How to Check Gmail and Hotmail Services Status?

I could not login to my Hotmail today. Is Hotmail down?
To check for Hotmail or other Microsoft Windows Live services status, use this link: https://status.live.com/

To check Gmail or other Google App service status:
http://www.google.com/appsstatus

How to restore the Package Explorer in Eclipse?

Click on Windows -> View -> Package Explorer to restore the Package Explorer view on Eclipse IDE.

Reinstall Guest Additions on Ubuntu Virtual Machine

Each time Ubuntu virtual machine running on Apple Mac OS/X host machine upgraded to new kernel or major upgrade, Oracle VM VirtualBox Guest Additions need to re-install. Also, it need to upgrade when Oracle VM VirtualBox upgrade to new version.

Windows 8 Preview on VirtualBox

Microsoft Windows 8 Consumer Preview or Enterprise Preview will run perfectly on VirtualBox virtual machine. However, after I installed VirtualBox Guest Additions, Microsoft Windows 8 Preview did not run correctly. I could not open my email client or desktop. So, I wiped out the virtual machine and start over without install Guest Addition.

Silverlight on Ubuntu

1. Using Firefox browser to download Moonlight plugin from http://go-mono.com/moonlight/ 
2. Following instruction to install the plugin and restart browser.
3. Go back to the web page running Silverlight for example http://www.pluralsight.com/training/players/PSODPlayer?author=dan-wahlin&name=webforms-01&mode=live&clip=0&course=aspdotnet-webforms4-intro to install Microsoft Media Pack by right-click on the Silverlight

How to show hidden files in Mac OS X

To show hidden files in Mac OS X:
1. Open terminal
2. Type the following command turn show hidden files:
defaults write com.apple.Finder AppleShowAllFiles true
3. Restart the Finder application by this command
killall Finder

To hide the hidden files, replace the 'true' value with 'false' in command at step 2 above

Upgrade Eclipse IDE and Android SDK

Today, a new version of Eclipse IDE and Android released. Eclipse released Eclipse Juno 4.2. It has a special package for mobile developer. Google released Android 4.1 SDK, codename Jelly Bean. I'm going update my MacBook Pro with these new software.

1. Downloaded Eclipse Juno 4.2 for Mobile Developers, 142 MB.
2. Extracted it to Downloads folder.
3. Removed existing Eclipse (Indigo) folder from Application.
4. Moved new Eclipse folder from Downloads to Application
5. Started Eclipse and re-install Android Development Tools (ADT)
6. On Eclipse Juno 4.2 IDE, select Windows -> Android SDK Manager to update Android SDK Tools to rev. 20 and downloaded Android 4.1 Jelly Bean
7. Create new AVD for Android 4.1 from AVD Manager
8. Re-tested old projects to make sure they ran as expected.