TeX, LaTeX and Friends - 2013-02-19

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12:37 AM

@NicolaTalbot glossary.mcols.sty defines \glsmcols but never uses it.

4 hours later…

4:14 AM

Hi!

Garbage Collector

5:00 AM

The most romantic blind couples: youtube.com/…

5 hours later…

9:32 AM

I don't want to become a serial downvoter, but there's one guy whose answers may be worth it.

9:48 AM

@tohecz Vote on content not poster is the key thing to remember

Stefan Kottwitz

@JosephWright He said the answers may be worth it ;-)

@JosephWright yeah, because many answers are just fine, but many times, they "solve the symptoms" without "solving the causes"

@JosephWright On the other hand, I believe in "graduated punishment": First, try to be really positive, itf it doesn't help, be punishing.

10:13 AM

@egreg Thanks for the edit

@StefanKottwitz Did you take a look at tex.stackexchange.com/questions/341/… ?

Stefan Kottwitz

@JosephWright At some time earlier, yes. It doesn't answer the question how to do it with LaTeX, but caused much discussion.

@JosephWright If it should stay at all, then as a comment.

@StefanKottwitz OK, my feeling too but as you deleted it I felt it was best to let you make the decision

Stefan Kottwitz

@JosephWright ok

10:33 AM

@JosephWright I confuse the two all the time myself. :)

11:25 AM

This one's for @PauloCereda, but I guess he knows this already:

Rubber duck debugging

Rubber duck debugging, rubber ducking, and the rubber duckie test are informal terms used in software engineering to refer to a method of debugging code. The name is a reference to a likely apocryphal story in which an unnamed expert programmer would keep a rubber duck by his desk at all times, and debug his code by forcing himself to explain it, line-by-line, to the duck. To use this process, a programmer explains code to an inanimate object, such as a rubber duck, in the expectation that upon reaching a piece of incorrect code and trying to explain it, the programmer will notice his/her...

11:39 AM

@topskip <3

6

A: Wrong Wolfram|Alpha limit?

You are right, wolfram is wrong. It might happen... Only you should correct your exposition of the definition. You say: By definition, if blah blah, then bleh bleh you should say: By definition, blah blah, if bleh bleh In fact you prove bleh bleh to have blah blah.

lolwut

3

Q: Is there a way to prove that a prophet is true?

I am asking this in response to this question, in which the asker is unwilling to edit the question to make it more suitable for this site; although I think the general idea behind the question is a good one. Is there a prescribed method for proving that a prophet is a true prophet? We have see...

nevua-prophecy prophecies

For a minute, Gödel came to my mind. :)

@PauloCereda The function (x,y) -> y/(|x|+|y|) is bounded in a (punctured) neighborhood of (0,0); since the limit of the function (x,y) -> x at (0,0) is 0, the result follows. I wonder what the answerers in Math.SE are thinking.

@egreg In everything but math, apparently. :)

@PauloCereda Proving that |y/(|x|+|y|)| <=1 is apparently too tricky for them.

@egreg :)

12:07 PM

@egreg you didn't link your math account to this one?, is that so you can deny being a mathjax user here?

12:49 PM

@DavidCarlisle I find that MathJax has its benefits. But not in a TeX related site, of course.

1:13 PM

@egreg :-) Actually I was just surprised (although delighted of course) to see you with a lowly 1 rep as I thought you got more than that for transferring but then realised it was an unlinked account. I tried to bump you up but turns out I'm not on that site either:-)

1:32 PM

@egreg "Squeeze Lemma", surely. (Oh, and as I did once stray onto Maths-SX in my youth, I am able to vote for your answer.)

@AndrewStacey Sandwich Lemma of course!

(Wanna sandwich? Ask @egreg!)

Garbage Collector

2:10 PM

@PauloCereda Don't believe in humans as long as they still have possibility to lie.

@PauloCereda what is so funny about such a question?

Garbage Collector

2:33 PM

It is the first time I see Herbert online in this chat room.

@tohecz It's not funny. It reminded of Gödel. :)

@PauloCereda ok :)

Garbage Collector

@Herbert: How to change the linestyle of \psgrid or \pspicture's grid to dashed?

@tohecz Something like you can't tell a priori that a prophet only tells the truth. :)

Interesting: Adele's "Skyfall" is built over the classical James Bond theme. You can play one on top of the other. :)

@PauloCereda what?

2:39 PM

@tohecz Adele sings the main song of the last James Bond movie, Skyfall. The song is pretty nice and you can notice it follows almost 1:1 the original James Bond theme. :)

@PauloCereda oh ok. Popular music and movies, you should have said that at the beginning :D

(sorry, I'm very far from being a fan of the movie industry)

@tohecz :)

3:00 PM

Hi Paulo

@HarishKumar Hello Harish! How are you?

