Code Project is a community for computer programmers with articles on different topics and programming languages such as web development, software development, C++, Java, and other topics. Not a lot of recruiters try to source there. The reason is simple they do not know how. Well to do this without worry you need go no further than into your bag of tricks and pull out an old tried and true tool, a simple search with some extras 

So to source within Codeproject  you simply need to use a skill known as xraying, like the one below. 

site:codeproject.com/script/Membership java 

If you run the strings above in google you will get the results below.

Now once you have your results you need to simply open the page and there you go

If you need more info on X-raying see my blog post http://www.recruitingblogs.com/profiles/blogs/seeing-what-is-really...

Next time we will look at Daniweb