Questions tagged [spoilers]

Spoiler is a text which is hidden until you move cursor above it. It might be useful when for separating full solution from a hint.

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0answers
76 views

Gray or yellow background for questions and answers using > and >!

Many times I have asked myself why there is no longer a grey or other colour background as there was a few months ago using the > command. Using a smartphone you ...
3
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1answer
58 views

Formatting problem with “invisible” comments

I posted an answer and tried to make some of my hints invisible (but visible when you mouse-over them). Formatting didn't quite work, and I split the comment into three lines making only the first and ...
9
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1answer
122 views

How to leave lines in between `>!`?

I'll get directly into the question. When I do something like: >! (Some text) >! >! (Some other text) It appears as: How would I get these to ...
3
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3answers
493 views

Is it possible to spoiler multi-line mathjax?

I can't work out how to do it. This: >! $$a=b$$ >! $$b=c$$ >! $$c=d$$ Produces this: Whereas this: ...
2
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1answer
104 views

Spoiler and List problem

Is is possible to make a spoiler space with a numbererd list inside? ! Here is what I have tried: ! 1. The first. ! 2. The second. or or ! Here is what I have tried: 1. The first. 2....
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1answer
114 views

Links in spoilers aren't hidden

An answer today caught my attention: https://math.stackexchange.com/a/2185406/62967 Here's an image of what I see with Safari 10.0.3 (with Firefox 52.0 it's the same): The link in the spoiler is not ...
1
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1answer
66 views

Multiline hidden text with align environment [duplicate]

Is there a way to use >! for hidden lines with the \begin{align*} ... \end{align*} environment? I can't seem to get it to ...
4
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0answers
127 views

Spoiler-markup broken for multilined display math? [duplicate]

A brief search didn't turn out a dupe, but recently I have found that the spoiler-markup >! doesn't work well with multilined MathJax, especially displaystyle: <...
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0answers
91 views

Inconsistent preview and output of maths in spoiler blocks

I was writing an answer to a question on the main site, and using spoiler blocks as part of the answer. Several of the spoiler blocks include MathJaX with $$ and ...
15
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1answer
282 views

MathJax Color fights Hidden Text and Wins!

It appears that using MathJax color in a hidden text block "pokes through" the hidden environment. I don't believe this is desired behavior, so I'm reporting as a bug.
6
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1answer
90 views

Problem with formatting two hidden grey boxes, one after the other

In this answer, I used two hidden grey boxes, one after the other. However, I had some trouble getting them to format probably. If you write ...
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1answer
116 views

how to post invisible solutions?

Please check out: https://math.stackexchange.com/a/863211/4997 In order to not totally give away the answer to the reader, the responses are invisible, unless your mouse hovers over them. In general ...
9
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2answers
391 views

Hierarchical spoilers

When giving hints to a problem, sometimes it's beneficial to use the spoiler markers >!, however if the reasoning is longer and split into more than one hint, ...
6
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0answers
136 views

A step-by-step unhiding “tutorial mode” for equations

One very nice MathJax example shows means to only show parts of a formula (e.g. as hints) and unveil them one by one (see $\ref{screenshot}$ below). I think a similar feature (not restricted to ...
12
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1answer
160 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 ...
10
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1answer
633 views

Multiline hidden text

For some questions, you think the user might learn more if you don't let them read the entire proof right away. So you use But I never managed to get a multiline one. Just like the quote block, it ...
12
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1answer
835 views

How to put math equations in a “spoiler” block?

I wanted to do something like >! \begin{align} >! x &= 42 >! \end{align} (Unfortunately even this code block is badly formated! Why is it ...
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2answers
135 views

How Hints in this question are understood?

In Your favourite maths puzzles there are hints stated in a different format.for example, Hint: GUVF VF RDHVINYRAG GB GUR ENGVBANY PNFR Are these meaningful ? Then how to understand them?
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2answers
333 views

Regarding spoiler text

I think spoilers should be used only when asked for by the OP, etc and not too freely. I usually take a printout of answers that I find useful, or too dense. Printouts have spoilers as blank text ...
19
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5answers
793 views

Re: Spoiler space?

In this question here the OP asks for hints for a problem rather than a full proof. Proof of subfactorial formula $!n = n!- \sum_{i=1}^{n} {{n} \choose {i}} \quad!(n-i)$ Now, while I would like to ...
4
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1answer
192 views

It is possible/make sense to add a mark to hide part of text?

In mathematics (and in other sciences), often there is no unique answer, the same problem can be resolved by different approaches, and often one can learn something from each one. So in order to ...