Mario Zupan

  I'm a software developer originally from Graz but living in Vienna, Austria. I previously worked as a fullstack web developer before quitting my job to work as a freelancer and explore open source. Currently, I work at Netconomy.


33 Stories by Mario Zupan

Writing webpack plugins in Rust using SWC for faster builds

We explore how to build custom SWC plugins using Rust and then use them in webpack-based projects to speed up our builds.
0 7 min read

How to build a WebSocket server with Rust

This tutorial will demonstrate how to build a basic message relay service in Rust that clients can connect to via WebSockets.
2 11 min read

Create an async CRUD web service in Rust with warp

Learn how to create an asynchronous web app using warp and tokio-postgres and build a database-backed CRUD service with error handling — all in...
8 14 min read

Concurrent programming in Rust with Crossbeam

Learn concurrent programming in Rust using Crossbeam, an epoch-based memory management API.
0 8 min read

Fleet: A build tool for improving Rust’s Cargo

Fleet has great potential, especially for developers who do not enjoy fussing around with build pipelines, or build processes in general.
0 5 min read

Understanding String and &str in Rust

Learn why your code doesn’t compile when you’re trying to achieve something using strings and string-manipulation across your program.
1 8 min read

Configuring Vim for Rust development

Learn the basics of how to configure Vim for Rust development, plus get an in-depth look at using rust-analyzer.
3 7 min read

Build a full-stack TypeScript app using tRPC and React

The main goal of tRPC is to provide a simple, type-safe way to build APIs for TypeScript and JavaScript-based projects with a minimal footprint.
0 13 min read

Substrate blockchain application with a custom React frontend

We'll base our custom React frontend on the Substrate Frontend Template, forking it and customizing it by extending the template with some specific UI elements....
2 11 min read

How to build a custom blockchain implementation in Rust using Substrate

Learn how to implement a very basic, backend-based, custom blockchain application in Rust using Substrate.
2 12 min read

Substrate blockchain development: Core concepts

Explore key concepts about the Substrate blockchain framework that are important to understand before you build your own blockchain with consensus engines and customizable...
0 10 min read

How to build a blockchain in Rust

Learn how to build a blockchain application with a basic mining scheme, consensus, and peer-to-peer networking in just 500 lines of Rust.
5 24 min read