@Karsten7. Did Audio not work on Linux?

It's interesting to see a few long-standing bugs (from 10.0 or earlier) fixed in 11.0.1.

@Szabolcs lucky you

How big is v11.0 on Linux? What does du -sh /usr/local/Wolfram say?

Trying to see if it'd fit in my VritualBox VM before installing ...

@Szabolcs 11.0.1 on OSX seems to be about 6.6 GB.

Some image exports still crash the kernel in v11.0.1. Bummer. Still need to write extra cautious code when writing long running image processing scripts.

Import["http://upload.wikimedia.org/wikipedia/en/a/af/Jamestown-\
Community-College-Logo.jpg"] // Export["temp.png", #] &

@kirma Thanks! I'm specifically interested in Linux though. 10.4 on Linux is 7.3 GB, on OS X it's only 5.8 GB.

@Szabolcs Hmm, interesting.

@MichaelHale This fixes it: Export["file.png", Image[img, MetaInformation -> None]].

@Szabolcs Ah, cool. That is simpler than the workaround I had. Do you know what the offending meta information was?

My friend who also ran into this problem was processing his own photos, so I know he would like to keep some of the meta info if possible.

Not that my previous workaround preserved it

It's something in the XMP meta info

Then in PagedTextSchema

@MichaelHale No, I didn't try to find out what it was.

I evaluate the first cell from here: wolfram.com/language/11/neural-networks/…

And Head[trainingData] will be Removed["Dataset"]! Very worrying ...

@Szabolcs I've seen the Removed["Dataset"] head before. Can't remember where.

Since when is typing "Mathematica" in the front end not changed to italics anymore? I must have missed that somehow. :)

@gwr I noticed that too. Must have been a few versions ago.

@Szabolcs Indeed, I just now really noted. Also "Mma" is not replaced any longer. Tongue in cheek one might say: "I miss Mathematica". :)

It seems the crash is whenever XMP->PagedTextSchema contains a SwatchGroups item plus at least two other items. I'll try to submit an update to the issue, although it is hard to know which case number was this one because they don't tell me which case number goes with which issue I submitted.

In[5] doesn't work in this Wolfram example. Needs _?NumericQ.

@gwr To answer your comment: I consider it off topic the same way as any licensing question is off topic. There's no official mention of WB3. I asked WRI about it, they sent it to me. That's my private business with WRI. The same for your case. Ultimately the point is: the OP should deal with WRI directly, not with us. There's no officially published way to get WB3.

Imagine someone writes to WRI asking for WB3 and gets denied, for whatever reason. Then he starts complaining, "but on this Mathematica site it says that I can get it, why can't I get it from you then?"

That said, I'm not going to touch the post anymore, and I am not interested in either keeping it closed, or in reopening. I just answered your question about why I voted to close originally.

Why does

ImportString["0.000000, 0.000044, -0.000072, -0.000109\.03
 0.000000, 0.000063, -0.000139, -0.000196", "CSV"]

import the last column as a string?

It even takes the liberty to append a space that isn't there in the CSV.

@C.E. It's just the last column of the first row. I'm guessing it's because of the "\.03" thrown in there.

 ImportString["0.000000,0.000044,-0.000072,-0.000109\.03
 0.000000,0.000063,-0.000139,-0.000196\.03
 0.000000,0.000083,-0.000206,-0.000283\.03
 0.000000,0.000110,-0.000271,-0.000378\.03
 0.000000,0.000133,-0.000338,-0.000470\.03
 0.000000,0.000151,-0.000404,-0.000556\.03
 0.000000,0.000164,-0.000472,-0.000636\.03
 0.000000,0.000173,-0.000539,-0.000711", "CSV"]

@MichaelHale

@C.E. Right. They most all have the weird \.03 at the end of the line. The following works fine.

ImportString["0.000000,0.000044,-0.000072,-0.000109
  0.000000,0.000063,-0.000139,-0.000196
  0.000000,0.000083,-0.000206,-0.000283
  0.000000,0.000110,-0.000271,-0.000378
  0.000000,0.000133,-0.000338,-0.000470
  0.000000,0.000151,-0.000404,-0.000556
  0.000000,0.000164,-0.000472,-0.000636
  0.000000,0.000173,-0.000539,-0.000711", "CSV"]

@MichaelHale I understand now, I hadn't seen the \.03 before... it doesn't show up in the notebook or in TextEdit (OS X's text editor.) :S

Also the code that generates the CSV is just fprintf("%f, %f, %f, %f\n", double, double, double double).

