Real life programming for work isn't really the "hard" programming I'm talking about. Create a language runtime, a distributed database, a video player, a netw

Real life programming for work isn't really the "hard" programming I'm talking about. Create a language runtime, a distributed database, a video player, a network stack. I think if you can focus on something like this in whatever free time you have available, you're exercising your brain a lot more than the little leet speed drills.