One of the most interesting ideas I came across in the past few months was Metacademy. Its knowledge graph idea was less interesting to me than the idea that you could break knowledge up into prerequisites such that you could study without ever getting stuck.

### Book Review: Think Better by Tim Hurson

I didn’t get all that far into this book because it’s a mix of pop psych and shitty research.

### Making rm slightly safer

Lots of people alias rm to rm -i for the sake of safety. Another thing that helps is not typing rm -rf ./files and instead typing rm -rf files. The ./ prefix is easily mistyped, and can lead to any of the following scenarios:

### Crippling Your Technology, Part 1

Sometimes it feels like I blog only when I can’t sleep. Maybe that’s why these posts lack content.

### Quotient spaces, visually understood

Quotient spaces until recently gave me a great deal of trouble. I had no intuition for them, and no image to latch on to.

### More Diverse Music Thanks To Computers

I was just going through my to-do list about 10 minutes ago and one item on it was “listen to more diverse music”. Well, I’m lazy and that’s never going to happen on its own. So I wrote a short shell script to make it easier.

### Custom infix operators

I started thinking of this after mucking around with Python’s os module a lot more recently.

### My First Vim Plugin

I wrote a Vim plugin to replace Notational Velocity.

I’ve got a lot of use out of my iPad Pro. I think it’s one of the few purchases that makes you more productive as a researcher, and I’ve convinced a lot of researchers to buy it. Now I’ll try to convince you.

## Some Cringy Self-Promotion

### less pager filter command

I’m using the less pager more and more these days.

### Simple is Difficult

You want to know a secret? Writing what you call good music is easy, piece of cake. You’re writing for intelligent, educated people who are prepared to meet you halfway. It’s the army songs and the romantic ballads that made me sweat blood.”

### Stop using Drop Caps

They look terrible, mess up the formatting of a page, and make it annoying to copy plaintext, like God intended.

### One View of Lazy Evaluation

From Simon Peyton Jones’s interview in Coders At Work by Peter Siebel.

### The Feeling of Being at an Airport

Best described by K. J. Parker.

### Y'all Should Eat Mackarel

Most people don’t seem all that fired up about mackerel, especially for things other than sushi (grilled or fried). To be fair, it does spoil awfully fast.