How to navigate directories faster with bash. #unix

Impact of order of files in tar archive on compressed size. Nice post, which reminds me of an SO post that I referred to a while ago.

η-conversion and tail recursion. #lisp

Beej’s Guide to C Programming. #clang

Mac OS X is Apple’s effort to create a best-of-both-breeds operating system which directly leverages the advances and experience Apple has in the user experience arena and the well-established power of BSD. Mac OS X begins with a BSD foundation called Darwin. On Darwin we build the programming toolkits from Mac OS which we call Carbon, which in turn enables us to layer on the new user interface known as Aqua. Carbon also provides a straightforward transition strategy for our existing application base. We also provide a toolkit called Cocoa, which is an object-oriented API derived from NeXT’s OpenStep. — The Challenges of Integrating the Unix and Mac OS Environments

• Basic Music Theory in ~200 Lines of Python
• Deriving the piano keyboard from biological principles using clustering

Git from the Bottom Up. #git

Today’s lunch

Just found out my way to long-lasting Inbox zero: Using Neomutt, macro index D "<tag-pattern>~d >1m<enter><tag-prefix-cond><delete-message>" "trash old mail".

Old times, good times. PostScript® LANGUAGE REFERENCE (3rd ed.) (PDF, 912 pp.).