But I guess the error is on my end then.

ok found it, not Mathematica's fault.

If we slice a spherical loaf of bread into slices of equal thickness, each slice will have exactly the same amount of crust. This is something that is true, but not intuitive (to me) at all. Does anyone have an intuitive way to show the truth of this statement?

Spherical loaf of bread... :)

Does "loaf" refer to a shape? Is bread a mass noun? I'm confused.

@gwr The thing with controversial posts like this is that both the initial closing and the following reopening are quite inevitable. Could even happen multiple times if people feel strongly enough about it. But I don't feel strongly and don't want to be involved any more.

"Padded cannonballs", I call them...

@Szabolcs I think kirma was teasing you that "spherical loaf of bread" is already a much more accessible explanation than typical mathematical jargon.

:)

Or maybe he just thought it was a funny description

"Assume a spherical loaf of bread" sounds like a part of a nerdy joke. :)

But I agree that the result is not obvious. Although visual proofs of I would guess much simpler things like the Pythagorean theorem are not obvious to me how to construct. Just when I see them I think oh that's insightful, but I couldn't have trivially come up with it myself.

I think you essentially have to reconstruct the proof using only axioms/elements from the human intuitive visual grammar. And I'm not sure what the spec of that is.

Can someone please try this code for me: pastebin.com/raw/W8zdBA42 ? On MMA 10.3 and 10.4 it seems to work (= output a 3D plot in a few seconds), but not with MMA 11.0. I'd appreciate if someone could confirm.

@anderstood It worked for me on v11.0.1 on Win 10.

Also worked on OSX in my case with v11.0.1.

@Szabolcs What is the simplest non-visual proof you have of that statement?

Thank you. I'm using Ubuntu 15.10. I'll wait for someone to try on Linux before filling a bug report.

Oh, I have 11.0.0.0, could it come from there?

There's probably only one wait to find out...

I think I found a problem in 11.0.1 UI. It seems to sometimes highlight some symbols in RED at the UI for no reason at all! Here is an example:

Notice how the "t" there is red. sometimes hitting the cell again, removes the red coloring. sometimes it gets stuck for little more before it goes away. I am trying to see if I can make an example to reproduce it all the time.

This is on windows 7. version 11.0.1 64 bit.

@anderstood it worked fine on MMA 10.4 on Ubuntu 14.04.5 LTS

What is the main competitor to Wolfram in terms of one click cloud deployment for website and data and coding in a high level language, but which allows you to more easily drop down to pure JavaScript coding when necessary to get the functionality or performance you want?

@psimeson Thank you. To summarize, it worked on 10.4 but Ubuntu 14.04, 10.3 with Ubuntu 15.10, 11.0.1 with Win10 or OSX; failed with 11.0.0 under Ubuntu 15.10 and Linux Mint 17.3 (~ Ubuntu 16.04).

I feel like every person I talk to is using a different hosting platform, client framework, server framework, data platform, and coding tools.

@MichaelHale I'm absolutely not knowlegdeable in this, but I've heard about some people using AWS (Amazon)...

@WReach I never would have thought of that - it drives me crazy that when I use a nonstatic method, it's still in blue, but it comes up in the autocomplete list. Thanks for that hint

The output of

wolframscript -file test.wl -print -format PNG

looks the same in both cmd and PowerShell.

@MichaelHale I guess you already know about this, but R Shiny is the one I've heard about. There is a service that let's you deploy apps, and you can build components with JavaScript/CSS/HTML as needed when the built ins aren't enough.

@anderstood Thanks. Obviously I'd heard of AWS and used a couple of pieces (S3 and EC2), but I hadn't looked at the whole set of services. Didn't know about Elastic Beanstalk or SQL Server hosting.

@JasonB Thanks. Was able to step through the proof, but whenever my ability to follow steps that are written down always exceeds my ability to intuitively understand things.

@C.E. Yeah, I guess the specific problem I had was I make an app on Wolfram Cloud and they like it, but then say "I really like how fast you made that tree view editing interface I roughly asked for. Can you quickly add drag and drop functionality to it?"

I haven't even figured out what I would want the code to look like for that, except GetThemToLeaveMeAloneButStillPayMe[].

To upgrade to 11.0.1 from 11.0.0, do I need to install 11.0.1 from scratch or is there an upgrade tool?

@anderstood The only way I know is to download the 11.0.1 installer, then when I ran it, it automatically uninstalled 11.0.0 then did full install of 11.0.1.