MCS questions

• LINQ to SQL - DuplicateKeyException during update
• Does delegate chaining have to start with a null Delegate?
• How to include milliseconds in a DateTime user setting?
• sp_executesql returning different results than direct query
• How to defer data querying in Silverlight ViewModel class?
• xls to text converter
• How can I break out of recursive find function once a specific file is found?
• EF 4.1 Code Only?
• How to set initial caps in VIM?
• How to check website viewer's operating system?

MCS answers