionSiphon that appears to be specifically designed to target Israeli water treatment and desalination systems. The malware has been codenamed ZionSiphon by Darktrace, highlighting its ability to set up persistence, tamper with local configuration files, and scan for operational technology (OT)-relevant services on the local subnet.

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Next.js 16 Complete Beginner's Guide
DEV Community • 2026-04-20 07:32

Next.js 16 Complete Beginner's Guide

In this article, you will learn everything you need to know about Next.js 16. This is a completely beginner-friendly guide. So let's get started. Section 1: Next.js Fundamentals 1. What is Next.js & Why React Developers Should Care Next.js is a powerful React framework created by Vercel that enables developers to build full-stack web applications with ease. It...

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DEV Community • 2026-04-20 07:30

The Future: Engineers as AI System Architects

AI is not replacing engineers. It’s redefining what it means to be one. 🚨 The Narrative is Wrong The common belief: “AI will replace programmers” But what’s actually happening is more subtle: AI is replacing parts of programming not the role of engineers 🧠 What’s Actually Changing Traditionally, engineers: Wrote code Debugged logic Built features Now, ...

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