https://replit.com/learn/100-days-of-python/hub
https://www.hackerrank.com/ https://leetcode.com/problems/sign-of-the-product-of-an-array/?envType=study-plan-v2&envId=programming-skills
https://spring.io/guides/gs/rest-service/ https://spring.io/guides/gs/serving-web-content/ https://www.youtube.com/watch?v=ZwcHeLhvuq4&list=PLSVW22jAG8pCKcoHpnCh1cUeQJ8Aazchn&index=21
https://devopsdays.org/events/2023-seattle/welcome/
https://portswigger.net/web-security
https://levelup.gitconnected.com/5-work-tools-every-programmer-needs-in-my-opinion-a0e15483f772
https://brilliant.org/courses/visual-exploration/explore-data-visually/