A good news for winedt users: Finally the addon for arara is here: winedt.org/Config/menus/arara.php. Miktex users have to make necessary changes to the path as it is not available with miktex and need to be manually installed.

@PauloCereda What is the progress of arara towards miktex?

@PauloCereda I am fine thank you. How are you doing?

@HarishKumar Unfortunately, I had no time to work on it yet. I'm trying to solve some professional/personal stuff.

@PauloCereda :-(

@HarishKumar I'm deeply sorry. :( But I really need to work on my stuff around here. :(

3:09 PM

@PauloCereda Oh. Come on. I can understand. :-) cheer up.

@PauloCereda There is a thread going on in winedt list now on arara. :-)

@HarishKumar :)

3:54 PM

@PauloCereda Just thinking to how possibly enhance arara: would it be possible to make it look for rules also in $TEXMFHOME/scripts/arara/rules (with precedence over $TEXMFDIST/scripts/arara/rules)? In this way one wouldn't have to create a araraconfig file for setting the paths. And maybe the config file could be placed in $TEXMFHOME/scripts/arara. It would be much cleaner, at least on TeX Live systems.

@egreg Hm interesting. I could investigate how to use kpsewhich to get access to the TeX distro. Does MiKTeX have it too?

@PauloCereda I believe so.

@PauloCereda yeah, I think that kpsewhich is the way to go

@PauloCereda Do you mean that now it only knows the rules directory under the one where the program resides?

Looking through the question archive it doesn't seem like we have a "Why should I not delete my .aux files" question. It might be useful to have. We have lots of questions asking about how to delete them after each run, which then spawn comments about why you shouldn't do this, but no single question addressing the issue that I could find.

4

4:19 PM

@egreg Yes.

@PauloCereda Some testing with kpsewhich on MiKTeX should be done. Unfortunately, I can't. :P

4:52 PM

LET THE SKY FALL!

@egreg: I'm tempted to register myself in the GuIT forum, but I can't write in Italian. :(

5:32 PM

I cannot connect to anything related to Google - do you know about any possible reason for such thing? (this includes the TeX.SX site: TeX - LaTeX requires external JavaScript from another domain, which is blocked or failed to load.)

5:51 PM

Ok, I can connect if I ssh to my other university and use links, and I'm very surprised how easy is to use gmail this way.

6:03 PM

@PauloCereda That's not a big problem. Somebody can translate in case of difficulties.

@JosephWright, @StefanKottwitz: @AlanMunn is locked out of chat. Could you take a look?

@PauloCereda Test, can you see this message, @Paulo ?

@tohecz I can.

ok, good. It seems everything works again

A little late, but happy new year everyone...

Yiannis Lazarides

6:14 PM

Hi! everyone! Does anybody know why "guards" are called so in doc\docstrip?

@YiannisLazarides Maybe a Haskell homage? :)

Yiannis Lazarides

@PauloCereda probably lispy.

@YiannisLazarides Indeed.

@PauloCereda that's very unlikely: hard to pay homage to a young upstart

@DavidCarlisle <3

6:23 PM

using your own packages is cheating:) — David Carlisle 16 mins ago

@egreg I did give him a vote anyway

@DavidCarlisle What I don't understand is why the OP insists in using framed after having seen in many examples that mdframed is more powerful and easier.

@egreg it's probably like people insisting on using picture mode when they could be using tikz.

@DavidCarlisle Or listening to Johann Nepomuk Hummel's music when there is Lady Gaga around.

Hummel's trumpet concerto is wonderful, by the way.

@egreg yes well I think someone's been playing that in my ear all day.

6:31 PM

@DavidCarlisle Oops. :( Get well soon.

@YiannisLazarides It was fairly common terminology I thought at one time, less so now it seems as searching was harder than I expected but I suspect it started here cs.virginia.edu/~weimer/2008-615/reading/DijkstraGC.pdf

@PauloCereda Will do

@JosephWright Thanks.

@PauloCereda haskel 1990 hmph :-) ^^^^

@PauloCereda I think should now be fixed

@AlanMunn Can you hear me?

6:37 PM

@JosephWright Thanks. :)

Yes. Magic. Thanks, Joseph.

Yiannis Lazarides

@DavidCarlisle Thanks! Djikstra! I had somebody calling them "tags" today:) But of course they are commands in reality.

@AlanMunn For some reason the chat profile had you as 0 rep, so not allowed to use chat. I've forced a sync to your parent profile

user image

:)

@AlanMunn V. odd

Yiannis Lazarides

6:39 PM

@AlanMunn ????

