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Articles 188,458Blog Posts 170,396Tech Tutorials 50,471Research Papers 36,765News 23,128
⚡ AI Lessons
Dev.to · Konstantin
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
How I Solved Double-Booking Race Conditions in a Multi-Tenant SaaS — No Redis, No Distributed Locks
Two clients open the same salon's booking page. Both pick 2:00 PM on Friday. Both hit "Confirm"...
Dev.to · Konstantin
🌐 Frontend Engineering
⚡ AI Lesson
3mo ago
Stop Writing Angular HTTP Services by Hand
Generate signal-native, tree-shakeable API clients from any OpenAPI spec — in one command. You...
Dev.to · Konstantin
🖌️ UI/UX Design
⚡ AI Lesson
4mo ago
I Killed Two Forms. Here's What Replaced It
The form is the friction. Two real cases — a startup validation landing and a personal founder site — show what happens when you let visitors talk instead of ty
Dev.to · Konstantin
🌐 Frontend Engineering
⚡ AI Lesson
4mo ago
How I built subdomain-based multi-tenancy with Next.js 14, Supabase RLS, and Cloudflare — for free
Multi-tenancy is one of those things that sounds simple until you're three hours deep into...
Dev.to · Konstantin
📣 Digital Marketing & Growth
⚡ AI Lesson
4mo ago
The Faces in the Feed
A field report from the moment marketing's central metric began to fail — and the architecture that quietly replaced it.
Dev.to · Konstantin
🤖 AI Agents & Automation
⚡ AI Lesson
5mo ago
How we calibrated a Synthetic Focus Group from 'this looks great!' to 93% accuracy
6 months, 16 niches, 2,069 real insights, and 13 fixes that made AI personas actually disagree with us.
Dev.to · Konstantin
🤖 AI Agents & Automation
⚡ AI Lesson
5mo ago
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...
Dev.to · Konstantin
🤖 AI Agents & Automation
⚡ AI Lesson
5mo ago
How I Built a Real-Time Voice AI Interview System with Gemini Live API and WebSockets (and What Almost Broke Me)
When I started building GoNoGo.team -- a platform that uses AI to validate startup ideas through...
Dev.to · Konstantin
🔧 Backend Engineering
⚡ AI Lesson
8mo ago
Near real-time Server Logs in a Flask Dashboard
I built an inventory system for warehouse operators. Non-technical people. When something breaks, the...
Dev.to · Konstantin
🛠️ AI Tools & Apps
⚡ AI Lesson
9mo ago
Handling multiple branches in AI projects with git worktree
Learn how to use git worktree (and a helper tool called gwt) to manage long training jobs and bug fixes simultaneously.
DeepCamp AI