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Delete Answers If They Won't Help Anyone It's good to delete answers if they're no good. Just remember: if an answer may help others, besides the OP, it is usually a good thing to have around. … Just as you can (and should) delete unworthy answers when you find them to be unworthy, you can also undelete worthy answers if you find you've deleted something that you think ought to exist. …

I only delete an answer I've posted if I think it has one or more of the following problems: Wrong, and I can't improve it to make it right. Dangerously misleading, and I can't improve it to fix thi …

If you have something new to offer that answers the question and is not appropriate as an edit to another answer, then you are helping the community (and sometimes even the OP) by posting it as a new answer …

If most or all answers to a question are out of date, and you don't want to comment on the answers, you can comment on the question. … The authors of the answers won't be notified, but people who come upon the question will be able to consider it, and may contribute to bring it up to date. …

If you're not copying any part of your source (that is, not verbatim, but also not even in modified form), then a citation is unlikely to be required by copyright law. But you should still have it. E …

Some good questions get answered in minutes, while other good questions remain unanswered for years. Therefore, if it's important you get an answer quickly and there are other resources (outside the …

the filetype of a file, that involves chmoding something to 777, even if that thing is pretty unimportant, might still warrant a "warning banner" if somehow it was accepted or got more votes than other answers … On the other hand, if the problematic answer had 40 votes and all the other answers were new, editing in a warning banner would probably be okay. …

Votes tell us what people on the site thought of as good answers. Lower-voted answers are still usually valuable. … Roll back or improve edits that incorporate information directly from other answers--even answers to the same question--without citing or mentioning the source in any way. …

Lots of bad answers suffer from problems 1 and 2. And 3 is pretty subjective. …

So long as there's good reason to think the post is improved by the edit, even if it's only improved a little bit, then the edit makes sense. However, if you don't yet have enough reputation - so you …

Yes, you can edit answers to your own questions. You should keep in mind the same considerations that apply to editing in general: The edit should be reasonably scoped to the answer. …

Other people can improve it as necessary. As Marco Ceppi says, you can remove it if it stops being useful... but usually, it can be edited (by someone) to keep it helpful. For an answer that had to …

Ever since accept rate is not shown and it is no longer considered good practice to generically advise people to accept more answers, many problems associated with wrongly accepted answers have become … The order answers appear when you sort "by votes" is supposed to be an order of curation. Its purpose is to show you what people other than the people who wrote the answers thought of them. …

If you're looking for criteria for accepting answers suggested in official resources, there's What should I do when someone answers my question? … In the default ordering of posts, the answer you accept will be shown above other answers, even if the other answers have a higher score. …

There is nothing special about newly posted answers to questions about releases that have reached end of life (or end of standard support). … The goal of the site is to build a library of answers to questions about Ubuntu. A question that describes a problem on a particular release is not necessarily exclusive to that release. …