@YiannisLazarides The system got somewhat confused and I had 0 rep in chat. But I kept my badges. Logging in and out multiple times didn't fix it, but @JosephWright seems to have done so, now.

Yiannis Lazarides

@AlanMunn Non-deterministic computing:)

6:53 PM

@egreg But I don't think the forum accept English answers.

@egreg: OMG! Del Piero was offered to Palmeiras, but the club manager is not happy with his age! globoesporte.globo.com/futebol/times/palmeiras/noticia/2013/02/…

7:19 PM

user image

Your Emacs Foo is not even a function of time. :-)

Pretty Comprehensive Tutorial for Evmaics

Let's not talk about Vim since David is ill.

Yiannis Lazarides

@kan Saw that on HN the other day, great tutorial.

7:45 PM

@StefanKottwitz: German question: how does one pronounce "Heiko"? :)

@PauloCereda High-co

@Jake ooh! Thanks! :)

Pleasure =)

Stefan Kottwitz

@PauloCereda confirmed

@PauloCereda Usual rule for English speakers reading German is 'ei' => 'i', 'ie' => 'e'

Stefan Kottwitz

7:56 PM

was also thinking about a German word and translating, rather than pronouncing, right this moment

Entität - must be a duck-thing

thought of you that minute

@JosephWright How would you pronounce Aidan?

Raiden?! :)

MK!

@StefanKottwitz 'Ay-den'

@JosephWright Throatwobbler Mangrove. :)

Stefan Kottwitz

@JosephWright Ay as in Aye-aye, captain?

8:12 PM

@StefanKottwitz Ay as in Aidan. :)

Stefan Kottwitz

ay as in ebay?

@StefanKottwitz yes, these are too easy, anyone care to break down Dijkstra

Brent.Longborough

@DavidCarlisle Isn't that Dai as in Wales, then xtra as in extra?

@DavidCarlisle BTW Hope you're better (Health, that is)

@Brent.Longborough yes but I can't put then together without pausing for breath in the middle so I assumed I'd got it wrong

Stefan Kottwitz

@DavidCarlisle It was just a talk with my girlfriend how to pronounce our small boy's name

8:22 PM

@Brent.Longborough I've been better (and I've got to give a talk to the office tomorrow, it'll be packed as it comes with free lunch)

@StefanKottwitz I was going to ask weren't you expecting events around now?

Brent.Longborough

@DavidCarlisle Sorry to hear that. Good luck , anyway :)

Stefan Kottwitz

@DavidCarlisle Yes, I got a small boy 7 days ago

@StefanKottwitz What's his name, by the way? :)

@Brent.Longborough so I have to explain xml to all comers (sales staff the ceo, my own xml group, fortran developers, ... in half and hour while they all wish I'd shut up so they can tuck in:-)

Brent.Longborough

@kan That's called VimRolling, a subtle form of RickRolling, and is considered an Internet Crime Against Humanity :)

8:24 PM

@StefanKottwitz congratulations

@DavidCarlisle OMG Fortran guys... good luck with them. :P

@Brent.Longborough Ooh! :)

Brent.Longborough

@PauloCereda Now, then, what;s wrong with Fortran?

But, Cavid is already sick. I don't wanna hurt him. Isn't that a nobler intention? @Brent

@Brent.Longborough Nothing. :P I just remembered something curious. :)

@Brent: Do you know País tropical from Jorge Ben Jor?

Stefan Kottwitz

8:26 PM

@DavidCarlisle Thanks! :-)

@PauloCereda so I've assembled an array of xml tools (none of which i use:-)

Brent.Longborough

@PauloCereda Yes...

@StefanKottwitz Welcome Junior Kottwitz. :) And, Congratulations

Brent.Longborough

@StefanKottwitz Congratulations, Stefan

Stefan Kottwitz

Thanks! I was surprised that it came so fast. My first child cannot even walk :-o

8:29 PM

@Joseph Do you watch Periodic Videos on YouTube? :)

@StefanKottwitz Congrats! And are his given names Donald E.? :)

@Brent.Longborough One of the beer brands here made a TV ad with that song, but only with the beginning of the words (can't remember the motivation for that, it was something related to the beer), so the song was like mo... num pa tropi... abençoa por De... e boni por nature... mas que bele... I made fun of all my Clipper friends about it, I said the song was written in Clipper (Clipper has a restriction to the number of symbols you can use in a variable, it's a very low number). :)

Brent.Longborough

@DavidCarlisle There was a time when I thought xml was the answer to everything, but then I read Goldfarb's Xml Handbook and realised it was all going to be corporate-speak.

