I used it recently while preparing for interviews. I really liked it, especially their challenges which pair a small lesson with a coding problem. If you work y

I used it recently while preparing for interviews. I really liked it, especially their challenges which pair a small lesson with a coding problem. If you work your way through the different "tracks" it's a great way to focus on a particular area. Also, I had the best experience while doing technical screens on HackerRank, every other platform had issues of one sort or another.