2021-12-31
2838
#blockchain
Mario Zupan
84830
Dec 31, 2021 â‹… 10 min read

Substrate blockchain development: Core concepts

Mario Zupan I'm a self-employed Software Engineer and Trainer living in Vienna, Austria. I've worked at several companies and in multiple fields building, maintaining and operating distributed systems at scale using Java, Kotlin, Node, Go and Rust. I also taught advanced software engineering courses for several years at the University of Applied Sciences FH Joanneum in Graz and worked as a technical trainer, empowering other software engineers to reach their full potential. Currently, I work as a freelance software engineer and trainer again, looking to help companies build high-quality software solutions. Check out my personal blog: http://www.zupzup.org.

Recent posts:

Gemini CLI tutorial — Will it replace Windsurf and Cursor?

Gemini CLI tutorial — Will it replace Windsurf and Cursor?

Discover how to use Gemini CLI, Google’s new open-source AI agent that brings Gemini directly to your terminal.

Chizaram Ken
Jul 10, 2025 â‹… 8 min read
React & TypeScript: 10 Patterns For Writing Better Code

React & TypeScript: 10 patterns for writing better code

This article explores several proven patterns for writing safer, cleaner, and more readable code in React and TypeScript.

Peter Aideloje
Jul 10, 2025 â‹… 11 min read
A Guide To Wrapper Vs. Container Classes In CSS

A guide to wrapper vs. container classes in CSS

A breakdown of the wrapper and container CSS classes, how they’re used in real-world code, and when it makes sense to use one over the other.

Temitope Oyedele
Jul 7, 2025 â‹… 10 min read
Stagehand and Gemini logos on a gradient background symbolizing AI web automation

How to build a web-based AI agent with Stagehand and Gemini

This guide walks you through creating a web UI for an AI agent that browses, clicks, and extracts info from websites powered by Stagehand and Gemini.

Elijah Asaolu
Jul 4, 2025 â‹… 8 min read
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