Konstantin's Blog

Personal blog of Konstantin Borisov.

Where did my AWS CDK deployment time go?

I wanted to understand where my AWS CDK deployments spent their time without jumping between pipeline actions, build logs, and CloudFormation events. So I built Pipeline Profiler: a free, MIT-licensed local tool that brings that evidence together in one HTML report.

The interesting problem was producing a useful explanation from incomplete evidence without presenting guesses as measurements.

Open the interactive example. All published examples are fictional, including their names, architecture, logs, and timings.

AI Simulates the Martingale Betting System with Cursor Agents

A quick, hands-on simulation of the Martingale betting system, built and tested using Cursor’s AI agents. You’ll watch me prompt an AI to write a Monte Carlo script in TypeScript, run the simulation to test the strategy, and use a different AI model to perform a complete code review of the generated logic. Think of it as a live demonstration of AI-driven development—not financial advice, but a clear overview of how AI can rapidly build and validate a complex simulation.

Quick peek at the Cursor AI agents

A quick, hands-on walk-through of building a Fridge Puzzle game in the browser using Cursor’s AI agents. You’ll watch me bounce between GPT-4-o, O3 and Claude Sonnet, generate the UI, wire up the rotate-row/column logic, handle window resizing, and deploy a playable demo. Think of it as a live tutorial and tool-tour—not production code, but a clear overview of how AI can speed up game prototyping. The final game: https://bukov-ka.github.io/fridge-puzzle/ The GitHub: https://github.

CloudFormation Profiler

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I couldn’t find a good CloudFormation profiler, so I built my own. CloudFormation Profiler analyzes stack events and shows resource deployment durations. It’s especially useful when you’re trying to optimize a stack you’re unfamiliar with or identify slow deployments.

AI Coding Session Video

People keep asking me to show how I code with AI. That’s why I made this video where I create a web application from scratch in 1 hour: Watching me code all the time might be boring, so I recommend using the navigation links to check the parts you’re interested in.

New ChatGPT - New Game

About a year ago, I wrote a game. At that time, it was version 3.5 and early version 4. A year has passed, and I asked ChatGPT to create another game for me. Behold...

Arrow Stand

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