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Timeline for Using code from Wikipedia

Current License: CC BY-SA 4.0

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Sep 6, 2019 at 14:48 comment added grin Similar is not the same. Here around the judge would ask the professionals whether the similarity is due to the way implementation have to be or it doesn't need to be that similar therefore it was a process of copying. Like if you use a different programming language it cannot be copying, and it's really hard to interpret as a "derivative work" if you look only at the code and not the algorithm.
Sep 6, 2019 at 7:56 comment added joz But after looking at the code, will mine not automatically be similar?
Sep 4, 2019 at 8:49 comment added grin The general problem I have experienced was that CC and other licenses were not compatible, so it was pretty hard to incorporate foreign license in a differently licensed codebase. Also it may be suboptimal to separately release integral parts of a large product (like you mentioned the QuickSort example). But Wikipedia most often contains the algorithm and not the specific code.
Sep 4, 2019 at 8:46 comment added Brandin Even if you use the code verbatim in a commercial product, you could most likely still comply with the CC ShareAlike provisions, depending on how you do it. But without more details from the OP it is hard to give specific advice for this.
Sep 4, 2019 at 8:18 history answered grin CC BY-SA 4.0