If any file can not be deleted, then you can use the program LockHunter, which removes the active connections of other applications to that file, which allow you to change or delete file.
Kevin is a very resourceful 15-year young boy from Sierra Leone, who make electronic devices by himself using spare parts from trash. His skills were also noticed by the famous MIT, watch his inspiring story.
There is quite a fair amount of full length Hollywood movies on YouTube, so we decided to create a nice clean list with short descriptions and links. You are more than welcome to contribute.
You are trying to install or open an app that didn't come from the Mac App Store but you got a message saying App can't be opened because it is from an unidentified developer. This is how you bypass it.
An interesting video where a guy explaining why he believes that we have landed on the moon and tells also about waving flag, shadows and everything else.
With the new version of Photoshop, you also get a new cropping tool called Perspective Crop Tool which will change the perspective on a image. Check it out, it really is a cool tool.