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Articles 109,412Blog Posts 120,340Tech Tutorials 27,831Research Papers 22,433News 16,509
⚡ AI Lessons

Dev.to · Arthur
1d ago
The System Prompt Is Not a Security Boundary
A field guide to AI-agent security: prompt injection, the lethal trifecta, least-privilege defenses — and what the OWASP LLM Top 10 covers.

Dev.to · Arthur
2d ago
A Circuit Breaker in Go: Build One in 100 Lines, Then Reach for gobreaker
A field guide to circuit breakers: state machine, failure modes, half-open probe — and the pattern's place in microservice resilience.

Dev.to · Arthur
3d ago
Your SQLite Inserts Got 10 Slower — and a Random UUID Did It
Three primary-key strategies for growing tables, benchmarked: integer, UUIDv4, UUIDv7 — and what each costs in insert speed.

Dev.to · Arthur
4d ago
How the Internet Got Cleaned of Spam
A reader who first used the web in 2020 does not remember what a search results page looked like in 2003. It is worth describing in some detail, because the gap

Dev.to · Arthur
☁️ DevOps & Cloud
⚡ AI Lesson
5d ago
Your Commit History Is a Routing Header
On April 25, 2026, a Claude Max 20x subscriber opened GitHub issue #53262 against anthropics/claude-code. The issue's author, sasha-id, had spent $200.98 on ext

Dev.to · Arthur
1w ago
Two Hours of Deliberation
Nine jurors. Two hours of deliberation. Twenty-six claims at the original federal complaint's peak. Three surviving claims at trial. Zero claims surviving the v

Dev.to · Arthur
🔧 Backend Engineering
⚡ AI Lesson
1w ago
How to Run Out of Senior Engineers Without Firing Any
The industry is going to wake up in five to seven years to a shortage of senior engineers, and it will not be because we fired any of them. The current cohort o

Dev.to · Arthur
1w ago
The Calendar Technicality
The Oakland verdict in Musk v. Altman came in this morning at the federal courthouse on Clay Street. A nine-person advisory jury, sitting before Judge Yvonne Go

Dev.to · Arthur
🛡️ AI Safety & Ethics
⚡ AI Lesson
1w ago
Why Prompt Injection Won't Be "Fixed"
The scenario starts the same way every time. You ask an AI assistant to read your inbox and summarize the messages it finds there. The assistant opens an email.

Dev.to · Arthur
⚡ AI Lesson
1w ago
An Editor Built Like a Video Game
On April 29, 2026, Nathan Sobo published the Zed 1.0 announcement post on Zed's blog. The post landed on Hacker News at 2,047 points and 663 comments — the high

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
1w ago
MCP After Year One — Six Design Lessons the Industry Is Still Learning
Anthropic announced the Model Context Protocol in November 2024. A year and a half later it is the closest thing the agent ecosystem has to a standard, with Ant

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
1w ago
Browsers shipped a security model for humans. Agents are asking us to keep using it.
The browser security model is one of the most carefully thought-through pieces of software engineering on the planet. Same-origin policy. User gesture requireme

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
2w ago
A year of AI-agent incidents. The model is rarely the bug.
I want to walk through the public AI-agent incidents from the last sixteen months in chronological order. The headline framing on each of them, when they hit th

Dev.to · Arthur
☁️ DevOps & Cloud
⚡ AI Lesson
2w ago
Git as source of truth is a property, not a slogan
The most useful insight in the Kubernetes-drift postmortem I want to walk through here is the one the team writes near the end, almost in passing: production di

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
2w ago
A voice agent is not a chatbot with a phone number
The cleanest illustration of why this matters comes from a small, ordinary failure on a small, ordinary outbound campaign that I've been reading about: roughly

Dev.to · Arthur
🛠️ AI Tools & Apps
⚡ AI Lesson
2w ago
The junior-developer pipeline is a slow-motion arithmetic problem
The two numbers I want to start with are these. Stack Overflow's monthly question volume fell from 108,563 in November 2022 (the month ChatGPT launched) to 25,5

Dev.to · Arthur
2w ago
The Magic Behind the Screen
Mercedes-Benz, the drive.com.au reporting by Matt Adams informed us on May 3, has committed to bringing back physical buttons in its upcoming GLC and C-Class mo

Dev.to · Arthur
⚡ AI Lesson
3w ago
DigitalOcean vs Vultr: The AWS Alternatives Small Businesses Actually Need
If you have ever spent a workday watching your website refuse to load, you are not alone. In a recent outage, a single building in Northern Virginia hosting one

Dev.to · Arthur
⚡ AI Lesson
3w ago
The Person, Not the Cards
In December 2025, Anthropic acquired Bun, the JavaScript runtime written in Zig. In April 2026, the Bun team announced a 4× compile-time improvement on their fo

Dev.to · Arthur
🧠 Large Language Models
⚡ AI Lesson
3w ago
An LLM benchmark is only useful for as long as it's hard
The general shape of the problem is that every public LLM benchmark is on a saturation clock that runs from the moment of its publication to the moment a model'

Dev.to · Arthur
🧠 Large Language Models
⚡ AI Lesson
1mo ago
Gemma 4 E4B caught three planted fabrications in 50 seconds — on a laptop, no cloud
This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I...

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
How I made my React site agent-ready in 100 lines
This is a submission for the Google I/O Writing Challenge A 100-line recipe for making a React site...

Dev.to · Arthur
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
I built an AI PR-triage agent in 30 lines of Markdown
This is a submission for the Google I/O Writing Challenge A recipe for the AI PR-triage agent I...

Dev.to · Arthur
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
Why Your Logs Are Useless Without Traces
It is three in the morning, the on-call rotation is awake, and the logs scroll past at a rate the eye cannot track. Ten thousand identical lines reading "ERROR
DeepCamp AI