iChat: Use Video Special Effects and Backdrops
Since the 4.0 version of iChat that shipped with Leopard OS X, users have had the ability to do real time special effects while participating in a video chat. This tech-recipes tutorial will walk you through how to use these new video effects and backgrounds.
Android ICS: Inverted Mode
Android Ice Cream Sandwich contains the ability to switch the screen to an inverted mode where colors are displayed as their opposite. Thus, a typical webpage that is displayed as black text on a white background will be displayed as white text on a black background instead. This tutorial describes how to use inverted mode and the potential benefits.
PowerPoint: Create a Photo Album
You can use PowerPoint to create a photo album to display your photographs and pictures. PowerPoint makes it easy for you to insert pictures and customize them by applying themes and using special layout options. You can also change the appearance of a picture in the photo album by adjusting rotation, contrast, and brightness.
As powerful as PowerPoint is, many people do not realize what a great tool it is for creating photo albums. These step-by-step directions walks through the creation process. These directions have been tested in PowerPoint 2007 and 2010.
Understanding Solaris Runtime Control Scripts
Runtime control scripts are responsible for starting and stopping services when the system changes run levels such as during boot and shutdown. These scripts reside in the rc#.d directories where the # sign is replaced by the run level, such as rc2.d, rc3.d, and rc0.d.
Android ICS: How to Setup Face Unlock
Android 4.0 Ice Cream Sandwich brings the new Face Unlock feature to devices that support it. Face Unlock allows you to unlock your Android phone or tablet by having the front camera verify that it is you. This is very useful if you do not want to be bothered with a passcode or pattern but still want some security.
Set UNIX File Access Permissions with chmod
UNIX operating systems enforce strict access control of files based on the owner, a group, and everyone else. This tech-recipe describes the techniques for setting these access controls with chmod.
UNIX: Advanced Octal File Permissions with chmod
The chmod command in various UNIX flavors such as Solaris, Linux, Mac OSX, and others, allows the access controls of a file or directory to be set. This tech-recipe describes the more complex octal chmod syntax.
OS X: Flush or Clear the DNS Cache
The command used to flush the DNS cache changed in OS X 10.5 Leopard and later versions. The new command is just as easy to run, if not to remember. This article has been updated for all current versions of Mac OS X.
Customizing Date and Time in Windows 7 and Vista
