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Sep 24, 2015 at 10:58 comment added Todd Trimble Excellent! I'm happy for you.
Sep 24, 2015 at 8:39 comment added chizhek @Tod Trimble - Got it! Just added "s" to "http" in mathoverflow.net, and preview refresh (with math rendering) works, lively. The problem was that I connected to mathoverflow via google, which connected me to the http URL. This obsession with security is something new: all the time I posted answers to Math Exchange Mathematics I did it via the http URL, and it worked without problems; but that was more than a year ago. Ahhhh: I will no longer be a nuisance, bumping the question again and again to the top of the active list. It was a nightmarish experience, and now it ends.
Sep 23, 2015 at 19:39 comment added chizhek @Tod Trimble - Yes, it is finished. I prepared the full answer as a LaTeX file. The three last bumps (or were they four) were not "cosmetic edits", that was me locked in mortal kombat with the moribund preview refresh. Today I wasted more hours searching the web, tryng to find out the cause of the problem and possibly a solution, with nil results on both fronts. Yes, I will go and tell about it at meta. Actually, I have already found some advices there, all of them wrong. One advice was to use browser refresh; this is a wrong kind of refresh, it leaves the page and edits vanish into limbo...
Sep 23, 2015 at 19:14 comment added Todd Trimble @chizhek I'm having trouble understanding what the problem with refresh (or with login) is. Please consider posting a description of it at meta; maybe someone else has encountered it and has a solution. Meanwhile, I hope the answer here has reached a stable state.
Sep 23, 2015 at 19:14 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 16:57 comment added chizhek @Felipe Voloch - These problems with refresh are new to me. When I edited answers in Mathematics StackExchange, I always did it in one piece, even when it lasted a day or two (now and then I copied the contents of the editor into a local text file, as an insurance against crashes); but there and then refresh always worked. Alas, for the last year I worked entirely "offline", and something strange happened somewhere. I twiddled all sorts of internet setting, and if anything, I made things worse. For example, when I put mathoverflow.net on the list of trusted sites, I could no longer login...
Sep 22, 2015 at 16:39 comment added chizhek @Felipe Voloch - My current problem is that refresh in preview stops working after I edit a line or two, and then shows the LaTeX code. I resorted to preparing large chunks of the answer offline, which I then paste into the editor, blindly, since refresh usually stops working at once. And then what: I can only see what the thing looks like (it looks different offline) by posting the answer. This is in IE; in Firefox and Chrome the refresh does not work at all. I wasted hours searching the net for solution, tried a lot of things, nothing helped. Any hints? "Bump the question to the front page"?
Sep 22, 2015 at 16:23 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 15:42 comment added Todd Trimble Thank you for your insight and contribution. I'll say quickly though that Felipe has a point: while sometimes an edit is important, tiny cosmetic edits can become an annoyance to others if there are too many. As a piece of friendly advice: for cosmetic adjustments, consider also using a text editor offline until you are quite satisfied with the appearance. Answers can always be revisited and edited if something more important comes up.
Sep 22, 2015 at 15:35 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 15:33 comment added Felipe Voloch Every time you edit your answer, you bump the question to the front page. Please avoid multiple edits.
S Sep 22, 2015 at 15:30 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 15:22 review Suggested edits
S Sep 22, 2015 at 15:30
Sep 22, 2015 at 15:14 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 8:08 history edited chizhek CC BY-SA 3.0
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Sep 22, 2015 at 8:01 history edited chizhek CC BY-SA 3.0
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Sep 21, 2015 at 18:02 comment added chizhek @Felipe Voloch - If $u\in\mathbb{Z}^n$, then $\gcd(u)$ is a shorthand for $\gcd(u_1,\ldots,u_n)$.
Sep 21, 2015 at 17:36 comment added Felipe Voloch What do you mean by $gcd(a-by)$?
Sep 21, 2015 at 17:30 history edited chizhek CC BY-SA 3.0
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Sep 21, 2015 at 10:36 history edited chizhek CC BY-SA 3.0
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Sep 21, 2015 at 9:42 history edited chizhek CC BY-SA 3.0
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S Sep 21, 2015 at 9:22 review Low quality posts
Sep 21, 2015 at 11:21
S Sep 21, 2015 at 9:22 review First posts
Sep 21, 2015 at 9:39
Sep 21, 2015 at 9:21 history undeleted chizhek
Sep 21, 2015 at 9:13 history edited chizhek CC BY-SA 3.0
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Sep 21, 2015 at 8:55 history deleted chizhek via Vote
Sep 21, 2015 at 8:54 history answered chizhek CC BY-SA 3.0