Inspected DTrace scripts for Mac OS. A lot more details about processes than you’ll ever get our of Activity Monitor.

Mind the gap From Pinterest’s Founding Designer Shares His Dead-Simple Design Philosophy:

Figure out your product’s purpose, and keep designing and re-designing it. Shrink the gap between what it does and why it exists, and don’t stop until the gap disappears. As the founder of 37Signals Jason Fried has said, “The design is done when the problem goes away.”

In/out Bash process substitution.

Ren/del redis-tool offers glob rename nad delete. This will come in handy.

Mental The NOR Machine. A CPU with just one instruction. Impractical but fun mind bending exercise.

Summary 200 books each distilled down to their core message in < 140 chars each.