Interesting notes about QR codes

Doing some research while building some stuff for our store and I stumbled upon a couple of different things you can do to "enhance" QR codes.

Image Overlay

You can overlay an image on your QR code directly. To make this work can take a bit of trial and error, but to make this work, build your QR code with the maximum amount of ECC (error correcting code). Then, just slap an image down over the QR code and you are good to go. Like this:

Fixing an HFS+ Disk That Will Not Mount

I was unboxing my 1st Gen Drobo today so that I could plug it into my Airport Extreme to share it on my network. I got a blinking amber light. So I plugged the Drobo into my Mac and I get this message in Console...

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Quick-n-Dirty Way to Get a WiFi Password on OS X

I saw this hint on how to get a list of the WiFi networks you have associated with. I'm one of those guys that uses Keychain Access to grab old passwords. This is way easier. I'm not sure what versions of OS X this will work on. Mountain Lion for sure, but probably 10.6 and up.

Just add this to your .bash_profile:

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