% License
© Copyright Sitaram Chamarty, sitaramc@gmail.com. This documentation is provided under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
However, of necessity, there are code examples within those documents. I believe that the principle of fair use should cover use of those snippets; see especially factors 3 and 4 in the list of factors here.
If you're not convinced that it would be fair use, then you may consider those code snippets, as well as associated "comments" if any, to be under the GPLv2 license.