Knowledge for the World

mac

As a website designer, I work with a lot of files -- and a lot of file types. Nothing's worse than wasting time trying to fix a problem caused by an overseen missing file extension.

iOS 7 is a major interface upgrade for the iPhone and iPad. Apple CEO Tim Cook described the update as being "the biggest change to the iPhone since 2007".

This guide explains how to securely empty your Mac's trash can. This function overwrites the old data on your hard drive with a bunch of 0s, making it harder to recover.

When you take screenshots of applications in Mac OS X, the system automatically adds a dropshadow. This looks great but may not be ideal for every use (for example, when building a how-to site).

While we were building howchoo we realized that our Macs wouldn't recognize the word. This led us to search for a way to add the term "howchoo" to our Macs' dictionaries. Here's how you do it.