Some networking concepts I had to learn and consolidate for a task in a software company.

Differentiating concurrency and parallelism is confusing without understanding the underlying concepts first. This article aims to give you a pretty good understanding of the core concepts of concurrency, how it is handled by different programming languages, and gives some generic guidelines on when to use which.

What is JPEG, and how does it work? This document covers the basics of this lossy compression algorithm, and also goes into some detail about specifically how the Discrete Fourier Transform helps with compression.