DEV Community • 2026-08-13 16:44

7 AI Coding Mistakes Developers Keep Making

Why the smartest tool in your stack still needs a skeptical human behind it I review a lot of code that didn't start as code. It started as a prompt. And most of the time, you can tell. Not because the output is bad, AI assistants write clean, readable, often elegant code, but because of what's missing around it: the questioning, the edge case paranoia, the "wait, what happens if this i...

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Hacker News • 2026-08-13 16:39

Show HN: OpenAI network checker using 31 browser and IP signals

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The five things I never let my AI do
DEV Community • 2026-08-13 16:38

The five things I never let my AI do

I handed a flock of AI agents the keys to my company. The reason it still runs is a short list of things they are never allowed to do without me. Most of the writing about AI agents right now is about giving them more: more tools, more autonomy, more of your workflow. I run a handful of small apps as one person and a flock of AI agents, and the single most important part of that setup isn't any...

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Cascading Style Sheets • 2026-08-13 16:37

colorscheme CSS API for Catppuccin and Nord

I made a project where multible CSS files go into 1 file with a build script written in Lua and SH submitted by /u/Special-Lawyer-7069 [link] [comments]

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DEV Community • 2026-08-13 16:32

Tailscale's 6-Month Hunt for a 16-Year-Old SQLite Bug: A Debugging Playbook for Java Teams

"Our uptime was pretty shaky." That is how Alex Chan, an engineer at Tailscale, opens the postmortem of the strangest database incident his team has ever chased (the writeup, 1,141 points and 217 comments on Hacker News at the time of writing). Over six months, a single bug corrupted shard databases across their control plane 19 separate times. No pattern. No obvious cause. No way to reproduce it ...

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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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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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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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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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