DEV Community • 2026-04-20 08:30

🧠 Stop Watching Tutorials - Build These 10 JavaScript Projects Instead (2026)

There's a pattern I keep seeing with JavaScript learners. They watch tutorials for weeks… sometimes months. They understand everything while watching. But the moment they open a blank screen? 👉 Nothing. No idea where to start. No idea what to build. If that sounds familiar, here's the truth: You don't become good at JavaScript by consuming content. You become good by creating thi...

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Hacker News: Front Page • 2026-04-20 08:26

GitHub's Fake Star Economy

Article URL: https://awesomeagents.ai/news/github-fake-stars-investigation/ Comments URL: https://news.ycombinator.com/item?id=47831621 Points: 11 # Comments: 1

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From Metrics to Meaning: How PaaS Helps Developers Understand Production
DEV Community • 2026-04-20 08:25

From Metrics to Meaning: How PaaS Helps Developers Understand Production

Modern production systems generate more data than most developers can realistically process. Every request emits logs. Every service exports metrics. Every dependency introduces another layer of signals. In theory, this should make systems easier to understand. In practice, it does the opposite. Dashboards become dense, alerts become noisy, and when something breaks, the same questions still co...

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DEV Community • 2026-04-20 08:25

Best BPMN Tools in 2026: 10 Modeling Platforms Compared

Not every tool that has BPMN shapes produces valid BPMN. Some generate standards-compliant XML that process engines can execute. Others draw pretty pictures that look like BPMN but export as proprietary formats. We evaluated 10 tools on BPMN 2.0 compliance, collaboration, ease of use, ecosystem, and pricing. Quick Comparison Tool Valid BPMN 2.0? Collaboration Free Tier Best For ...

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DEV Community • 2026-04-20 08:24

How I indexed 18,141 polynomial fan curves in Postgres and matched a duty point in 4 ms

If you work in building HVAC, you know the ritual. You need a fan that will push 5000 m³/h at 400 Pa. Your manufacturer rep emails you a 400 MB installer — usually Windows-only, often Delphi, almost always from 2007 — and you click through dialog boxes until the program picks a fan for you. The selection engine is a black box. You cannot embed it. You cannot query it. You cannot even link to a res...

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DEV Community • 2026-04-20 08:23

How to Publish Markdown to WordPress (Without Copy-Paste)

You write in markdown. Your blog runs on WordPress. And somewhere in between, things go wrong. Gutenberg mangles your formatting. Images need to be uploaded separately. Code blocks lose their syntax highlighting. You end up spending more time fixing the post than writing it. It doesn't have to be this way. There are tools that take your markdown and publish it to WordPress directly — handling ima...

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5 SQL FUNCTIONS EVERY BEGINNER SHOULD KNOW
DEV Community • 2026-04-20 08:23

5 SQL FUNCTIONS EVERY BEGINNER SHOULD KNOW

"Data is the new oil — and SQL is the refinery." — Anonymous Data Engineer Image: A developer working with databases — the everyday environment of an SQL practitioner. Table of Contents Introduction What Is SQL? Function 1 — COUNT() Function 2 — SUM() Function 3 — AVG() Function 4 — UPPER() and LOWER() Function 5 — CONCAT() Combining Functions Together Best Practices Conclusio...

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DEV Community • 2026-04-20 08:21

Crise des outils API : pourquoi vos outils préférés se dégradent

En bref Postman a supprimé le mode hors ligne. Insomnia a bloqué les collections derrière une connexion obligatoire. Thunder Client a mis la synchronisation Git derrière un paywall. Le schéma est le même à chaque fois : un outil de développement gagne en adoption, obtient un financement en capital-risque, puis dégrade son offre gratuite pour atteindre ses objectifs de croissance. Si vou...

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Lobsters • 2026-04-20 08:17

Obelisk 0.37: JavaScript, Deployments, Cron

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

Creget

Invest smarter with real insights Discussion | Link

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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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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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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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