Articles & Tutorials
149 technical articles covering AI, Machine Learning, Cybersecurity, Data Science, and Programming. Practical guides, tutorials, and deep dives — written for developers.
109 articles · Python
How Websites Actually Work: DNS, HTTPS, Servers and Browsers
Key Takeaway --> Every website visit involves six stages — URL parsing, DNS resolution, TCP connection, TLS encryption, HTTP request/respo…
Reverse Proxy Explained: Nginx, Caddy and Modern Web Applications
Key Takeaway --> A reverse proxy sits between clients and your application, handling SSL termination, load balancing, static files, and se…
Infrastructure as Code Explained: Terraform and OpenTofu
Key Takeaway --> Terraform and OpenTofu use the same HCL syntax, same providers, and same state format. OpenTofu adds native state encrypt…
Build a Production-Style Python CI Pipeline
Key Takeaway --> A production CI pipeline goes beyond running tests. It combines pytest for correctness, linting for code quality, securit…
GitHub Actions Explained: Build Your First CI/CD Pipeline
Key Takeaway --> GitHub Actions runs your build, test, and deployment steps automatically on every push or pull request. A single YAML fil…
Docker Security for Developers: 15 Practical Rules
KEY TAKEAWAY Docker containers run with permissive defaults. Run as non-root, use minimal base images, never embed secrets, scan for vuln…
Docker Images vs Containers Explained
KEY TAKEAWAY A Docker image is a read-only blueprint containing your application, dependencies and configuration — like a class definitio…
Docker vs Virtual Machines: What Developers Need to Know
KEY TAKEAWAY Docker containers and virtual machines both isolate software, but they work at different levels. Containers share the host k…
Secrets Management for Developers: From .env Files to Secret Managers
KEY TAKEAWAY Secrets management is the practice of storing, accessing, rotating and revoking credentials securely. .env files work for lo…
SQL Injection Explained and Prevented
KEY TAKEAWAY SQL injection occurs when user input is concatenated directly into a SQL query string, allowing the input to become executab…
Hashing vs Encryption vs Encoding: What's the Difference?
Key Takeaway --> Hashing verifies integrity and stores passwords safely. Encryption keeps data confidential with a key. Encoding converts …
Data Versioning Explained: Why Git Alone Isn't Enough for Data Science
Key Takeaway --> Git is excellent for tracking code, but it was never designed for large datasets, models, or ML pipelines. Data versionin…