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Zero to Mastery Blog

Free posts, guides, and tutorials to help you learn in-demand skills, get hired, and advance your career.

Highest Paying Tech Jobs in 2025

Best Programming Languages To Learn In 2025

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Below you'll find our latest posts and guides written by our industry experts so you can stay on top of the tech industry!

All Posts

Web Development

Machine Learning & AI

Data Analytics

Cyber Security

DevOps

Design

Career Advice

Beginner’s Guide to Quality of Service in DevOps

17 min read

Think your app is slow? Think again. Discover the power of QoS in DevOps. What it is, how it works, and how to master it with Bash (with code examples!)

Andrei Dumitrescu

DevOps

Tutorials

What to do after High School?

13 min read

Not sure what to do after high school? This guide gives you real choices, pros and cons, and how to start making moves that feel right for you.

Daniel Daines-Hutt

Career Advice

Beginner’s Guide to Pytorch Loss Functions

25 min read

Struggling to get your PyTorch model to train properly? The issue might be your loss function. Learn how to fix it with this beginner-friendly guide.

Daniel Bourke

Machine Learning & AI

Tutorials

Beginner’s Guide to Abstract Classes in Python

13 min read

Why write a class you can’t use? Because it saves your code from chaos. Discover how abstract classes in Python make your systems bulletproof.

Travis Cuzick

Web Development

Tutorials

Beginner’s Guide to Stateful vs Stateless Firewalls in Cyber Security

13 min read

What if your firewall is only doing half the job? Find out why stateful vs stateless matters more than you think in this beginner’s deep dive.

Aleksa Tamburkovski

Cyber Security

DevOps

How to Become a Prompt Engineer & Get Hired in 2025

32 min read

Step-by-step guide to becoming a Prompt Engineer with no degree required. Learn the skills, build your portfolio and start applying. (Includes free resources!)