Security
Security9 min read
Is Public Wi‑Fi Safe? What to Do Before You Connect
A practical checklist for coffee shops, airports, and hotels—what actually goes wrong on public Wi-Fi and what a VPN can't fix.
Onuorah Nnamdi Martins
Backend-focused software developer building practical products and writing about engineering, APIs, and shipping cleaner systems.
Security
Security9 min read
How to Spot Fake Login Pages
The lookalike-domain tricks, HTTPS myths, and urgency tactics behind fake login pages, plus a step-by-step way to check before you type your password.
Security
Security8 min read
Two-Factor Authentication vs Password Managers: Do You Need Both?
Password managers and two-factor authentication solve different security problems—here's why you need both, not just one.
Tutorials
Tutorials9 min read
Python vs JavaScript: Which Should Beginners Learn First?
A fair, no-hype comparison of Python and JavaScript covering syntax, use cases, job markets, and which one makes sense as your first language.
Tutorials
Tutorials8 min read
How to Find a Website's URL on Phone and Desktop
Step-by-step instructions for finding a page's full web address on iPhone, Android, and desktop browsers—including tricky in-app browsers.
Guides
Guides8 min read
What Is HTTP vs HTTPS? A Beginner's Guide
A plain-English explanation of what HTTP and HTTPS actually do, what the padlock icon does and doesn't mean, and how to check what's protecting your data.
Tutorials
Tutorials8 min read
What Is Python Used For?
Web development, data science, automation, and AI scripting, plus how to install Python and write your first script.
Guides8 min read
BotMart.app: What It Is, How to Use It, and What It Offers
A practical guide to BotMart — the free online toolkit for compressing video, converting files, removing vocals, and handling PDFs in the browser.