I Built a Cross-Platform Price Comparison Tool for Retail Arbitrage
Retail arbitrage is conceptually simple: buy a product on one platform where it's cheap, sell it on another where it's expensive, and pocket the difference. ...
Dev.to Articles
Updated 3 min ago · 12 articles from Dev.to
I built a CLI to test Tauri apps because nothing else worked
I spent a weekend trying to set up end-to-end testing for a Tauri v2 app. Two hours into configuring WebdriverIO, I still couldn't get it to connect to the W...
What does it really cost to become a DevOps engineer? Getting started in DevOps without spending a dime
Let's be real, when most people Google "how to become a DevOps engineer," they land on listicles selling $500 Udemy courses, $300/year certification prep, an...
The Conformation
Shape determines function. Four independent labs proved it in four different substrates in the same quarter. The industry debates scale versus architecture. ...
Automating Roadmap.sh into NotebookLM
Introduction If you're a developer, you probably know roadmap.sh. It's the gold standard for figuring out what to learn, packed with community-curated articl...
The Monday morning report that should write itself
Every Monday morning, somewhere in an IT team, someone is doing the same thing. They are opening five tabs, pulling numbers from a dashboard, copy-pasting in...
Why your LLM knows more about ancient Rome than your own database
Your AI assistant can tell you the exact year Julius Caesar crossed the Rubicon. Ask it what devices are currently offline in your network? Blank stare. This...
My Biggest Mistake: Why You Should i18n Your Next.js App From Day One (A Vibe Coding Survival Guide)
My Biggest Mistake: Why You Should i18n Your Next.js App From Day One I built a split-bill application called FAMI-KAN (originally for the Japanese market) u...
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Environment Variables You're Leaking to the Frontend Without Knowing It
You added NEXT_PUBLIC_ to your API key "just to test something quickly". That was six months ago. It's still there. Most developers know the rule: secret key...
Persistent memory in Claude Code: what's worth keeping
Claude remembers nothing. Every session starts from scratch — the preferences you explained last week, the business constraints it discovered while working o...
I Built a Voice AI with Sub-500ms Latency. Here's the Echo Cancellation Problem Nobody Talks About
When I started building GoNoGo.team — a platform where AI agents interview founders by voice to validate startup ideas — I thought the hard part would be the...
How I Found $1,240/Month in Wasted LLM API Costs (And Built a Tool to Find Yours)
I was spending about $2,000/month on OpenAI and Anthropic APIs across a few projects. I knew some of it was wasteful. I just couldn't prove it. The provider ...
