At a certain point you have to crunch, but you should take notes but also share your notes. Present lists of questions from the notes you took last time and show off the fact you are trying to catch up. The most frustrating thing to a lot of teachers is people that nod along and then ask the same question next week.
Also another good thing is to dig and ask around for older documentation/simpler versions. It is a lot easier to sometimes work at the task at hand if you can compare the naive version to the one with hard-won fixes. Sometimes the simplest explanation for what you need to do is the first few times the idea was pitched, not where it is now where that is an accepted norm of knowledge.
Also another good thing is to dig and ask around for older documentation/simpler versions. It is a lot easier to sometimes work at the task at hand if you can compare the naive version to the one with hard-won fixes. Sometimes the simplest explanation for what you need to do is the first few times the idea was pitched, not where it is now where that is an accepted norm of knowledge.