Most Bangladeshi Students Are Building on the Wrong Platform
Why Bangladeshi students needs to use Linkedin instead of Facebook? Last year, I sat with a group of students after class and asked a simple question: how many of you have a LinkedIn profile? Out of more than thirty, two hands went up. Then I asked how many were on Facebook. Every hand in the […]
What Happens When You Teach Coding to Students Who Have Never Seen Code
What Happens When You Teach Coding to Students Who Have Never Seen Code Two years ago, eighteen students sat in front of me in a classroom in Chittagong, Bangladesh. They had never written a line of code. They did not know how computers talk to each other. They had never built a website or secured […]
The Best AI Model for Writing: What 50 Reddit Users Actually Recommend
I analyzed 50 Reddit users’ opinions on the best AI model for writing. Claude dominates with 20+ mentions. Here’s the data-driven ranking and why it matters.
A Proud Moment: Sunshine Grammar School & College Welcomes 14 Leading U.S. Universities
How 14 U.S. Universities Came to a School in Chittagong As a Senior Lecturer in Computer Science at Sunshine Grammar School & College, I’ve spent years helping students understand algorithms and data structures. But on November 28, 2025, my role shifted to something entirely different: supporting and facilitating EdTour, Bangladesh, Fall 2025, organized by […]
How I Built and Deployed a Shop Management System with Flask for My Uncle
🔗 Project Links Live Demo: https://abdullah-tech-shop.onrender.com GitHub Repository: https://github.com/raihanchowdhuryengineer/AbdullahTechShop When you grow up in a family that runs small businesses, you start noticing how much time and energy goes into simple daily tasks. My uncle owns a small gadget and electronics store, and like many others, he managed everything on paper — sales, stock, bills, […]
6 Simple Ways to Master English
Most people who set out to learn English do not fail because the language is too hard. They fail because they run out of patience before the method has time to work. I teach in a classroom every week, and the pattern is consistent. The students who improve are rarely the ones with the best […]
What Data Science Actually Is, and What Data Scientists Actually Do
Almost everything you did today produced data. Unlocking your phone, sending a message, buying groceries with a card, watching a video to the end or closing it after nine seconds. None of that was recorded because anyone cares about you personally. It was recorded because storage is cheap and someone might find it useful later. […]
How a Machine Actually Learns
A three-year-old can identify a dog. Not one specific dog, any dog. A Labrador, a street dog in Chattogram, a cartoon dog, a dog seen from behind in poor light. Nobody gave the child a definition. Nobody listed the criteria. They saw perhaps forty dogs over two years, someone said “dog” each time, and something […]
Everyone Says AI. Almost Nobody Means the Same Thing
In 1997 a computer beat the world chess champion, and it was called artificial intelligence. Today your phone plays chess better than that computer did, and nobody calls it anything. It is just a chess app. This happens every time. Handwriting recognition was AI until banks started reading cheques with it. Spam filtering was AI […]