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Website field in comment form in many cases doesn't have any purpose. Spammers often use it for posting their links and unfortunately WordPress doesn't have option for disabling the URL field.    

If you need to develop and test application on Eclipse for Android v4.x you could encounter a problem with virtual machine starting followed with some of messages below:

Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder.

or

ERROR: This AVD's configuration is missing a kernel file

It means that you do not have installed Android v4 system image.

After upgrading Eclipse Helios to Indigo described in our article here, Android development platform should be upgraded, too. Otherwise, and error message will appear informing you that Android platform version is not valid.

There are two options for upgrading Eclipse Helios to Eclipse Indigo: direct upgrading and fresh install.

Option #1 - Direct upgrading

1) Click Help > Check for Updates

2) Window > Preferences > Install/Update > Available Software Sites

3) Click 'Add'

4) Enter http://download.eclipse.org/releases/indigo

5) Click 'Ok'

What are orphaned users in SQL Server

Sometimes after restoring a database it is possible that there is no login id or password associated with the user. This is true even if there is a login id that matches the user, since there is a GUID (called a SID in Microsoft-speak) that has to match as well. These users are called orphan users.

When you restore a Microsoft SQL Server database on a different machine, you cannot access the database until you fix the permissions.