They always seem to title their results, with EXACTLY what you are looking for.

When you click on it, you’re told that to view the solution, you need to sign up. Which costs money…
Sure, there is a free trial available… but who really wants that?

Well… the answers are indeed, freely available.

This is a condition of appearing in Google search results.
However, a slight black-hat trick is, that they’re not visible to Joe Public. Only to search engines…

You can fool the site into thinking you are a search engine, by simply copying the full experts-exchange URL from your browser, for example:

http://www.experts-exchange.com/Microsoft/Development/MS-SQL-Server/Q_22634999.html

And pasting that into the Google search box:

The first search result, will be a link to that URL, via Google.

Click that, and it will show you the answers! Nothing illegal, just exposing Experts Exchange black hat techniques