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.
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: