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6 votes
Accepted

Why is the URL for Signal Processing dsp.stackexchange.com?

Digital Signal Processing, what else?
Dilip Sarwate's user avatar
5 votes
Accepted

Hay how do you do a box around an equation in $\LaTeX$?

$$\fbox{ Like this for text.}$$ \fbox{ Like this for text.} or $$\boxed{e^{j\pi} = -1}$$ \boxed{e^{j\pi} = -1} This sort-of works for colors: $$\color{red}{\boxed{\color{black}{e^{j\pi} = -1}}}$$ ...
Peter K.'s user avatar
  • 25.9k
3 votes
Accepted

Bring back RBJ's comment

Tempting as your offer is, unfortunately I can't comply. I can't see how to undelete the comment. Normally, when I hover over the comment it gives me extra options, but there's nothing here.
Peter K.'s user avatar
  • 25.9k
3 votes
Accepted

How to correctly write units (second, Hertz) in formulae?

I tend to use \mathrm{} macro with a tiny space: \;\mathrm{Hz} Another possibility is to use simple ...
jojeck's user avatar
  • 11.1k
2 votes
Accepted

Hyphenated tags not working?

From the teacher's lounge: If [kalman-filters] is synonymised with [kalman], then when you try to add [kalman-filters] in the tag box, it'll automatically map to [kalman]. So all I had to do was ...
Peter K.'s user avatar
  • 25.9k
2 votes

My edits need approval again… AND I can vote for my own edit, giving it half the approval needed

Are you certain that you were logged in, etc? By the look of it, this edit was proposed by an anonymous user. There are no other edits/actions made with respect to that question.
jojeck's user avatar
  • 11.1k
2 votes

Why has this question disappeared?

OK, I've undeleted that question and its answer. The general SE consensus seems to be that SE owns the rights to the information and can do with it what it wants. In this case, I think it's better to ...
Peter K.'s user avatar
  • 25.9k
2 votes
Accepted

What to do if multiple accounts are ostensibly the same person?

It's not clear to me that Man and user46417 are the same. The system logs IP addresses and registered email addresses and both ...
Peter K.'s user avatar
  • 25.9k
2 votes

How do I undo a *reviewer approve" action?

You cannot undo the review actions you have done, but you can undo the effect outside of the review. For suggested edits: If the edit has been applied (e.g. this edit on your own post), rollback it, ...
Andrew T.'s user avatar
  • 101
1 vote

How does this question need to be edited to be re-opened?

Usually there's a "vote to reopen" tag when editing. Not sure what happened there. It's reopened now.
Peter K.'s user avatar
  • 25.9k
1 vote

Hay how do you do a box around an equation in $\LaTeX$?

In Mathjax you can do something like this (which I used in this post): \bbox[#f8f1ea, 0.6em, border: 0.15em solid #fd8105]{a^2+b^2=c^2} Looks like this: $$\bbox[#...
Matt L.'s user avatar
  • 90.5k
1 vote
Accepted

Did the 5-minute "grace period" for editing questions or answers recently change or get removed?

OK, I found the documentation in the FAQ. Multiple edits made by the same person may be combined into a single revision, if they occur within a short period of time (currently 5 minutes), unless the ...
Peter K.'s user avatar
  • 25.9k
1 vote

Reverting mistaken votes

The edit proposal was still there, and I've applied it to the question now. The edit seemed to remove a tangential solicitation for a now-defunct Image Processing Area 51 proposal.
Peter K.'s user avatar
  • 25.9k
1 vote

Can this post be completely deleted?

Robert, I see that you deleted your answer. As it is right now, it's visible only to you, mods and users with enough of reputation. You can't really delete it completely. I believe that only SE mods ...
jojeck's user avatar
  • 11.1k
1 vote

why can't i edit this question?

rb-j, that seems to be standard operating procedure for all Stack Exchange sites. See this answer for why you may not be able to edit a question: There are a handful of conditions where we will stop ...
Peter K.'s user avatar
  • 25.9k

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