[jarin]

My favorite _why-ism was how he would hand write and scan code snippets for his blog (often without any explanation of what it did). Then, when lazy people started OCR-ing the images, he would post code as animated GIFs.

It was not only fun to look at, you actually had to type out the code yourself to find out what it did.

[omaranto]

you actually had to type out the code yourself to find out what it did.

Or think.

[avree]

Which is a really, really, really awesome way to force people to learn code.

[5plic3r]

as demonstrated by http://learnpythonthehardway.org/