In November 2009, I wrote an entire column (“Dr hjkl and Mr Hack”) devoted to programs with vi-style keybindings. In the column, I introduced the Vimperator plugin for Firefox and discussed how it ...

The first time I used vi was in a college programming course. It was the default editor on the computer lab's UNIX systems we used to compile our assignments. I remember when our professor first ...

An optical illusion challenges viewers to find a subtle anomaly within a repeating pattern of the letters HJKL. The brain's tendency to overlook details in consistent patterns makes spotting the rogue ...