Any number of methods may help much. Such as famous Feynmann 4-step method; or a just-do-it-attitude method.
Today I tried latter kind of method.
It's very gratifying to dig in; and discover the work of so many; with all the flaws and beauties encountered. However, time-boxing is critical; due to nature of software and people; and the transaction lag time between them.
Though both kinds of learnings are essential.
Grateful for such an opportunity; to be able to exercise the mind; and more importantly to realize: since per Eckhart Tolle, we are not our minds.