Konstantin Komelin's Blog

Why I moved PreVibe's dashboard and MCP server to a VPS, how I handled the cutover, and the deployment problems I worked through along the way.

This time, I ran the same prompt through 18 video generation models from 5 providers to compare cost and generation time.

Picking the wrong image generation model can cost you 100x more and take 27x longer.

Not every React app needs Next.js.

This tutorial demonstrates how to build a custom HTML element with solid-element and theme it with the light-dark() CSS function.

In this post, I'll explain my tech choice and show you three approaches for building AI-powered APIs.

A simple JS script saved me about 5 hours over 3 months just by checking my place in a queue.

This tutorial is about the dotPrompt standard.

I've created a few code examples to compare Vercel AI SDK, Mastra, Langchain.js and Google's Genkit, and here are my impressions...

In this post we will go through Ollama server installation, LLM model setup and code integration.

Impressions, discoveries and tools after two months building my first Web3 project - a great start for web3 explorers.

Turn a React-Select dropdown into a fully-fledged autocomplete search box with remote data and result caching.

How I passed the OpenJS Node.js Application Developer (JSNAD) certification and my advice for future test-takers.

The stream piping is one of the features of Node.js which I especially like, so I will show you how to safely use it.

Three security modes every developer should know: black box, blacklist, and whitelist.

A security checklist for auditing an inherited React app and making sure the existing code is safe.

My takeaways from Kyle Simpson's talk on the economy of keystrokes at the MallorcaJS meetup, October 2019.