Token-Based Authentication: From HTTP Requests to JWT, OAuth 2.0, and API Authorization
A practical, end-to-end guide to HTTP fundamentals, token types, JWT validation, OAuth 2.0, OpenID Connect, refresh tokens, security controls, and ASP.NET Core.
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Blog
Technical articles, research notes, tutorials and engineering write-ups, newest first.
2026
Introduction to Control Systems
An introductory overview of feedback and system behavior.
Notes on Numerical Integration of ODEs
Explicit Euler versus fourth-order Runge-Kutta on a test equation, and why accuracy and stability are separate questions.
A Primer on State-Space Models
Writing a mechanical system in state-space form, and reading its stability from the eigenvalues of one matrix.
Feedback and System Behavior
How closing the loop changes the speed of a simple first-order system and how sensitive its output is to plant errors and disturbances, checked with a short simulation.