#pragma once is non-standard, but it has an advantage. It’s OK to use this.

An overview of Gray code.

I wrote Python code to simulate the Monty Hall problem.

Discussing the function array_repr() which returns a NumPy array as an evaluatable string.

Explains how to use FFT, one of the basic tools in signal processing.

In programming, it is often necessary to control some form of state. This article summarizes several patterns for managing states.

To round a float value, adding 0.5 then casting to int is an amateur approach. Professionals use std::nearbyint.