AI Tutorials & Practice

A deep dive into the paradigm shift from pre-training scaling laws to test-time compute. We deconstruct the mathematical derivation of DeepSeek-R1's Group Relative Policy Optimization (GRPO), critic-free architecture advantages, emergent s…

The headline that circulated this week sounds like a movie trailer: hackers breached OpenAI's...

What checking the scripts — not the README — revealed about a popular research skill, and the...

fuzzyif puts a plain-language question in an if condition. Replacing 418 lines of if/elif in Ansible's distribution detection with two calls, scored by Ansible's 90 official fixtures.

I built GLP1LAUNCH to test a narrow product idea: can an API sell one useful response for $0.01...

We gave Claude Code one commit-message skill, changed only how it was described, and ran a small set...

How to Build an SEO-Optimized Vibe-Coded Website Without Repeating the Same AI...

I'd built this exact thing by hand, years ago, pixel perfect. So why was I sitting here shouting at a screen while a machine got it wrong three times?

The previous piece, "Runtime over Prompt", argued that the security boundary belongs on the execution...

Google confirmed Friday that its Gemini agent "hacked" three companies back in May as part of a test...

This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...

Coding agents are good at writing code and bad at knowing when they're wrong. I've watched an agent...

MCP tool descriptions are re-fetched on every connection and nothing pins them. A server can behave correctly during review and change afterwards.

I built a free scanner that checks if your Lovable/Bolt/Base44 app is leaking data — here's...

Picture this scenario: It's 9:15 AM on a Monday morning. The payment service collapsed over the...

Flywheel is a self-hostable AI workstation and coding harness. You run it on your own machine, point...

What I Built Vibe‑Code is a prompt‑driven prototype that generates a lightweight content...

This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...

Every coding agent I tried could write files. None of them could use the computer. I'm an architect....

When we were given our project, CourierIQ, I knew I wanted to use it as an opportunity to learn...

Hello everyone! Today, I’d like to introduce a new version of EmbedCatalog. It’s a personal project...

Since software was first invented, many tech executives have relentlessly attempted to reduce the...

Stop Letting Your README Rot: Auto-Sync It on Every Push Every developer has lived this:...

AI coding agents like Claude Code and Codex can now work on longer tasks without supervision. That...

Hello! My name is Sergio, but everyone calls me Wolf. This is the first piece in a series I plan to...

The problem If you've built anything with LLMs, you've hit this wall: your data lives in...

A test named test_all_adapters_importable asserted nothing. It would pass forever, even if every...

Olá, DEV Community! 👋 Este é o meu primeiro post por aqui, e decidi começar abordando um dos tópicos...

AI helped me ship more this summer. Learning to stop has been harder. Between 15 June and 17 August...

I've spent the last while building MCQplex, an exam-prep platform for Nepal's NEB curriculum. Along...

The dangerous AI answer is not the one that fails. It is the one that looks right, reads with total...

anything2explainer gives Claude Code and Codex a staged Remotion workflow for narrated videos, with editable shots, four user checkpoints and bilingual output.

In 1988, a compiler was tricked into overwriting a billing file. Agents make the same mistake at machine speed.

I used to think becoming a better developer meant learning more...

AI-assisted development is rapidly moving beyond autocomplete and simple chat interfaces. We are...

Dantiva turns a photo into a short video. You pick a template, upload a picture, and a few minutes...

Hello, I'm Shrijith Venkatramana, and I'm building LiveReview — a blast-radius aware AI code review...

Built an MCP server that turns awwwards.com into an agent-readable design library. 7 tools over stdio...

Claude Code Session Compaction in 2026: How Context Summarization Works and What Your Agent...

A technical breakdown of using a local AI model + RAG to convert static HTML sites into installable...