@StefanKottwitz: Name of the boy? :)

Stefan Junior. :)

Or Stefan II.

:)

I recently came across a language called Go. \

Now, Clipper.

8:31 PM

@Brent.Longborough XML is the answer to everything, provided that everything makes no sense. :)

Brent.Longborough

@PauloCereda My favourite programming environment of all time was Mumps. All variables global, stored in a common workspace with all the code

@Brent.Longborough he has an xml handbook? I have the sgml one

Stefan Kottwitz

Details or pictures possibly via email, they are too young to be googled ;-)

@Brent.Longborough LOL those were the days. :)

@Brent.Longborough Yuck.

8:32 PM

@StefanKottwitz Ah sorry. :)

@kan In memory level, everything is data.

:)

Brent.Longborough

@DavidCarlisle Yes. The SGML Handbook, which I have, is amazing and useful (I guess). So when the Xml Handbook came out, I jumped on it. What a pity - pages of corporate self-promotion from his sponsors.

Hmm, still this does not make sense, no?

@Brent.Longborough I haven't seen it but I don't think he ever played any part in XML really, I suspect there were some sour grapes from parts of the old guard sgml that xml actually got used by more than a few big corporations unlike sgml

Brent.Longborough

@DavidCarlisle No. I came across him as the G in GML (IBM), which I used for years.

@Brent.Longborough yes well as we know you're even older than egreg:-)

8:36 PM

:)

I really enjoy coming here.

Brent.Longborough

@DavidCarlisle I don't think many people could understand SGML. Then, when it came to XML, they began to think they understood it, and everyone made a lash-up of things (Present company excepted, of course)

@DavidCarlisle The thinkg that really irritates me about XML is when people forget that tags can gave content and use attributes instead.

<p content="The quick brown fox..."></p>

@DavidCarlisle But not wiser, I think

@Brent.Longborough well as part of my talk tomorrow Ive been looking at docx xml that has examples of just about everything you couldn't imagine anyone ever doing:-) But I'm going to edit in emacs, so that's OK...

There is a famous algorithm that helps find root which goes by your name (so, a namesake). :) @Brent

Brent.Longborough

@kan What, Brent? or Longborough? Up to now, I hadn't got beyond being a reference for oil

@Brent.Longborough LOL. Brent, of course.

Brent.Longborough

8:41 PM

@DavidCarlisle Nice one! Someone's bound to ask "How do you configure powerpoint to do that?"

And, Numerical Recipes for BlahBlah recommend this as a very robust method, Ask @David, he is an expert. :)

Brent.Longborough

@kan You may not believe this, but I attended my first Numerical Analysis lectures ten years earlier. What a missed opportunity! What did I do with my life? I could have been famous!

@DavidCarlisle Is that the Microsoft docx ? The one they invented to throw smole all over the open standard?

Well, smoke, anyway

@Brent.Longborough Oops. I should say I have come to believe that when you can write a matrix from sth, the sth and matrix must all be very important for the survival of human kind.

@Brent.Longborough ISO/IEC 29500 (you shouldn't believe all the IBM double-speak about that:-)

Serious Question: What is a time tested way to clear your muscle cramp in your thigh, of course other than sitting down and finding the RREF of 12 x 12 matrix? :)

8:52 PM

user image

@DavidCarlisle LOL! :(

@kan are you alone?

@tohecz Yes, in a hostel, but why do you ask so? Just curious, not that you should not ask.

@kan there's a trick, but it needs a second person

@tohecz Hah!! @_@ No one to help me out.

8:55 PM

well, you can try do thigh stretching. sit on an edge of a bed such that the sore leg is on the bad and straight in the knee and the good one is free.

Now grab the sore one at the toes and try to pull. If it doesn't hurt more, you can continue and pull more. It might help

If you don't manage to do it or it doesn't help, use warm water (and by warm I mean as warm as you can confortably bear)

Brent.Longborough

@DavidCarlisle Oh Brill! From www.iso.org: "JavaScript disabled! Please enable JavaScript in your web browser!"

@tohecz Hah, the warm water: I am thinking of trying this a few hours from now.

@tohecz Setting up so that I can try this,

Brent.Longborough

@DavidCarlisle How do I enable Javascript in Lynx?

@kan It really helps. Remember: Bones or joints -> cold; muscles -> warm.

@tohecz thank you, it must be a very useful lesson.

