Dskipper https://dskipper.com Tech articles on software engineering, written for a global developer audience. en-us Understanding OOP: Four Pillars, Six Languages https://dskipper.com/articles/understanding-oop https://dskipper.com/articles/understanding-oop Sun, 16 Aug 2026 16:44:40 GMT Most OOP guides start with definitions. This one starts with the problems OOP was built to solve — then walks each pillar through JavaScript, TypeScript, Python, Java, C#, and C++. Postgres Indexing Basics: When a B-tree Isn't Enough https://dskipper.com/articles/postgres-indexing-basics https://dskipper.com/articles/postgres-indexing-basics Mon, 15 Jun 2026 00:00:00 GMT B-tree indexes cover most queries, but array and full-text columns need GIN, and geometric data needs GiST. Why TypeScript's Structural Typing Still Trips Up Newcomers https://dskipper.com/articles/typescript-structural-typing https://dskipper.com/articles/typescript-structural-typing Mon, 01 Jun 2026 00:00:00 GMT Structural typing makes TypeScript flexible, but it also produces surprising compatibility rules coming from a nominally-typed language.