Mike Comstock questions

• Do non-clustered indexes slow down inserts?
• What is the best way to cast each item in a LINQ to Entities query to an interface?
• How do I close an OracleConnection in .NET
• Where should I store a reference to my DI container?
• How to determine total size of ASP.Net cache?
• How do nullable types work in C#?
• What is the difference between httpCompression and urlCompression?
• Can I make Visual Studio place curly braces on the same line as an if statement (in HTML)?

Mike Comstock answers