9:02 PM

@Brent.Longborough you can probably get it from ansi:-) (anyway why aren't you in BSI IST/41 then you'd get to read these things before they come out)

@kan as a scoutmaster, you have to know a lot

Brent.Longborough

@DavidCarlisle :-) No, thanks, I did my bit in Brazil (ABNT)

last summer, we had a boy with partial rupture of that muscle. Moving him half kilometre from the forest to the camp, and then by car to the hospital was no fun.

Brent.Longborough

@DavidCarlisle And anyway, ever since I've been older than @egreg, I can't seem to absorb all this tech stuff any more. I've been stuck on page 4 of Randomized Algorithms for nearly five months, now

@kan There's a Wikipedia article on it.

@Brent.Longborough oh these are so cool. Quite a lot of people in my lab do something in that direction

Brent.Longborough

9:06 PM

@tohecz Yes, but you have to have a brain like the Mekon

I have no brains, so I am a company to @Brent.

@Brent.Longborough According to @DavidCarlisle I'm by the oldest member of the community. Much older than him, at least.

@Brent.Longborough depends. I have very little experience with that.

@tohecz Oh, man! It is really not nice to see people having problems with their physique.

Brent.Longborough

@egreg I think he's talking about either sin or all those plain TeX constructs, not years

9:09 PM

@kan every year, we have several injuries that make us go to the hospital

Brent.Longborough

@tohecz There are clearly some brilliant ideas, but then they obscure it all with Maths

@Brent.Longborough lol :D

Brent.Longborough

OK all, Tired, gotta go. Good Night

@Brent.Longborough night

@Brent.Longborough Good night.

9:18 PM

@kan is it better?

while stretching, I am having terrible pain.

@tohecz ^^

@kan that's not good. it can be a bit worse than non-stretchin, but it should not be terrible

@tohecz I just tried doing the stretching, I simply shouted out: time being 3 am, I am afraid I am disturbing people.

@kan then really warm water. Water itself has anti-inflammatory effect too, which can help because serious cramp can cause slight inflammation

@tohecz Hmm, let's see. At 7:30 am. I am gonna bath.

9:25 PM

well, do what you consider good ;)

@tohecz +1 for your meta answer on help from the site; but with John Doe and Josh Soe you should have added also "egreg". ;-)

If I added @egreg, I would have @David complaining why not him. If I added @David, I would have @egreg complaining why not him. If I added both, they would skin each other alive. So what should I do?

@tohecz Life is a risky business

9:43 PM

@egreg indeed

10:06 PM

I'm getting that hang of tikz now. more points for me!

@egreg it's all inside the outer box group already?

@DavidCarlisle I was looking for tikz and didn't see the box!

@egreg see even thinking about tikz makes you forget about TeX

Anyone have a suggestion for a word to categorize math terms which are NOT definitions or axioms in that they are not formally defined in terms of other definitions or axioms? For example: set, element of, true, false, etc...

@PeterGrill those set terms are usually the canonical example of terms that are defined via axioms axiomatic set theory being the basis of everything in some versions of everything.

@DavidCarlisle "basis for everything in some versions of everything" :-) :-)

10:22 PM

@PeterGrill Primitive terms?

@egreg Hmm, thats not a bad suggestion.

yep that seems to be what I was looking for.

1

Q: Font installation woes - TeXShop on a Mac

Have read (carefully, I hope) the earlier question Font installation in TeXShop on a Mac looked to be exactly what I needed. Also looked at http://www.tug.org/fonts/fontinstall.html#fndb Am trying to install Arial from CTAN. However, the sudo commands getnonfreefonts, texhash and updmap did not...

fonts installing

Can I post this video as answer?

@PauloCereda :-) Not sure how that answers it though. :-)

@PeterGrill woe woe woe woe! :P

@PeterGrill yes or ground terms would have been what I'd have used when I was working in formal languages, but that's pretty much only used in the context of very formal language constructions not as a description of normal mathematical usage.

10:30 PM

@PauloCereda Reminds me of Yosemite Sam: "When I says Woah, I means Whoa."

@PeterGrill Oh my, yes! :)

@DavidCarlisle Yeah that is probably too formal. I think "Primitve" is the one I am going to use.

10:55 PM

should the question moved to another Site of SE for programming with c?

-1

Q: Passing in an array

I was wondering when it is necessary to pass the arraySize along with the array .. more specifically both codes below are correct ?! void modifyArray( int [],int); int main(){ int arraySize = 6; int a[arraySize] = {1,2,3,4,5,6}; modifyArray(a, arraySize); return 0; } void modifyArray( in...

11:16 PM

@Kurt I think so. Flag it for the moderators.

@Kurt Derived from BOFH: clientsfromhell.net

@Speravir :-)

11:30 PM

@Speravir: nice Block quote question btw

@Kurt THX.

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