Unresponsive iOS7 beta 2 touch screen

Since I installed iOS7 beta 2 version, my touch screen started to go unresponsive from time to time. After a couple hours of internet research this is what I found: iPhone unresponsiveness is mainly caused by notification messages being sent behind the lock screen. For example, when your battery reaches 20% you get a notification on your screen. There is a bug that may send those messages behind the lock screen giving you as a result an unresponsive screen – your iPhone is waiting for a response, but since you do not see the window because it is behind the lock screen, then you cannot respond… and well, you know.

How to create high definition images for the iPad Retina display

So you got a new iPad and realized your images do not look as good as they do on your computer, right? Don’t worry, there is a very simple way to achieve good looking images on this device: If you want to create a 500 x 500 px on a Retina display, create an image at 1000 x 1000 and then use CSS to control the image size down to 500 x 500:

How I made my HP LaserJet P1102w work with my iPad

I got an HP LaserJet P1102w about a year ago, so long before I thought I was going to get an Apple’s iOS device. I purchased it just because I thought it would be useful to have a printer that could work wirelessly. At that time I made it work using wireless, but for some reason it stopped working. I didn’t care because it was very simple to connect it via USB to my computer and get my stuff done.