This is not a typical blog, but rather a collection of posts forming series of notebooks. Instead of browsing in chronological order, a better way to explore this site is to start from categories or from pages.

To the extent possible under law,
Paweł Szczęsny
has waived all copyright and related or neighboring rights to
all original content on this site.
Given the blog is written from Poland, I cannot waive all copyrights anyway (it's illegal in here). So, while from legal point of view it's still CC-BY, I won't hunt anybody for lack of attribution. Treat it as it were in public domain.
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From CC-BY to CC-Zero
14, Jan 2011I’ve never been satisfied with “attribution” part of Creative Commons licenses and obviously I’m not alone in this camp. The main issue is that while CC terms require attribution in the manner required by author, parties resharing the creative work rarely check these requirements. Frequently authors of images posted to Flickr complain that some high [...]