Bits, bytes and hexadecimal: what 0x means and why hex works the way it does
The 0x prefix marks a hexadecimal number. Here's why hex maps so neatly onto bits and bytes, and how to read it without treating it as magic.
Deep dives into CS topics that complement the book.
The 0x prefix marks a hexadecimal number. Here's why hex maps so neatly onto bits and bytes, and how to read it without treating it as magic.
A practical self-study guide for developers who want the useful parts of computer science without trying to recreate a whole degree from scratch.
A free, 45-page roadmap through computer science — what to learn, in what order, and what you can safely skip. Four tailored paths for working developers, beginners, interview preppers, and future CS students.