What does stack overflow at line 43 mean

I don't recall off the top of my head exactly how that works. Anyway, I think PolyGeo's answer is on point in the general case, I just figured I'd mention this possibility. Adam that is correct, we do see a banner "this post has been edited, your edit will be submitted only if more substantial than other edit" or something like that.

Pretty sure there's no merge mechanism in place. Yeah, Sha and I were editing around the same time. Once I noticed I just stopped and moved on to other things. Not an edit war. Add a comment. Active Oldest Votes. Other answers here are correct, I just want to clear a confusion caused here. That's what happened: I pressed the "edit" link and started editing. While I was editing, ale pressed the "edit" link and started editing.

Note he was editing the original post. I submitted my edit, where "SO" became "Stack Overflow", and other changes. My edit was essentially lost. The similar parts are just coincidence, parts we both edited the same. Improve this answer.

With these events we were able to capture many different attributes; tags, question answer or comment, code block or plain text, copier reputation and post score, region, and if the post was accepted or not. We pretty much captured everything except the actual text being copied. We collected data for two full weeks, from March 26th to April 9th The following analysis is based on the behavior during that time. Ben already mentioned some of the high-level stats that quickly proved what people had long joked about: everyone is copying from Stack Overflow.

We also quickly realized that the overall copy behavior closely followed what we already knew about our site traffic. Most copies occurred during the work week and during working hours. Things started to become more interesting when we asked more detailed questions about who was copying and what they were copying.

We can see that the majority of copies are coming from users with 0 reputation. These are our anonymous users because you immediately get 1 rep by creating an account. It is possible that some of these copies are from users with an account but are not logged in. Unfortunately, there is not a way for us to test this theory. By looking at Count of Copies Per User instead of Total Copies , we can see the average number of copies a user makes by their reputation.

When looking at this visualization, it appears that as Reputation increases, the Count of Copies Per User decreases. This relationship is present but is not very strong, so I am not confident in saying either higher or lower reputation users copy more. Developers who are learning often have a lower reputation and are looking for things that can accelerate their learning and get them started quickly.

As developers build their expertise, they also build their reputation, and they focus on more precise challenges, things that may not be possible to copy from Stack Overflow. When we think of an accepted answer, we may think it is the best one, and infer it is copied much more than non-accepted answers. Looking at the data, however, we find But on average, accepted answers get seven copies per unique post while non-accepted answers get five copies per unique post.

So more copies come from non-accepted answers, but there is higher knowledge reuse from accepted answers. At Stack Overflow, we define knowledge reuse as reusing what others have already learned, created, and proved. It is worth noting that a question may not even have an accepted answer. Take this answer : it has almost 4, up-votes and was copied 7, unique times during our study, but is not accepted.

Actually, none of the answers have been accepted. It could be because the question poster has not been seen since , but also many of the other answers are valid. So if accepted answers are not copied more, then answers with a higher score answers must be copied more, right? We see for Answers it seems to be pretty evenly split across our defined score groupings from 1 to As for questions, the majority of copies are from posts with points.

I suspect that is because users are copying the question to reproduce it and eventually post an answer. Similar to when looking at user reputation, the majority of posts on the site have a lower score. This makes sense because as a post increases in score it is more likely that the knowledge is being reused by our community.

But what about those blue dots with a negative score? Why would anyone copy down-voted answers? Well, we never want to judge a book by its cover. Take a look at this answer. It was our most copied down-voted answer with a score of -2 and a total of copies.

Looking closer, it appears to be a more concise version of the accepted answer above it that has a score of 29 and had a total of copies. Now for the question I was most excited to answer: what tags are being copied the most?

Unfortunately, due to the scale of the data and available resources, I was unable to parse out nested tags. For example, the html tag will not include posts within the html css tag grouping. Not to my surprise, the tags receiving the most copies are some of the most popular and active tags on Stack Overflow. The one thing that jumped out to me is python appears in four of the top tag groupings.

Three of them are data analytics specific tag groups; python pandas , python pandas dataframe and python matplotlib. As a data nerd myself I love to see more people learning these tools. In addition to looking at the tags with the most copies, I wanted to see what tags have the highest copies per post. Filtering for tags with at least ten unique posts, we can plainly see as tags become more specific, they receive more Copies Per Post. Now to answer the question I am sure many of you are interested in.

What post received the most copies? With a post score of 3, and 11, copies, I am happy to announce that How to iterate over rows in a DataFrame in Pandas received the most copies. Answered in , this question continues to help thousands of people each week.

As for the most copied answer with plain text, we have TypeError: this. And the most copied question with a post score of 2, and 3, copies, we have How to create an HTML button that acts like a link? New posts. Search forums. Log in. Sign up. Computer problem? Tech Support Guy is completely free -- paid for by advertisers and donations. Click here to join today! JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

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