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📰 Dev.to · Arthur

53 articles · Updated every 3 hours · View all reads

All Articles 161,071Blog Posts 155,570Tech Tutorials 42,485Research Papers 31,730News 21,029 ⚡ AI Lessons
Your Postgres Is Quietly Rotting — Here Are the Queries That Show It
Dev.to · Arthur 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Your Postgres Is Quietly Rotting — Here Are the Queries That Show It
A dozen pg_stat_* queries that surface query drift, bloat, dead tuples, and autovacuum lag — what to run, when, and what each result means.
Apple's container machine: a Real Linux Box That Lives on Your Mac
Dev.to · Arthur ☁️ DevOps & Cloud ⚡ AI Lesson 1mo ago
Apple's container machine: a Real Linux Box That Lives on Your Mac
A native VM with mounts, networking, and Rosetta cross-arch builds — measured against colima and Docker Desktop, with the gaps called out.
You Probably Don't Need a Vector Database for RAG
Dev.to · Arthur 🔍 RAG & Vector Search ⚡ AI Lesson 1mo ago
You Probably Don't Need a Vector Database for RAG
RAG retrieval strategies without a vector database: BM25, keyword indices, knowledge-in-bundle — and when embeddings earn their cost.
You Probably Don't Need Redis: Put the Job Queue in Your SQLite File
Dev.to · Arthur 🔧 Backend Engineering ⚡ AI Lesson 1mo ago
You Probably Don't Need Redis: Put the Job Queue in Your SQLite File
A SQLite-only job queue: the claim SQL, WAL-mode concurrency, RETURNING for atomic dequeue — and when this beats reaching for Redis.
The System Prompt Is Not a Security Boundary
Dev.to · Arthur 🤖 AI Agents & Automation ⚡ AI Lesson 1mo 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.
A Circuit Breaker in Go: Build One in 100 Lines, Then Reach for gobreaker
Dev.to · Arthur 🏗️ Systems Design & Architecture ⚡ AI Lesson 1mo 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.
Your SQLite Inserts Got 10 Slower — and a Random UUID Did It
Dev.to · Arthur 🔧 Backend Engineering ⚡ AI Lesson 1mo 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.
How the Internet Got Cleaned of Spam
Dev.to · Arthur 📣 Digital Marketing & Growth ⚡ AI Lesson 1mo 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
Your Commit History Is a Routing Header
Dev.to · Arthur ☁️ DevOps & Cloud ⚡ AI Lesson 1mo 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
Two Hours of Deliberation
Dev.to · Arthur 📰 AI News & Updates 1mo 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
How to Run Out of Senior Engineers Without Firing Any
Dev.to · Arthur 🔧 Backend Engineering ⚡ AI Lesson 1mo 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
The Calendar Technicality
Dev.to · Arthur 📰 AI News & Updates 1mo 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
Why Prompt Injection Won't Be "Fixed"
Dev.to · Arthur 🛡️ AI Safety & Ethics ⚡ AI Lesson 1mo 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.
An Editor Built Like a Video Game
Dev.to · Arthur 📰 AI News & Updates ⚡ AI Lesson 1mo 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
MCP After Year One — Six Design Lessons the Industry Is Still Learning
Dev.to · Arthur 🤖 AI Agents & Automation ⚡ AI Lesson 1mo 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
Browsers shipped a security model for humans. Agents are asking us to keep using it.
Dev.to · Arthur 🤖 AI Agents & Automation ⚡ AI Lesson 1mo 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
A year of AI-agent incidents. The model is rarely the bug.
Dev.to · Arthur 🤖 AI Agents & Automation ⚡ AI Lesson 2mo 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
Git as source of truth is a property, not a slogan
Dev.to · Arthur ☁️ DevOps & Cloud ⚡ AI Lesson 2mo 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
A voice agent is not a chatbot with a phone number
Dev.to · Arthur 🤖 AI Agents & Automation ⚡ AI Lesson 2mo 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
The junior-developer pipeline is a slow-motion arithmetic problem
Dev.to · Arthur 🛠️ AI Tools & Apps ⚡ AI Lesson 2mo 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