Part V — The Deep Cuts

Wherein the Reader, having mastered the Fundamentals, the Modern Toolkit, and the Data Structures, now ventures into the more Recondite Territories of the Language — Regular Expressions, Dates, JSON, Mathematical Curiosities, and the metaphysical Arts of Proxy and Reflection — each of which, like the Meaning of Life itself, appears mysterious until understood, and then turns out to be forty-two.