Md Tarikul Islam
#Microservices …
Web Development
How to Go from Toy API Calls to Production
Imagine this scenario: you ship a feature in the morning. By afternoon, users are rage-clicking a bu …
![The Math Behind Artificial Intelligence: A Guide to AI Foundations [Full Book]](https://cdn.hashnode.com/res/hashnode/image/upload/v1766099739986/049ff3c0-0150-495e-97e9-4f16f3861058.png)
The Math Behind Artificial Intelligence: A Guide to AI Foundations [Full Book]
"To understand is to perceive patterns." - Isaiah BerlinThis is nota math book filled with complex f …
How to Build a QR Code Generator Using JavaScript – A Step
QR codes are everywhere today. You scan them to open websites, make payments, connect to WiFi, or ev …
Open Source Tools Every STEM Student Should Know About
June 9, 2026 / #Op …
How to Build a Fashion App That Helps You Organize Your Wardrobe
I used to spend too long deciding what to wear, even when my closet was full.That frustration made t …
The State of CSS Centering in 2026
What? Another article about centering?! But all we have to do is use display: flex | grid, then alig …
How to Create a GPU
Every time you spin up GPU infrastructure, you do the same thing: install CUDA drivers, DCGM, apply …
How to Use Classes in JavaScript – A Handbook for Beginners
Are you curious about classes in JavaScript but feel a little puzzled about how they work or why you …
AI in Finance: Transforming Investments and Banking in the Digital Age
Artificial Intelligence (AI) is rapidly reshaping the financial sector. As models become more powerf …
How to Build and Secure a Personal AI Agent with OpenClaw
AI assistants are powerful. They can answer questions, summarize documents, and write code. But out …
The State of CSS Centering in 2026
What? Another article about centering?! But all we have to do is use display: flex | grid, then alig …
Deep Reinforcement Learning in Natural Language Understanding
Language is messy, subtle, and full of meaning that shifts with context. Teaching machines to truly …
Beyond NVIDIA: Where the AI Infra Trade Actually Shows Up
The AI capex trade is usually discussed like one clean idea. Capex simply means capital expenditure, …
How to Generate PDF Files in the Browser Using JavaScript (With a Real Invoice Example)
Generating PDF files is something most developers eventually need to do. Whether it’s invoices, repo …
How I Completed 15 freeCodeCamp Certifications in 4 Months: A Structured Learning Journey
Can you achieve a massive milestone while you're still in high school other than just getting high g …
How to Optimize Enterprise Knowledge Graphs for Scalable Digital Product Platforms
June 8, 2026 / #da …
How to Build a Secure AI PR Reviewer with Claude, GitHub Actions, and JavaScript
When you work with GitHub Pull Requests, you're basically asking someone else to review your code an …
freeCodeCamp.org Privacy Policy: Questions and Answers
We take your privacy seriously. And we give you full control over your data.Does freeCodeCamp collec …
How I Completed 15 freeCodeCamp Certifications in 4 Months: A Structured Learning Journey
Can you achieve a massive milestone while you're still in high school other than just getting high g …