ZTM Blog Library

Welcome to our complete library of 100s of free in-depth guides, step-by-step tutorials, and more to help you learn in-demand skills, get hired, and advance your career.

P.S. Don't forget to subscribe to get the latest posts (and exclusive offers)!

Don't miss our free monthly newsletter to receive new posts, resources, exclusive offers and more 👇
Thanks for signing up. If you don't receive an email shortly, double check your spam box 🙂!

Join 300,000+ tech professionals. Unsubscribe anytime.

Tutorials

Showing 117 results RESET

Explore:

Show all posts
By Topic
Web Development
Machine Learning & AI
Data Analytics
Cyber Security
DevOps
Design
Career Advice
By Format
Must Read
AMA's
Beginner? Start Here
Advance Your Career
Success Stories
Tutorials
Beginner’s Guide to the JavaScript switch Statement preview
September 12th, 2025 · 12 min read
Beginner’s Guide to the JavaScript switch Statement

Simplify your JavaScript with switch. Stop drowning in if/else chains and learn the clean, modern way to handle multiple outcomes. (With code examples!)

Jacinto WongJacinto Wong
Web Development
Tutorials
Beginner’s Guide to the Top DevOps Principles preview
September 8th, 2025 · 12 min read
Beginner’s Guide to the Top DevOps Principles

Learn the 7 DevOps principles every engineer must know. From CI/CD to security, build systems that scale without stress.

Andrei DumitrescuAndrei Dumitrescu
DevOps
Tutorials
Beginner’s Guide to Python’s Sleep Command preview
September 1st, 2025 · 12 min read
Beginner’s Guide to Python’s Sleep Command

Struggling with your code racing ahead? This guide shows how to use Python’s time.sleep() to pause smartly, avoid errors, and add creative effects.

Travis CuzickTravis Cuzick
Web Development
Tutorials
Beginner’s Guide to the InStr Function in VBA preview
August 25th, 2025 · 12 min read
Beginner’s Guide to the InStr Function in VBA

Struggling with text in VBA? Discover how the InStr functions helps you finds words, streamlines code, and powers automation to save you hours. (With examples)

Travis CuzickTravis Cuzick
Tutorials
Data Analytics
Beginner’s Guide to Terraform apply preview
August 18th, 2025 · 12 min read
Beginner’s Guide to Terraform apply

Unlock the power of Terraform apply. From first run to advanced flags, learn the secrets to smooth, reliable infrastructure deployments.

Andrei DumitrescuAndrei Dumitrescu
DevOps
Tutorials
Beginner’s Guide to CSS Comments preview
August 11th, 2025 · 14 min read
Beginner’s Guide to CSS Comments

CSS comments may be simple, but they can transform your workflow. Learn how to use them effectively with examples, tips, and pitfalls to avoid.

Jacinto WongJacinto Wong
Web Development
Tutorials
Beginner’s Guide to Chain of Thought Prompting preview
July 23rd, 2025 · 17 min read
Beginner’s Guide to Chain of Thought Prompting

Discover the step-by-step prompting method that top researchers use to make LLMs think clearer and provide the right answers. (With examples).

Scott KerrScott Kerr
Machine Learning & AI
Tutorials
Beginners Guide to Conditional Formatting in Excel preview
July 18th, 2025 · 20 min read
Beginners Guide to Conditional Formatting in Excel

Stop missing important data! Learn how to use this simple (but overlooked) Excel function that makes patterns, problems, and priorities jump out on your sheets

Travis CuzickTravis Cuzick
Data Analytics
Tutorials
Beginner’s Guide to Terraform CLI Commands preview
July 16th, 2025 · 18 min read
Beginner’s Guide to Terraform CLI Commands

Finally make sense of Terraform CLI commands with this beginner friendly guide that shows you what to use when (with examples), + how to avoid common mistakes

Andrei DumitrescuAndrei Dumitrescu
DevOps
Tutorials

Best Articles. Best Resources. Only for ZTM subscribers.

If you want to be the first to get the next issue of our Monthly Updates and receive other exclusive ZTM content once in a while, subscribe here.

Join 300,000+ tech professionals. Unsubscribe anytime.