Quizzes and games like Roblox are a good way to build your knowledge, whether you’re learning to code or becoming a K-pop expert.ICYMI: Listen to our conversation with HashiCorp cofounder Mitchell Hashimoto, who recently returned to an IC role after serving as CEO and CTO.Connect with Jon on LinkedIn or follow him on Twitter.Today’s Lifeboat badge goes to user Roko C. Buljan for their answer to Pure CSS 3 image slider—without JavaScript or radio inputs.