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Articles 131,978Blog Posts 136,781Tech Tutorials 34,209Research Papers 25,925News 18,714
⚡ AI Lessons

Dev.to · Serhii Kalyna
⚡ AI Lesson
2w ago
Building in public, week 17: turning one feature into a page cluster (and the internal-linking layer nobody sees)
Week 16 shipped the AI background remover: Rust-native, ort + ISNet + libvips, no Python. That was...

Dev.to · Serhii Kalyna
3w ago
Claude Design: First Look at Anthropic's AI Design Tool
Originally published at kalyna.pro Anthropic launched Claude Design in April 2026 as a research...

Dev.to · Serhii Kalyna
🎨 Image & Video AI
⚡ AI Lesson
1mo ago
I Benchmarked 17 Image Conversions on My Production Server. Some Results Were Not What I Expected.
I run Convertify, a free image converter built on Rust and libvips. Last week I decided to stop...

Dev.to · Serhii Kalyna
⚡ AI Lesson
1mo ago
Building in public, week 13: the debt week nobody posts about
I'm building Convertify, a free image converter, in public over 52 weeks. It's a solo project on Rust...

Dev.to · Serhii Kalyna
💻 AI-Assisted Coding
⚡ AI Lesson
1mo ago
Streaming Responses with Claude API in Python (2026)
Originally published at kalyna.pro Streaming sends Claude's response token by token as it's...

Dev.to · Serhii Kalyna
1mo ago
Claude Prompt Caching: How to Cut API Costs (2026)
Originally published at kalyna.pro If your app sends the same large system prompt, tool...

Dev.to · Serhii Kalyna
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
Claude API Function Calling: Complete Guide to Tool Use (2026)
Originally published at kalyna.pro Function calling — what Anthropic calls tool use — lets Claude...

Dev.to · Serhii Kalyna
1mo ago
How to Build a WordPress AI Plugin (Step-by-Step Guide 2026)
How to Build a WordPress AI Plugin (Step-by-Step Guide 2026) This guide builds a complete...

Dev.to · Serhii Kalyna
1mo ago
How to Build a Telegram Bot with PHP and AI (2026)
How to Build a Telegram Bot with PHP and AI (2026) This guide builds a fully working AI...

Dev.to · Serhii Kalyna
1mo ago
How to Integrate ChatGPT with PHP (Complete Guide 2026)
How to Integrate ChatGPT with PHP (Complete Guide 2026) This guide covers every approach:...

Dev.to · Serhii Kalyna
1mo ago
Vector Database Tutorial: Build Semantic Search from Scratch (2026)
Vector Database Tutorial: Build Semantic Search from Scratch (2026) A vector database...

Dev.to · Serhii Kalyna
💻 AI-Assisted Coding
⚡ AI Lesson
1mo ago
How to Build an AI Chatbot with PHP (Step-by-Step, 2026)
How to Build an AI Chatbot with PHP (Step-by-Step, 2026) This guide builds a working web...

Dev.to · Serhii Kalyna
💻 AI-Assisted Coding
⚡ AI Lesson
1mo ago
OpenAI PHP SDK: Complete Guide with Code Examples (2026)
OpenAI PHP SDK: Complete Guide with Code Examples (2026) The openai-php/client is the...

Dev.to · Serhii Kalyna
💻 AI-Assisted Coding
⚡ AI Lesson
1mo ago
How to Build a Telegram Bot with Python and AI (2026)
A Telegram bot is one of the most practical ways to deploy an AI assistant — your users already have...

Dev.to · Serhii Kalyna
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
The Rust binding compiled fine. then it started segfaulting in prod
I run a free image converter, its built on rust + axum + libvips. it had been happily running for...

Dev.to · Serhii Kalyna
1mo ago
Week 12 building Convertify in public (free image converter, Rust + libvips + Next.js SSG)
What I shipped: Two new tools live: Resize Image and Crop Image, both on libvips natively A...

Dev.to · Serhii Kalyna
1mo ago
How to Use OpenAI API with PHP (Complete Guide, 2026)
How to Use OpenAI API with PHP (Complete Guide, 2026) PHP powers a large part of the web,...

Dev.to · Serhii Kalyna
1mo ago
Claude vs GPT-4: Which AI API Is Better for Developers? (2026)
Claude vs GPT-4: Which AI API Is Better for Developers? (2026) Choosing between Claude and...

Dev.to · Serhii Kalyna
🛠️ AI Tools & Apps
⚡ AI Lesson
1mo ago
Building in public, week 11: 143 pages indexed, a TinyPNG alternative in Rust
Week 11 of building Convertify a free image converter (Rust + Axum + libvips, Next.js SSG frontend)...

Dev.to · Serhii Kalyna
1mo ago
Building Image Compression in Rust with libvips Real Benchmarks, Real Tradeoffs
I've been building Convertify a free image converter for 11 weeks now. Last week I added compression...

Dev.to · Serhii Kalyna
1mo ago
Pinecone Tutorial: Getting Started with Vector Search in Python (2026)
Originally published at kalyna.pro Pinecone is a managed vector database built for...

Dev.to · Serhii Kalyna
2mo ago
Building Convertify in Public Week 10: PDF Cluster + Blog Launch
Week 10 of building Convertify (convertifyapp.net) in public. What I shipped PDF cluster...

Dev.to · Serhii Kalyna
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
Why I Finally Added a Blog to My Converter Tool
Two months in, 75 pages indexed, zero blog posts. That was the plan — ship converter pages, get them...

Dev.to · Serhii Kalyna
🧠 Large Language Models
⚡ AI Lesson
2mo ago
LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026)
Choosing between LangChain and LlamaIndex is one of the first decisions you face when building a...
DeepCamp AI