Vidar's Blog

The key to understanding “Dynamic Programming” is that it’s not referring to “computer programming”

That time I wasted weeks hand optimizing assembly because I benchmarked on random data

FiniteCurve.com: TSP art on a CPU budget

Swap on HDD: Does placement matter? (tl;dr: Yes)

What exactly was the point of [ “x$var” = “xval” ]?

Why is /usr/bin/test 4kiB smaller than /usr/bin/[ ?

${var?} and &&: Two simple tips for shell commands in tech docs

Use echo/printf to write images in 5 LoC with zero libraries or headers

Zsh and Fish’s simple but clever trick for highlighting missing linefeeds

The curious pitfalls in shell redirections to $((i++))