Questions tagged [support]

A request for assistance with one of the site's features.

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15
votes
1answer
962 views

Copyright and proof

When answering this question, I give a link to a Google Books excerpt, where one can find almost exactly the function the OP is looking for. As it's only an excerpt, I guess it's fine to give the link....
15
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0answers
186 views

Cannot start a bounty on old problem?

I was trying to put a bounty on this old question of mine. I know there are some circumstances where bounties of certain amounts cannot be placed, see here, but this does not seem to be one of those ...
15
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0answers
168 views

Cancelling an edit [duplicate]

I just edited a question, but apparently someone else edited and submitted and edit whilst I was doing mine and that was accepted and, in all fairness, it looks better than my edit. Is it possible for ...
14
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4answers
368 views

How can I write backslash in MathJax?

I want to write following in MathJax: L(A)\L(B) When I type following: $L(A)\ L(B)$ It prints: $L(A)\ L(B)$ When I type ...
14
votes
3answers
58k views

How can I type the “isomorphic”,“not equal” and “the set of integers , rationals and reals” symbol? [duplicate]

How can I type the "isomorphic","not equal" and "the set of integers , rationals and reals" symbol ? What is the code ? $=$ means equal, how to write "not equal" What about real numbers, ...
14
votes
1answer
373 views

Is it ok to use our MSE peers as search engines?

I am from Brazil, this means that my vocabulary for english is very poor, in relation to my vocabulary in portuguese - which is my native languange. Sometimes when I ask stuff, I try to search some ...
14
votes
1answer
678 views

Can I ask the same question twice?

I asked a question but since it was very long, nobody answered me. I'm wondering if I should ask it again as a new question again (Of course I will make it much simpler than before) or should I just ...
14
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2answers
378 views

How do you cite a reference in a comment?

If I want to quote a reference in an answer on this site, I use the syntax [Here][1] followed at the end of the answer by ...
14
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1answer
787 views

So how do I log out now?

First, I should mention that I'm very old. As in I was taught that $1$ is a prime number. So I get annoyed when things change, even if it's for the better. So now (October 9, 2017, if I recall ...
14
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1answer
357 views

Users making edits by putting displaystyle or other inappropriate scaling in the title

I have noticed there are a few users who consistently use inappropriate scaling in their post titles and edits they make, and not all of these users are new. I have edited those posts previously, and ...
14
votes
1answer
371 views

Where did my avatar go?! :(

Recently on mathSE, my auto-generated avatar (gravatar) was changed. What is the reason for this? Can I get my old avatar back?! I liked it better. Edit 1: It looks like my avatar has changed in my ...
14
votes
2answers
456 views

Can I know where I lost my reputation?

Yesterday I had a $-10$ reputation due to User Was Removed. Can I know which user was removed and in which answer I lost my reputation? Thanks for any reputation.
14
votes
1answer
266 views

Is there a way to disable the new tag popups that show up if we hover over a tag?

Is there a way to disable the new tag popups that show up if we hover over a tag? I have absolutely no use for them, and they are very distracting. PS: I'd love to know why I got a captcha when ...
14
votes
1answer
284 views

Can the notifications of new activity on the main page be turned off?

When there's new activity on the site, I'm notified about it by the system on the main page. It wasn't there before and I liked it better. Can I turn it off somehow? It startles me and I don't see how ...
14
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0answers
268 views

How to find old deleted posts of my own?

I recently noted that one of my questions on meta.MSE has been deleted. Seems like it has been a victim of the auto-deletion script. I usually keep improving the English my old posts. The same issue ...
13
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3answers
11k views

How to deal with long formula?

How to show a formula too long to fit in a line? For example: $$ P(Y-X=m | Y > X) = \sum_{k} P(Y-X=m, X=k | Y > X) = \sum_{k} P(Y-X=m | X=k, Y > X) P(X=k | Y > X) = \sum_{k} P(Y-k=m | Y ...
13
votes
1answer
530 views

How can I write roman numbers in MathJax?

I need to write roman numbers in MathJax. I've tried almost every way. But, then I decided to copy the symbol itself. But it looks very ugly. For example, $$\displaystyle \mathcal {D}^{{\left(II \...
13
votes
1answer
385 views

Is “recommend close” the same as casting a close vote?

I am relatively new to the website and just passed 2k reputation. This has opened up more options for reviewing posts, particularly, the "low quality posts." I've noticed that sometimes the option ...
13
votes
2answers
250 views

Is it okay to “edit” questions just to look at the MathJax?

I'm pretty new to MathJax, and one way I've been trying to learn is to click on "edit" for posts that use features I would like to learn. Then I just click "cancel." The last time I did this, I got ...
13
votes
2answers
865 views

How much research is considered as sufficient prior research before asking a question?

This question is an generalized version of my previous question on meta: https://math.meta.stackexchange.com/q/13745/103816 For me there are two types of questions, 1. Conceptual, 2. Problem ...
13
votes
2answers
470 views

How/why did community delete a question? And how to prevent it?

I just realized that a question of mine was deleted by community. In contrast to this meta-question there were neither downvotes nor am I deleted. Since this happened around one year after I posted ...
13
votes
1answer
415 views

Should I avoid minor edit of a question which was put on hold?

One of the reasons why a question can be put on hold is that it does not fulfill standards of the site. The OP is expected to improve the question. Review queue is here to help re-opening questions ...
13
votes
1answer
291 views

Finding protected questions

How do I find the list of protected questions? I've seen a couple of protected questions for which I could not see a reason for protection and I'd like to find more.
13
votes
1answer
413 views

What happens if my OpenID provider goes out of business?

Question: I tried to log-in with my OpenID provider, the log-in screen says: "Unable to log in with your OpenID provider: No OpenID endpoint found." And indeed, it appears my OpenID provider is no ...
13
votes
1answer
516 views

How do you find out who favorited a question?

