How to Fine Tune a Pre Trained AI Model Without Starting From Scratch
Training an AI model from scratch sounds impressive. It also takes weeks of compute time, hundreds of gigabytes of carefully curated data, and the kind of infrastructure budget that most students and small teams simply do not have access to. The good...
JWT Authentication in ASP.NET Core Web API Using HMAC-SHA256: Complete Beginner to Advanced Guide
Learn JWT Authentication in ASP.NET Core Web API using HMAC-SHA256 with complete beginner-to-advanced examples. Compare OAuth 2.0, JWT, API Keys and HMAC-SHA256, implement secure authentication, understand payment gateway webhook verification, and build production-ready .NET APIs. Imagine you have built an amazing...
SQL for Data Scientists: The Queries You Will Use Every Single Day
Most data science courses spend months on Python, machine learning algorithms, and statistical concepts. SQL gets a week, sometimes two, and then the course moves on. Students graduate knowing how to build a neural network but struggling to write a basic query...
What Is an AI Hallucination and Why Does It Happen: A Complete Guide for Students
What Is an AI Hallucination and Why Does It Happen There is a moment that almost every person using an AI tool experiences sooner or later. You ask a question, the AI responds with complete confidence, full sentences, specific details, and it...
Your LinkedIn Profile Is the First Interview. Most IT Students Are Failing It Before They Even Apply.
I have looked at hundreds of LinkedIn profiles from IT students over the years, and the pattern that shows up most consistently is not bad writing or missing information. It is the absence of anything that makes the person feel real. A...
How Netflix Recommends What You Watch Next: The Data Science Behind It
A student in one of our data science batches at TuxAcademy once asked me something that most people never actually stop to think about. He said he opens Netflix, and within a few seconds it already seems to know exactly what he...
What Is Social Engineering and How Hackers Manipulate People to Bypass Security
A few months ago, one of our cybersecurity students at TuxAcademy asked me a question that a lot of beginners ask sooner or later. He wanted to know why companies spend millions on firewalls, encryption, and intrusion detection systems, and then still...
Linux Commands Every IT Student Should Know Before Their First Job
A final year student gets their first internship offer. The excitement lasts about two days, until their manager sends a message saying SSH into the staging server and check the logs. The student stares at the screen, opens a black window they...
Git and GitHub for Beginners: Everything You Need to Know to Get Started
Git and GitHub Complete Beginner’s Guide: Installation, Commands and Branching Explained Every developer, at some point in their early days, accidentally deletes code they spent hours writing and has no way to get it back. Or they make a change that breaks...
How to Use Wireshark for the First Time: A Beginner’s Guide
When you connect to the internet, your computer is constantly sending and receiving small packets of data. Every website you open, every message you send, every file you download travels through your network in these packets. Most of the time you never...