Once you have a specific goal in mind, it suggests the kinds of questions you should be asking the library oracle, and you let that guide what you study.
In other words, if you have an actual problem, and you really need to solve it, that is the motivating and focusing force.
At least, I am guessing that's how he did it. I could be totally wrong.
In other words, if you have an actual problem, and you really need to solve it, that is the motivating and focusing force.
At least, I am guessing that's how he did it. I could be totally wrong.