Ever wondered which color transition function to use to get from one color to another? Ever wanted to create a site without hard-coding all similar colors?
Imagine that you need to borrow a hosted CSS file, along with its resources. You paste the CSS contents in a text editor, and start searching for url() patterns within it. After seeing 100+ matches, you bless the name of the CSS sprite-oblivious person who built it.
Quite a bit of people find the default vimtutor too static for their learning style. Here's a list of sites that let you learn Vim in a more interactive way.
Have you ever wondered how it feels to write a HTML5 game? Мy wife and I did, and we created the game Life of Blobb for the js13kgames competition. The participation has proved very educational, especially because of the constraints: