OS X has a built in web server. For some users, especially web developers, it may come in rather handy. You can use it for locally hosting web sites (typically for development purposes), for running a local WebDAV server (which may, for instance, come in handy for local syncing of apps like OmniFocus). Here’s how to start and stop Apache on OS X.
If you’ve ever had a window end up with its titlebar above the top of the screen, you might know how tricky it is to move it. With the title bar hidden, it may seem impossible. Here’s a few easy solutions for repositioning rogue windows on OS X.
Skype on OS X (and on Windows, for that matter) does not provide a way to save video messages. From what I understand, you’ll need to pay for a pro version of Skype (according to what I’ve read in forums; it’s not something I’ve confirmed with Skype.com) for the ability to save video messages. That sounds ridiculous to me. There’s another way. I provide the simplest solution here.