Morning.dev

DEV Community • 2026-08-13 16:32

Building a Zero-Allocation, Nanosecond Distributed Rate Limiter in Go

Rate limiting seems simple on paper until your microservice hits 100k requests/second, Redis experiences a transient network hiccup, or an attacker spoofs their X-Forwarded-For header to bypass your limits entirely. While building high-throughput services in Go, I noticed that many existing rate-limiting libraries suffer from three major issues: Global Lock Contention: Single sync.Mutex archite...

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Turns Out the Secret to Marketing ROI Is... Fun

HackerNoon • 2026-08-13 16:30

Turns Out the Secret to Marketing ROI Is... Fun

A 1996 cereal box video game still outperforms most modern marketing. Here's the data behind why gamification quietly delivers outsized ROI.

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1m read

DEV Community • 2026-08-13 16:30

DNS Propagation Explained: Why DNS Changes Take Time and What Actually Happens Behind the Scenes

In the previous article, we explored: How DNS works How DNS records power websites, email systems, and cloud infrastructure At this point, a natural question emerges: If DNS changes are just records stored on a server, why don’t updates happen instantly? Imagine moving a website to a new server. You update the DNS record. You refresh your browser. Nothing changes. An hour later, some u...

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Hacker News • 2026-08-13 16:28

Show HN: Artificial Analysis tool to create custom benchmarks for any use case

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Hacker News • 2026-08-13 16:26

Show HN: A UI to see all the assumptions your coding agents are making

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Hacker News: Front Page • 2026-08-13 16:24

Mozilla says stricter antitrust measures against Google 'threaten Firefox'

Article URL: https://www.techcentral.ie/mozilla-says-stricter-antitrust-measures-against-google-threaten-firefox/ Comments URL: https://news.ycombinator.com/item?id=49288324 Points: 4 # Comments: 0

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Lobsters • 2026-08-13 16:24

EuroZig

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Hacker News: Front Page • 2026-08-13 16:22

GoAccess – open-source real-time log analyzer and interactive viewer

Article URL: https://goaccess.io/ Comments URL: https://news.ycombinator.com/item?id=49288296 Points: 3 # Comments: 0

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Hacker News: Front Page • 2026-08-13 16:22

We Have AI at Home Chapter 1: A Box of Scraps

Article URL: https://jdagostino.github.io/ai-pt1-box-o-scraps/index.html Comments URL: https://news.ycombinator.com/item?id=49288293 Points: 3 # Comments: 0

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DEV Community • 2026-08-13 16:18

From Intel Mac to Apple Silicon: How I Built Universal Third-Party Libraries for a Qt macOS Application

When I started developing my macOS application, my development machine was an Intel-based Mac. At that time, most of my third-party libraries were built specifically for the x86_64 architecture. Everything worked perfectly. Then came the transition to Apple Silicon (ARM64). My requirement was simple: Build one macOS application that can run natively on both Intel and Apple Silicon Macs. In ...

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7m read

DEV Community • 2026-08-13 16:15

Hybrid Retrieval v2: Qwen Embeddings, BM25, and RRF with a FastEmbed Reranker

A query for ndots:5 against my wiki index used to return the article that exists specifically to explain ndots:5 at position seven. Ahead of it sat three general DNS articles, two Kubernetes networking posts, and something about service discovery. My embedding model understood the topic perfectly and had no idea that the literal string mattered. That is the dense retrieval failure mode in one sen...

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12m read

DEV Community • 2026-08-13 16:15

Agentic Workflows: A Practical Enterprise Framework for AI-Enabled Automation

Agentic workflows are emerging as an important enterprise AI automation concept: systems can be designed to pursue defined tasks through multiple steps, rather than only returning a single answer to a prompt. The supplied source material points to organizations putting AI to work across industries and functions, but it does not identify specific companies, deployments, performance results or produ...

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DEV Community • 2026-08-13 16:15

I built a Supabase RLS audit that's just SQL wrapped in a prompt

Every AI coding agent will happily "audit your RLS" if you ask it to. Mine did. It found three issues, declared the rest fine, and on the second run found two different issues and declared the rest fine. That's the problem. An agent asked to go look enumerates what it happens to notice, then phrases everything it never checked as an all-clear. The finding isn't deterministic, so the all-clear is ...

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𝚓𝚊𝚟𝚊𝚜𝚌𝚛𝚒𝚙𝚝 • 2026-08-13 16:14

The Simple AI Dictionary: putting an end to buzzwords, all without AI

This is a next app I made that I'd like to define the magical buzzwords that exist in the GenAI space. It's meant to be run by humans to simply and concretely define terms like "agents", "harness" and "hallucinations" submitted by /u/Ahmed33033 [link] [comments]

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DEV Community • 2026-08-13 16:13

Building a multiplayer game with no game server: Postgres realtime as the state machine

Aux Battles is a free multiplayer music game: rooms, players, prompts, voting, all synced live across every connected browser. There's no game server behind it. Every client subscribes to Postgres changes through Supabase Realtime and reacts to a single phase column on the room row. Actions are direct table writes. Host-only actions (starting a round, advancing a song) are enforced in the UI, not...

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DEV Community • 2026-08-13 16:12

MemoryDesk

MemoryDesk: Building a Customer Support Agent That Remembers Traditional support agents often treat every conversation as a blank slate. That creates a frustrating experience: customers repeatedly explain their environment, previous troubleshooting attempts, and communication preferences. MemoryDesk explores a different architecture: a customer-support agent with a dedicated persistent-memory laye...

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DEV Community • 2026-08-13 16:10

What a self-hosted, EU alternative to a SaaS support AI actually takes

If you run support for an e-commerce shop, you have two ways to put an AI in front of your queue. You can switch on a hosted feature inside the tool you already pay for, the way Intercom's Fin sits on top of Intercom. Or you can run your own agent on an open model, on infrastructure you control. Both answer the same tickets. They are not the same product, and the difference is almost entirely arch...

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4m read

DEV Community • 2026-08-13 16:07

Adding Categories to a Live Directory Without Breaking Every URL You Already Rank For

Adding a category to a directory nobody visits is a schema change. Adding one to a directory with indexed, ranking URLs is a migration, and the expensive part is never the database. The trap is that the obvious route design forces a rename of everything already published. The two route shapes Most directories start with a route per category, because there were only two: /schools/[s...

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Hacker News: Front Page • 2026-08-13 16:05

Samsung is using Claude to verify chip designs. It's not going smoothly

Article URL: https://www.neowin.net/news/samsung-is-using-claude-to-verify-chip-designs-and-its-not-going-smoothly/ Comments URL: https://news.ycombinator.com/item?id=49288051 Points: 15 # Comments: 1

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HackerNoon • 2026-08-13 16:05

The HackerNoon Newsletter: The Jeff Dean Canon (8/13/2026)

8/13/2026: Top 5 stories on the HackerNoon homepage!

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