Did you know that by default LINQ to SQL defines your connection string in more than one place if you define your LINQ to SQL classes out from a web app, such as a data access layer class library?
" Each version of Microsoft Exchange Server has a different build number. The following table lists the build numbers and general release dates for each version. For information about Exchange Server 2007 build numbers, visit the following Microsoft Web site:"
W3Clove is a free to use web service which crawls any given website to generate the sitemap of it (or accepts sitemaps directly) and validates each URL through the W3C's validator.