Most of the annotations popping up while you are watching YouTube videos are really annoying, but there is a really simple on-click way to get rid of them.
If you are afraid your friends, kids or any other person you are borrowing your iPad to, might delete an app by mistake or even intentionally, you can enable restrictions on individual all of the apps.
Google Spreadsheets supports cell formulas typically found in most desktop spreadsheet packages. In this lesson we will calculate the numbers of empty cells in a Spreadsheet.
Pretty useful trick in Adobe Photoshop, where we will change the setting for showing dimensions in pixels instead of centimetres while making selections.
