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peterchen wrote: users perceive
You are correct about that and I do agree that ProgressBars are really all about user perception.
There was a version of Chrome where the circle spun quite slowly and I honestly talked to friends about how it actually seemed slower on retrieving pages but that I didn't think it was anything more than the fact that the progress was spinning slower.
Please perceive as I say, user. 
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I know all about that, considering the number of times I've installed Windows  . It's the "finishing your installation" or whatever it does at the end that takes the most amount of time. With the progress bar already at 100%.
I also remember how Vista took several minutes to start copying files. Even doing an xcopy in MSDOS took much less time 20 years ago.
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Guerrilla Coder wrote: xcopy in MSDOS took much less time 20 years ago
You are so right. There was no expectation to let the user know when things were done.
When the command-line prompt rendered again, you knew the xcopy was done. 
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The best choice you provide is the first...
elapsed / total =======|.......
I'm retired. There's a nap for that...
- Harvey
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I second that. And to complete newtonµs post, also add the units of elapsed and total (time, bytes, etc...)
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I don't really understand what you mean by "elapsed time and remaining time at either end" - isn't it always like that? Have you got a screenshot you can show me, because I'm kind curious as to what you mean.
Anyway, surely that's nothing to do with the programming/functionality of the progress bar itself, just the way you use it in the GUI in conjunction with other controls? 
Anything that is unrelated to elephants is irrelephant
Anonymous
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The problem with quotes on the internet is that you can never tell if they're genuine
Winston Churchill, 1944
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I'd just like a chance to prove that money can't make me happy.
Me, all the time
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A, but it's not the PROGRESSBAR that shows that. The progressbar is completely the same in all cases, and there is no difference in how the progressbar controls work.
That is merely a textual representation of different time values.
I thought you meant that the look of the progress bar was somehow different in the different cases, and I couldn't really begin to figure out how that could be... 
Anything that is unrelated to elephants is irrelephant
Anonymous
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The problem with quotes on the internet is that you can never tell if they're genuine
Winston Churchill, 1944
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I'd just like a chance to prove that money can't make me happy.
Me, all the time
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Maybe it doesn't matter.
ux.stackexchange.com[^] would be the best place to ask. On request, you might even get evidence rather than just opinions.
Opinion: elapsed / total
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I have a little fake progress bar program.
If I want to kick back and do nothing at my desk for a while whilst waiting it look like I am waiting for the comupter I run it and a window pops up with two progress bars, one at the top going repeatedly at various speeds and with different computery looking messages that it is doing, one at the top going very slowly looking like it is keeping track of the total time for whatever the task it is doing.
Some men are born mediocre, some men achieve mediocrity, and some men have mediocrity thrust upon them.
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Mega upvotes!
Respect, bro!!
That's using the programming skills as they should be used.
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Actually I was merely seeking a general consensus, but that link is pretty comprehensive!
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Those guidelines are interesting and reminded me of how much I recently hated installing Windows 10 and having the INDETERMINATE versions of progress being displayed almost at all times.
At one point during the installation of Windows 10, it was actually running a Windows Update also. Ugh!
It was very frustrating just seeing the spinning circle.
I'd almost prefer to see random text giving me famous quotes or something.
Hold on, we're installing...
Intermittently....
"Give me liberty or ..."
"Ask not what your country can do for you..."
"All jobs tend to absorb and degrade the mind..."
etc..
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Well, the more Micro$oft keeps trying to imitate Apple and Google and spy on us more and more, the more Linux desktop looks better and better.
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Years ago, when Linux appeared to be making it big, a TV interview asked a surprisingly learned gentleman-expert-pundit which he thought would win out: Windows or Linux.
His answer still stands: to the consumer it really doesn't matter. If they can click an icon and run their application they don't care what's under it. I recall correctly, Walmart experimented with a bargain priced PC that came with Linux instead of Windows.
Although with a considerable time gap, he actually turns out to be correct: with people rapidly adopting Android phones, and the other variant deviant O/S's they come with, indeed, the consumer doesn't care.
The Linux desktop might come of age through the backdoor of the cellphone.
| "The difference between genius and stupidity is that genius has its limits." - Albert Einstein | | "As far as we know, our computer has never had an undetected error." - Weisert | | "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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I, for one, would really like for the Linux community to come up with a desktop GUI that can compete with Windows. I've tried it at various times over the past 20 years, but it always falls short of being a user-friendly interface. It's got to be something my 86 yo mother can use, or it won't go anywhere except among nerds.
Will Rogers never met me.
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Roger Wright wrote: It's got to be something my 86 yo mother can use, or it won't go anywhere except among nerds.
pity, but totally true
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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My kids are into soap bubbles a lot at the moment, and young as they are, they aren't very careful with them. So they're going through quite a lot of that liquid.
Now, the soap bubble liquid that you buy at the supermarket is either quite overpriced or of bad quality, usually both actually.
So being who I am I started thinking that I should mix the stuff myself.
After some googling I find the Soap Bubble Fanciers Yahoo group (No kidding)
After some more googling and reading I quickly found out that polyethylene oxide is a long-chain polymer that can turn water and detergent into "excellent bubble juice".
I find out that the recommended brands of PEO are J-Lube and PolyOx WSR-301[^]. Availability of Polyox seems to not be so good but J-Lube should be available at Farm/Ranch or Vet supply stores.
No, the penny didn't drop, and I was still amused by the existence of the Soap Bubble Fanciers Yahoo group.
Some more googling and I find out that J-Lube is a gel for veterinarian purposes. The penny still hasn't dropped.
I'm finding nothing at any farm or pet suppliers where I live, so now I check for the price and availability on Amazon.
Now the penny dropped. All the way.
The first hint was the name of the reseller.
The second hint wasn't a hint, it was a sledgehammer. It was the "people that have bought this product also looked at these".
It will indeed be amusing to see what suggestions I will get next time on Amazon.  Even more so for my wife 
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<voice quality='gravelly'>Welcome to my dungeon of delight.</voice>
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Somehow that made me think of Marcellus Wallace.
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Does he look like a bitch?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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I know it's wrong, but this whole experience was wrong on so many levels.
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At least you don't need to call on Winston Wolf! 
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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