Learn all the shortcuts you'll ever need for every Mac application with CheatSheet.
Keyboard shortcuts have a way of making your life easier. CheatSheet wants to teach you every OS X shortcut possible.
Building large-scale applications requires a great deal of technical prowess. This Scalability & High Availability reference card should help provide some ideas.
Follow the excellent instructions from OpenDNS
Don't use Web site names to test whether you can trust Web site names. Use the actual IP address instead.
The Elgato HD HomeRun Dual is a decent way to get over-the-air TV on your PC, but its high bandwidth requirements mean you're better off opting for wired rather than Wi-Fi streaming.
How can someone, particularly a non-technical computer user, ensure that their computer is configured to use OpenDNS? It's easy.
What you need to know about the latest DNS flaw