Data runs the world. Whether you’re building a website, analyzing customer behavior, or automating tasks, you’ll eventually need to store, retrieve, and manipulate data. That’s where MySQL comes in.MySQL is an open-source relational database management system (RDBMS) that enables efficient stora... Read All

LaTeX (pronounced La-tek or sometimes Lay-tek) is a document preparation system created by Leslie Lamport in 1984. It’s built on top of TeX, a typesetting system developed by Donald Knuth in 1978. But the story goes further back: TeX was based on troff, an even older system written by Joe ... Read All

Vim looks intimidating because it does not behave like most modern text editors. There are no obvious buttons for everything, and pressing a key does not always insert that character. Instead, Vim is built around modes, commands, motions, and operators. Once that idea clicks, Vim becomes much... Read All

Preface: This post is a quick tutorial about a specific tool or concept. What you read below is the essential knowledge you need to quickly learn to use this tool or concept. I publish these series under the name WTF Course. Quick Guide to Linux Terminal Commands: Debian/Ubuntu Only: sudo a... Read All