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📰 Dev.to · Arthur

25 articles · Updated every 3 hours · View all reads

All Articles 66,973Blog Posts 99,724Tech Tutorials 16,169Research Papers 13,808News 12,511 ⚡ AI Lessons
VS Code Now Credits Copilot on Every Commit by Default
Dev.to · Arthur 1w ago
VS Code Now Credits Copilot on Every Commit by Default
There's a one-line pull request open against microsoft/vscode. It changes the default value of a setting called git.addAICoAuthor from "off" to "all". The PR is
Both Camps in the 'Left Behind' Argument Are Right About Each Other
Dev.to · Arthur 1w ago
Both Camps in the 'Left Behind' Argument Are Right About Each Other
There's a small, angry post on a bear blog called migraine brain that's been on Hacker News for a few days now. The whole post is three paragraphs. It opens: "'
When Your Coding Agent's String-Matcher Becomes a Billing Decision
Dev.to · Arthur 1w ago
When Your Coding Agent's String-Matcher Becomes a Billing Decision
Three threads on the front page of Hacker News in the same stretch of about ten days turned out to be different views of the same bug. Claude Code, Anthropic's
The Go Service That Slowed Down Without Errors
Dev.to · Arthur 1w ago
The Go Service That Slowed Down Without Errors
There is a popular phrasing in Go circles that says concurrency is almost free. The phrasing is true at the level of stack allocation and misleading at the leve
Zed IDE Is 1.0 — and the Electron Era Just Ended
Dev.to · Arthur 1w ago
Zed IDE Is 1.0 — and the Electron Era Just Ended
Zed shipped 1.0 today. After five years of work, more than a million lines of Rust, and a public preview that hundreds of thousands of developers have been runn
What 44 CVEs Tell You About Rust's Safety Boundary
Dev.to · Arthur 🔐 Cybersecurity ⚡ AI Lesson 1w ago
What 44 CVEs Tell You About Rust's Safety Boundary
In April 2026, Canonical disclosed 44 CVEs in uutils, the Rust reimplementation of GNU coreutils that has been the default in Ubuntu since 25.10. The disclosure
Ubuntu 26.04: Goodbye sudo, Hello Rust and Post-Quantum SSH
Dev.to · Arthur 1w ago
Ubuntu 26.04: Goodbye sudo, Hello Rust and Post-Quantum SSH
On 23 April 2026, Canonical released Ubuntu 26.04 LTS, codenamed Resolute Raccoon. The release will be supported on the standard LTS track until April 2031, and
What GenAI Actually Costs in Production
Dev.to · Arthur 1w ago
What GenAI Actually Costs in Production
The first number anyone quotes when asked what generative AI costs is a per-token figure. It is a comfortable number — small, unambiguous, available on a vendor
AI Gave the Solo Creator a Studio. The Studio Is Rented.
Dev.to · Arthur 💻 AI-Assisted Coding ⚡ AI Lesson 2w ago
AI Gave the Solo Creator a Studio. The Studio Is Rented.
It is now possible, with the toolchain available to a single person on a normal laptop, to produce work that ten years ago would have required a team. The work
JavaScript Variables
Dev.to · Arthur ⚡ AI Lesson 2w ago
JavaScript Variables
var Old way of declaring variables Scope is function-based (not limited to blocks) Can...
React Overview
Dev.to · Arthur 🌐 Frontend Engineering ⚡ AI Lesson 2w ago
React Overview
React is a JavaScript library, not a framework. A library is a tool you use when needed A...
JavaScript Versions
Dev.to · Arthur 2w ago
JavaScript Versions
ES5 is an older version of JavaScript. It is a standard that defines how JavaScript works. ...
Claude Found Eleven Medical Errors in One Family's Records
Dev.to · Arthur 2w ago
Claude Found Eleven Medical Errors in One Family's Records
A software engineer with a child in a long-running diagnostic process built a homegrown medical-record service for his family, dumped years of accumulated recor
I Let an AI Agent Live on My VPS for Three Weeks
Dev.to · Arthur 3w ago
I Let an AI Agent Live on My VPS for Three Weeks
Saturday, 11pm. I'm at a friend's apartment across town and my laptop is at home. A Grafana alert lights up my phone: memory 92% on prod-1. The old me would hav
AWS Just Took Half the Internet Down Because a Building Got Too Hot
Dev.to · Arthur 3w ago
AWS Just Took Half the Internet Down Because a Building Got Too Hot
At 00:25 UTC on the morning of May 8, one availability zone of one region of one cloud provider began to fail in a structurally interesting way. The AWS Health
Best Free JSON Formatter & Validator Online (2026)
Dev.to · Arthur 1mo ago
Best Free JSON Formatter & Validator Online (2026)
Best Free JSON Formatter & Validator Online (2026) — Goosekit 📅 April 7, 2026 · 5 min read · ←...
50 Best Free Online Tools in 2026 — The Ultimate Collection
Dev.to · Arthur 1mo ago
50 Best Free Online Tools in 2026 — The Ultimate Collection
50 Best Free Online Tools in 2026 — The Ultimate Collection | Goosekit 50 Best Free Online Tools in...
What Is a Cron Job? A Beginner's Guide (Plus Free Visual Builder)
Dev.to · Arthur 1mo ago
What Is a Cron Job? A Beginner's Guide (Plus Free Visual Builder)
What Is a Cron Job? A Beginner's Guide (Plus Free Visual Builder) 📅 April 9, 2026 · 10 min read · ←...
Free Online JWT Decoder — Decode & Verify Tokens In Your Browser
Dev.to · Arthur 1mo ago
Free Online JWT Decoder — Decode & Verify Tokens In Your Browser
Free Online JWT Decoder — Decode & Verify Tokens In Your Browser 📅 April 9, 2026 · 10 min read ·...
I built 31 free developer tools in a weekend — here's what I learned
Dev.to · Arthur 1mo ago
I built 31 free developer tools in a weekend — here's what I learned
Not an april fool! Every developer has that moment: you need to quickly format some JSON, test a...