In my hardest and most enjoyable job, working on an OS kernel, this was the only way I could make progress. In fact any C code base I basically feel this way.

In my hardest and most enjoyable job, working on an OS kernel, this was the only way I could make progress. In fact any C code base I basically feel this way. Empirically I'd wager most of my coworkers had similar habits, although the people I believed had more overall mental capacity than me did seem to have a much quicker ramp up time on just about anything.