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.
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.
Nature is everything around us, we are nature and we should be doing
everything in our power to preserve it. Now let's learn about nature in Italian language.
Lots of people think using a layer mask is only for the advanced Gimp users, fortunately this isn't the case at all. Let me explain you the basic usage of layer mask on a easy to follow step-by-step example.
We will learn two different ways how to download a page in PHP from a web URL, learn how to use cURL and how to set a few additional options and finally show contents on your page.
If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.
When you hear a word virus, you are usually thinking of tiny ugly creatures messing with your body and health, but wait until you see these gorgeous glass replicas of human viruses.
