Zev Chonoles
  • Member for 11 years, 6 months
  • Last seen more than a month ago
How to draw a commutative diagram?
39 votes

It is possible to do (somewhat primitive) commutative diagrams using \array: $$\begin{array}{ccccccccc} 0 & \xrightarrow{i} & A & \xrightarrow{f} & B & \xrightarrow{q} & C &...

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Are deleted comments destroyed?
10 votes

There is a dialog that moderators can open to reveal all of the comments on a thread, whether they are deleted or not, along with other information about the comments (who deleted the comment if it is ...

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Highlight part of a math expression
Accepted answer
11 votes

That does not compile under LaTeX. This compiles under LaTeX: \documentclass{article} \usepackage{amsmath,color,relsize} \begin{document} \(\left.x\right|_{x\gets\colorbox{yellow}{\(\mathsmaller{+2+h}...

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Are typesetting questions allowed on the main math site?
5 votes

There are two meanings of "how to format mathematical text": it could mean "How do I tell LaTeX to do what I want?" (e.g., what packages exist for X) it could mean "How should I decide what I want?" (...

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Bug: answer posted after closing the question.
Accepted answer
4 votes

I think it might be intended behavior. I remembered that there was a similar occurrence on MO; this meta.SO post is where Andrew Stacey filed the resulting bug report. Apparently the resolution was ...

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how much LaTeX is enough or too much
4 votes

That's a good question. I suppose I am spoiled by my almost always viewing the site on a PC :) There is certainly a balancing act between a clean, consistent look for the site the need for $\LaTeX$ ...

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Edited posts after 2,000 reputation
Accepted answer
18 votes

Now that you've reached 2000 reputation, your edits are no longer reviewed by others - you submit your edits and they go through immediately. Lots of people would game the system if there were an ...

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Spurious indentation in preformatted code
2 votes

This is the same issue as occurred in a previous meta question. It would be annoying to implement in general, but one approach to overcoming this is to use the <pre> tag and replace the dollar ...

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Multiple Alignment in MathJax
5 votes

This is pretty hack-ish, but $$\newcommand{\myeq}{\!\!=\!\!} \begin{array}{ccccccccc} A & \myeq & B \\ & & B & \myeq & C ...

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upside down question mark and question mark in Tex or MathJax
5 votes

A general approach is via the \unicode command (see here in the MathJax documentation). Google informs me that the Unicode number for the upside-down question mark is 191, and indeed, $\unicode{191}$ ...

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Downvotes and the maximum daily reputation
Accepted answer
13 votes

If you mean "should" in the sense of "the system is designed to operate that way", then yes, the order of votes matters. This is similar to how downvotes and upvotes don't commute for new users, since ...

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Mathjax/markdown issue
12 votes

The commands \lbrack and \rbrack are macros that produce [ and ] respectively, and MathJax has no problem when you use them instead of the symbols - see the comment below, which was produced by For ...

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How to fix a reason for a post deletion?
Accepted answer
5 votes

Perhaps you are thinking that, in analogy to "closure reasons", there are also "deletion reasons". However, this is not the case - nothing in the Stack Exchange software asks for any reason to be ...

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Community Promotion Ads - 2013
4 votes

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Delete content with a middle line.
6 votes

This is just the <strike> HTML tag. For example, <strike> text </strike> produces text . Note that this only works in questions and answers, not comments.

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What is the definition of an active member?
Accepted answer
10 votes

The phrase "Active member for a year" is irrelevant to the implementation of the badge, and just describes the general idea of what the badge is supposed to be rewarding. The other part about "earning ...

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Does vote(up/down) in MSEmeta affect reputation in MSE or the converse.
Accepted answer
7 votes

Voting on meta.math.SE does not affect reputation anywhere. (However, the badges you gain on meta.math.SE are separate from your badges on math.SE.) Your meta.math.SE reputation is a copy of your ...

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Description of tag badges.
Accepted answer
6 votes

Go to the "Tags" section of your profile. Put your cursor over each number to see your activity within that tag. All badge descriptions are available on the tab that says "Badges" at the top ...

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A feature request:Blocking the removal of a comment which was already quoted
17 votes

Difficult to decide when a comment should be considered as quoting another comment. Not an expected behavior - we'd get endless meta threads "Why can't I delete my comment?" Too easy to abuse (one ...

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What should I do when I'm wondering if there's another outage that should be reported?
14 votes

I posit that a public report of any problem about a website should give a precise description of the problem you're having, ideally using both words and pictures give information about the OS and ...

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What's wrong with this question?
12 votes

It originally contained the single statement Classify (up to ring isomorphism) all semisimple rings of order 720. A valid reason to downvote (hover over the downvote button to see) is that This ...

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On the reception of "Real World Application" questions
4 votes

The fact that many others have shared an opinion makes it no less valid or appropriate to express (is yours a tired, unoriginal opinion also?). If someone asks a question in a manner that suggests ...

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How do we get a blog?
8 votes

From the Stack Exchange blog post about the community blog initiative: So how does my site get a community blog? Starting a blog is easy. Keeping up a blog, contributing to it regularly is difficult....

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How to find the recently deleted questions in some section?
Accepted answer
7 votes

I don't think there's any built-in way, because self-deletions are not listed in the "recently deleted" section of either the 10k+ or the moderator tools. However, by googling things like "math stack ...

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Why are mathematical questions being asked on meta?
20 votes

I think that the primary (only?) cause is that the styling of the main site and meta site are not sufficiently distinctive for people unfamiliar with the Stack Exchange network. In contrast, ...

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Guidelines for good use of MathJax in question titles
12 votes

Markdown doesn't work in titles, so occasionally people will use MathJax as an approximation. $quod\;erat\;demonstrandum$             &...

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What is the accepted notation for natural logarithms, trig functions and powers?
13 votes

Write anything that you think is clear and understandable. Amendment by Lord_Farin: When you feel your notation may be less than universally understood (given the tags on the question etc.) cq. ...

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LaTeX does not render on a user page after navigating using page numbers or changing the sort criterion
Accepted answer
1 votes

I'm posting an answer just to indicate that this issue has now been resolved.

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Having to log in to see the Hot | Week | Month
3 votes

I agree; I don't see any reason why people who are not logged-in users shouldn't be able to look at the Hot, Week, and Month tabs. Oh well. Maybe the SE team did it to simplify the appearance for ...

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How can I get to the place where I can vote?
3 votes

Each candidate has upvote/downvote arrows next to their post on the primary page; that is how one votes in the primary. It is currently impossible to vote in the actual election because it has not ...

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