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29 votes

Opt out of the new upvote/downvote buttons?

There is a structural tendency for discussions of this type to underweight the voices of people who think that things are fine. I will therefore state explicitly that I do not care about the shapes ...
Neil Strickland's user avatar
17 votes
Accepted

Did spacing increase recently?

You're right, line spacing has been increased, as mentioned here on Meta Stack Exchange: New post formatting Many people don't like the change, and posts like Please revert the line-height change! and ...
Glorfindel's user avatar
  • 2,741
15 votes
Accepted

Is it possible to temporarily comment out part of a post?

You can hide the part in HTML comments: BEFORE <!-- this is something I want to hide --> AFTER produces: BEFORE AFTER Spoilers would be another option, ...
Glorfindel's user avatar
  • 2,741
14 votes

Viewing reputation and badges is now opt-in and compatible with the new front page

Maybe it might be useful to collect examples of some situations where it is actually useful to see the users reputation. (In the other words, some cases in which MO users might want to switch the ...
14 votes
Accepted

How to @ a user with non-Latin characters?

I am not sure about people using mobile devices, but on desktop using comment replies doesn't seem that different for users with non-Latin usernames. If I am in a comment where such user can be pinged,...
Martin Sleziak's user avatar
13 votes

Is it possible to temporarily comment out part of a post?

Since other answers mention HTML comments, let me clarify that using them is only a commonly employed custom on SE sites, which just abuses the fact that it works by accident. In reality, the ...
Emil Jeřábek's user avatar
12 votes
Accepted

The number of MO users

SEDE contains some data about users - so one should be able to find out at least some information. I have tried to create at least some queries - I hope that somebody with better knowledge of SQL ...
Martin Sleziak's user avatar
11 votes
Accepted

Can I see my flaggings?

You can simply go to your profile, go to the activity tab and click on "n helpful flags". (On the right side, grouped together with the stats such as "people reached", "votes ...
Martin Sleziak's user avatar
7 votes

Is it possible to temporarily comment out part of a post?

Since Stack Exchange allows also some limited use of html, you can use <!---...---> to make a "comment" inside ...
Martin Sleziak's user avatar
7 votes

Keyword Search of the User's own (my own) questions or answers

You can find various search modifiers in the help center. Or simply by clicking on "Advanced Search Tips" after you search for something. Specifically, to find posts by a specific user you can user <...
Martin Sleziak's user avatar
6 votes
Accepted

Mystery popup window

As Martin Sleziak correctly suggested, it turned out to be the cookie acceptance notification: an ad blocker forced it to close immediately.
მამუკა ჯიბლაძე's user avatar
5 votes
Accepted

Chatroom links disappeared

Since I posted my answer, the OP has clarified in a comment that the intended question was about the rooms shown in the sidebar. So what I originally posted was actually an answer to a different ...
Martin Sleziak's user avatar
4 votes
Accepted

Are users pingable from questions/answers?

I was not able to find some official documentation explicitly stating that @pings from posts do not work - the closest post I found was this: Can I ping any user I want to take a look at my question? ...
Martin Sleziak's user avatar
4 votes
Accepted

Is there an option to know when somebody (especially author of the post) does something after my comment?

Since a few months, The Follow Questions and Answers feature is now live across the Network, including MathOverflow. It does require you to click the 'follow' link underneath a post. After you have ...
Glorfindel's user avatar
  • 2,741
4 votes
Accepted

"Offline for maintenance" error message shows incorrect site name

I have just written a message to the Stack Exchange Team, and asked them to respond to this here. History has shown that this could take at least a few days.
Todd Trimble's user avatar
  • 52.6k
4 votes
Accepted

Main site changed look, but only in one device

It seems that you simply switched to mobile web by mistake. It is possible to switch between mobile version and full site, currently you can find the switch near the bottom of the page. In the ...
Martin Sleziak's user avatar
4 votes

Keyword Search of the User's own (my own) questions or answers

Here is how I do it. I click on my own little user icon at the top of the page and this puts my own userid into the search field where I can then add keywords I want to search for.
Gerald Edgar's user avatar
  • 40.6k
3 votes
Accepted

How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?

The way you are supposed to use alignment environments like aligned, cases, align, etc., is ...
Emil Jeřábek's user avatar
3 votes

Occasional "echoed" usernames in Firefox

Suggestions in the comments by David Roberts and The Amplitwist turned out to be correct. I switched out enhanced tracking protection, and that thing got replaced with a picture of the user. Still I ...
მამუკა ჯიბლაძე's user avatar
3 votes

Is it possible to temporarily comment out part of a post?

$$ ...
Bjørn Kjos-Hanssen's user avatar
3 votes

What is up with the "Question feed" vs. "Related Questions"?

As Martin points out in the comments, this issue has been marked resolved in the Meta SE question. And indeed, I do see related questions appearing even for new questions now. I believe the "...
Tim Campion's user avatar
  • 62.2k
3 votes

Any chance of a "save for later / TODO" feature?

The feature called "bookmarks" was recently completely overhauled by Stack Exchange and it is now called saves: Bookmarks have evolved into Saves Recent feature changes to Stack Exchange - ...
Martin Sleziak's user avatar
2 votes
Accepted

Why are there no dates on community wiki questions

Per the OP's request I am posting the link to the post on main meta about this issue: wiki questions don't show creation date. It is marked status-bydesign. But, to be honest, the explanation of ...
Martin Sleziak's user avatar
2 votes

How to logout from the site?

Right now (December 2018), the answer is: there is a striped "speech balloon" icon on the top right of the page, and clicking it will reveal a menu with a "log out" link. I imagine the answer to this ...
S. Carnahan's user avatar
  • 45.3k
2 votes
Accepted

Why is log-in hidden

I haven't managed to reproduce the effect you're describing. I'm not computer-savvy either, but this is what I see when I go to MathOverflow in a window where the history doesn't show I'm already ...
Todd Trimble's user avatar
  • 52.6k
1 vote

How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?

Try & and \phantom{0}: ...
fedja's user avatar
  • 60.6k
1 vote

Is it possible to temporarily comment out part of a post?

"posting something"... Do you mean a question or an answer? I occasionally to the following with my answers. "Delete" it, until I am ready, then "undelete" it. I have ...
Gerald Edgar's user avatar
  • 40.6k
1 vote

Where is the link to Meta from Mathoverflow?

It's cleverly hidden under the Stack Exchange logo drop-down on the right-hand side of the top bar (NOT the one on the left-hand side of the top bar): Alternately, you can just type "meta." in the ...
Shog9's user avatar
  • 101

Only top scored, non community-wiki answers of a minimum length are eligible