C# Tips and tricks

http://www.radsoftware.com.au/regexdesigner/ for free regexpression designer

Support Tools

http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=7887

SQL server tips and tricks

Index and index with include for easy lookup
scan for problem and reindex it
dbcc showcontig('reli.tblTests')
dbcc showcontig('reli.tblTestLogs')
dbcc dbreindex ('reli.tblTests')
dbcc dbreindex('reli.tblTestLogs')