Let's design a stylish and transparent discount label you can then use for an online shop website, posters and similar media you want to advertise a discount on, using Photoshop.
The Popup Message behavior displays a JavaScript alert with the message you specify. In this lesson I will show you how to put an alert with a warning message on the website.
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.
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.
SQL is a standardized query language for requesting information from a database. You can verify your knowledge by trying to answer a few simple questions.
