Sorted:

How to allow a user of the class X to choose an implementation of the interface the class X is using?-Collection of common programming errors

Unable to change URL for .NET reference to dynamic web service-Collection of common programming errors

problem about google-apis-explorer-Collection of common programming errors

problem about internals-Collection of common programming errors

problem about data-conversion-Collection of common programming errors

Read and Write to App.Config file-Collection of common programming errors

How do I implement IDataServiceMetadataProvider and tell my Data Service to use that custom provider?-Collection of common programming errors

problem about ios-ui-automation-Collection of common programming errors

problem about downcasting-Collection of common programming errors

The method onCreate(bundle) is undefined for the object type-Collection of common programming errors