Given the date it was published (June 2014), it seems that it was published and then later removed afterwards. This can be for different reasons, including a violation of the rules of engagement.
1) The author ( says in the blog: I know some of the code below I found browsing the web so I apologize in advance not for giving credit for it, I honestly forgot the blogs I used to built this. I know it was a mix of a few.
On that basis, I felt it couldn't be published.
2) It's not really blog-like
3) ABAP program listings (and large snippets) should be as attachments to blogs and documents. Once that has been done with this blog, there was little left. I put a comment on the blog for the author, saying "If the content doesn't already exist, you may repost in the wiki."
What the author could do (and I would encourage it) is reshape the programming listing so it's all his/her own work, publish it in the wiki, and then answer the thread with the updated link.
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