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03:10
2026-08-26
dev.to
developer-tools

Show Dev: I built a 3D circuit simulator in Three.js

A developer has built a browser-based 3D circuit simulator using Three.js, React 19, TypeScript, and Vite, with an Express backend on Render and Firebase for authentication and data storage. The tool …

02:30
2026-08-26
dev.to
large-language-models

Vector Database vs Knowledge Graph: Choosing Your LLM Store

An engineer detailed the trade-offs between vector databases and knowledge graphs for LLM applications, arguing that the choice should be based on query type rather than hype. The article scores both …

02:27
2026-08-26
dev.to
artificial-intelligence

Ten ai automations businesses pay for and How to Build Them

A developer detailed ten AI automations that businesses pay for, including lead-to-CRM enrichment, invoice generation, and churn-risk scoring, with typical per-execution prices and buyer personas. The…

02:25
2026-08-26
dev.to
artificial-intelligence

how to make faceless youtube shorts with ai

A developer has detailed a fully automated pipeline for creating faceless YouTube Shorts using AI, combining OpenAI's GPT-4o for script generation, ElevenLabs for voice synthesis, and stock footage fr…

02:20
2026-08-26
dev.to
artificial-intelligence

AI Is Everywhere Except the Balance Sheet

A developer argues that most companies are investing in AI without seeing financial returns, citing Stanford's AI Index showing only 39% of organizations report profit or cost savings from AI. The pos…

02:00
2026-08-26
dev.to
artificial-intelligence

An AI blog pipeline with a human editor: how this post was made

PicNet has built an AI-powered blog pipeline that drafts posts from a JSON backlog, with a human editor reviewing and merging each piece through git. The system caps output at what one editor can genu…

01:57
2026-08-26
dev.to
artificial-intelligence

The AI Exam Author Was Never Wrong. I Still Can't Use Its Exam.

An engineer who previously created a 29-question exam for an LLM and made five errors in the process tested whether an AI could write a better exam. The AI author (Sonnet 5) generated 50 questions wit…

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