For $x\in(0,1)$, put $$f(x):=\sum_{n=0}^{\infty}(-1)^{n}x^{2^{n}}.$$ This function possesses interesting properties. It grows monotonically from $0$ up to certain point. Then it starts to oscillate around the value $1/2$ on a left neighborhood of $1$, see Figure 1. So there is at least a numer...

Your question is pretty broad and difficult to answer, especially when you note this: I am quite unsure what should I be looking for. But still I want some standard / reliable / cost-effective solution It doesn't aim on directly solving particular problem (e.g. you found out how to transfer...

I changed feature-request to support in this question, but can't submit my edit. Why? Edit: it happens again with this question. I am trying just to add ios-app, but it says that "Edits must be at least 6 chars". That's certainly a bug. Earlier today I submitted a retagging edit successfully.

I'm referring to this question in particular, where the question was clearly not of the best quality, but my answer to it addressed the issues with it. Is it okay to downvote an answer just because a question is bad, even if the answer addresses the issues with the question?

If I hide my communities, can they not be hidden for me? It can be just applied the same background which is applied to deleted answers. Also, an ability to (un)hide directly from the accounts section is great. Like in this snippet: $(".hide").click(function(){ if($(this).text()!="unh...

It's possible using the \A escape sequence in the psuedo-element generated content. Read more in the CSS2 spec. #restart:before { content: '\A'; } You may also need to add white-space:pre; to #restart. note: \A denotes the end of a line.