CodeWars: Learn programming through test-driven development

As I wrote about Project Euler and CodingGame before, someone recommended me CodeWars. CodeWars offers free online learning exercises to develop your programming skills through fun daily challenges. In line with Project Euler, you are tasked with solving increasingly complex programming challenges. At CodeWars, these little problems you need to solve with code are called…

Free course: SQL for Data Science

Kirsten Kehrer from datamovesme.com does all kinds of super valuable stuff in SQL and end of 2019 she decided to share it with the world via a free SQL course. The course is focused on data science and has 5 modules with video lectures: Intro Video Module 1 Video  Module 2 Video 1 and Module 2 Video…

GoalKicker: Free Programming Books

This specific link has been on my to-do list for so-long now that I’ve decided to just share it without any further ado. The people behind GoalKicker, for whatever reason, decided to compile nearly 100 books on different programming languages based on among others StackOverflow entries. Their open access library contains books on languages from…

SQL resources (free courses, books, & cheat sheets)

My list of SQL resources is still quite short so if you have additions, please comment below or contact me! There are separate overviews for Data Science, Machine Learning, & Statistics resources and for R resources and Python resources. LAST UPDATED: 11-11-2018 Cheat sheets: SQL Basics cheat sheet MySQL cheat sheet by Dave Child SQL cheat sheet by sql-tutorial.net…