In each row of Pascal’s triangle, the sum of the even-indexed entries equals the sum of the odd-indexed entries.

A simple explanation about the triangle inequality.

With authbind, you can bind privileged ports with regular user privileges.

Explains alternative tokens in C++.

Explains advanced SSH techniques such as multi-hop SSH, port forwarding, and port knocking.

How to use multiple GitHub accounts efficiently.

A streamlined way to compute integrals of products of exponential and trigonometric functions.

Wrote a systemd service to automatically shut down a machine if no one logs in within a certain time after boot.

Implemented the elbow method in C++ to estimate the number of clusters for k-means and verified its behavior.

Implemented k-means++, an improved version of the k-means algorithm, in C++ and verified its behavior.