I just noticed in this thread, Praphulla's hat is in the middle of the post. Refreshing didn't resolve the issue.


enter image description here

  • 10
    $\begingroup$ Well, if any hat were going to slip the surly bonds of page-layout, it should be Chuck Yeager's hat. $\endgroup$
    – Blue
    Dec 19, 2013 at 3:19
  • 7
    $\begingroup$ That hat didn't fly into the proof, rather, the proof was pulled out of the hat! Here SE is testing animation of the new way to mark "proofs pulled out of a hat". Besides being marked that way to draw attention to them, they will also be added to a special review queue. The goal is to migrate all of these proofs to magic.SE. $\endgroup$ Dec 19, 2013 at 3:19
  • $\begingroup$ I have been seeing screwy behavior with mathjax too, where it re-sizes or corrupts it, but a page refresh corrects it. I suspect the hat feature is causing this. $\endgroup$
    – Amzoti
    Dec 19, 2013 at 7:51
  • $\begingroup$ @Amzoti: Ah really? Refresh doesn't work for me (I just refreshed 5 times in a row). The problem still persists in my screen (for the same page linked above). $\endgroup$
    – Prism
    Dec 19, 2013 at 7:53
  • $\begingroup$ I am talking about the corruption to the mathjax (equations), not the persistent hat. Regards $\endgroup$
    – Amzoti
    Dec 19, 2013 at 7:55
  • $\begingroup$ @Amzoti: Right. But for me, that happens all the time ever since new version of mathjax has been deployed. Especially when I just post a question or an answer, there are space misaligning and size issues. Oh well. $\endgroup$
    – Prism
    Dec 19, 2013 at 7:57
  • $\begingroup$ Maybe this is a new issue and it should be reported as a separate issue too as it is very annoying. I assumed it was the hats, but maybe not. $\endgroup$
    – Amzoti
    Dec 19, 2013 at 7:58
  • $\begingroup$ @Amzoti: It has already been reported here. Especially see Jyrki's comment. $\endgroup$
    – Prism
    Dec 19, 2013 at 7:59
  • $\begingroup$ What I am seeing is much worse, it is changing sizes of entire equations, putting them on the wrong part of the screen, mushing them together, corrupting them ... $\endgroup$
    – Amzoti
    Dec 19, 2013 at 8:02
  • $\begingroup$ @Amzoti: Ohhhh… Yes I do remember seeing that happen once today… You are right… Probably caused by hats. $\endgroup$
    – Prism
    Dec 19, 2013 at 8:07

1 Answer 1


Interesting. Most other hats are positioned on the page relative to user's avatar (position: relative), but this one is given absolute coordinates, with respect to the upper left corner of the page: (position: absolute). Presumably, said coordinates are calculated after the page loads and the hat-adding script can see where the avatar is. Trouble is, the page also has this MathJax thing going on, with several displayed formulas. When they eventually get rendered, the avatar ends up lower than it was when the hat was positioned. Possible fixes:

  1. position all hats relative to avatar
  2. add hats after MathJax runs

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