Everyone can see how many favorites a particular question has. And everyone can go to a specific user's profile to see what questions he or she favorited. But I see no way to find out who favorited ...
13
votes
2answers
405 views

Trapped in the code: spacing and punctuation next to dollar signs prevents ending paragraphs and environments

Here is a weird bug (or unexpected feature) in the MarkDown engines, probably tex related. ...
13
votes
2answers
397 views

Is there a way to make a section of a post “collapsible”?

You know how some webpages will have a section that looks like > 'heading'; and when you click on it, it expands into a wall of text? Is there a way to include one of those in post? There are times ...
13
votes
1answer
310 views

Warning appeared when I ask a question, but I have a good history.

I just tried to ask a question and was presented with this warning: It threatens to bar me from the site. If I was consistently ignoring the rules or being rude then fair play, but I've asked a few ...
13
votes
1answer
258 views

How to fix the protruding lines in a MathJax table?

$$ \begin{array}{|c|c|c|} \hline &A&B\\ \hline X&1&2\\ \hline Y&3&4\\ \hline \end{array} $$ Code: ...
13
votes
1answer
181 views

How can I save blog posts?

After hearing from various places that per-site blogs are probably going to be closed, I considered saving locally in my computer some (or all) blog posts. Of course, I can save them simply as HTML ...
13
votes
1answer
166 views

The warning for the blacklisted tag (homework) should be updated

At the moment, when you try to enter homework tag into a question you receive a message containing the text: The 'homework' tag is not allowed. Please do not use the 'homework' tag, it's ...
13
votes
1answer
359 views

What to do with duplicates of deleted questions?

There are 109 questions that are closed as duplicates of deleted posts. This SEDE query lists all such posts. Can we do something about these posts? One question is on its way to be Roomba'd and some ...
13
votes
1answer
136 views

Promotional material

I attend several conferences per year, and most of them there are people to whom it would be useful to communicate the existence of math.SE. Does SE produce some kind of promotional material? The one ...
13
votes
0answers
189 views

Unavailability of features in App

Why don't we have a large section of the features available in the Android App of MathSE? You cannot delete your own answer, review posts, see most of your posts except the top Q's and A's and much ...
13
votes
0answers
238 views

More shortcuts while editing! Wanted: \$(\$) enter math here \$(\$)-Shortcut

By chance I realized that there are shortcuts in the Question/Answer fields. To my disappointment some useful ones are missing: ctrl+$X_1$ $ enter math here $ ...
13
votes
1answer
319 views

On the new profile page interface

I already wasn't too keen about the new profile interface when I saw it being tested out on meta.SO, and I was hoping it wouldn't have to be rolled out to here. Alas, that was not to be, for now it is ...
12
votes
3answers
764 views

How do I learn about markup?

So everyone knows that math.stackexchange supports Tex tags, but what other tags are supported? Is there any info out there the markup supported on stackexchange sites? In particular, I was looking ...
12
votes
1answer
738 views

How to get back my hard-earned tag badges

I have experienced a weird problem here. My profile on main is SubarshaB. I had earned many badges notably the rare ones like linear-algebra, real-analysis, abstract-algebra. Today I found all my ...
12
votes
1answer
6k views

How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
12
votes
1answer
618 views

Which are blacklisted tags and blacklisted phrases?

There are many tags which are blacklisted. And so are some strings/words/phrases in the title. Is it possible to have a list of them publicly available somewhere? As I was told by a moderator in ...
12
votes
2answers
1k views

Is there a way to display triangular tables of numbers in MathJaX?

Is there a way with MathJaX (on math.stackexchange.com) of displaying, say, Pascal's Triangle or some similar triangular stack of numbers, such as the Stirling Numbers of the First Kind, without ...
12
votes
1answer
424 views

How was this question deleted?

I'm aware that sometimes a user will delete their question as soon as they get a useful answer, to hide their tracks. Sometimes I spend time contributing an answer, and it bothers me when my work is ...
12
votes
1answer
162 views

“Big” TeX won't get hidden by `!>`?

I just posted an answer here but I am finding it impossible for >! to work with the \begin{align} environment. How can this ...
12
votes
1answer
326 views

Typing on Ipad and Ipad app.

Sometimes I have to use a Ipad to answer some question and it is really a battle. Maybe it is just some need of practice, but if I would, for example, take five minutes to answer a question with a ...
12
votes
1answer
716 views

Mathjax 2.3 beta

UPDATE: Mathjax 2.3 is now live We have deployed the latest Mathjax 2.3 beta on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will be ...
12
votes
1answer
209 views

Choice of the question in the tour

In the tour an example question (and example answers) are shown. Ideally, that should be an example what is considered by the most of MSE community as a good question. The question which is ...
12
votes
1answer
483 views

What happens when the “move comments discussion to chat” link is used?

When clicking on the "move comments discussion to chat?" link (under an answer), what actions are triggered : (a) if the click is by the poster of the answer (b) if the click is by a commenter in ...
12
votes
1answer
1k views

Mathjax 2.1 beta

The next build will enable Mathjax 2.1 officially. Thanks for your help and feedback! We will be deploying the latest Mathjax 2.1 beta soon. As with any beta release please post an answer to this ...
12
votes
0answers
144 views

Types where Comments are allowed (or not) in Review Audits

My recently failed review audit got me to wondering which review audit types allow commenting and which don't allow them but advise you of this. If you do a volume of reviews, you've probably seen ...
12
votes
0answers
153 views

Two of my answers from June both got accepted within one minute — coincidence?

I am not sure if this is a spooky coincidence or a bug, but I am intrigued as to what caused this! I have been away for a week and came back today to +30 rep, coming from two answers which were both ...

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