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1:06 AM
tex.stackexchange.com/questions/42734/… I can't decide if a correct answer for this question among those already given even exists. Seems too arguable now.
 
1:20 AM
@AymanElmasry: Yep, that's one of the "problems" :-) with asking questions. I think the FAQ here recommends that you pick the one that helped you the most (not necessarily the "correct" one).
2
 
1:50 AM
@AymanElmasry There's no requirement that you accept any answer if you don't think it's appropriate. Of the questions I've asked, I haven't accepted (deliberately) two answers. On the other hand, Peter's right: you can accept the one that was most helpful to you, if you like.
 
2:15 AM
@AlanMunn Wouldn't it be more appropriate in this case as a community wiki?
 
 
1 hour later…
3:18 AM
@AymanElmasry That's also a possibility. Although see blog.stackoverflow.com/2011/08/the-future-of-community-wiki for some discussion.
 
 
5 hours later…
8:25 AM
@PauloCereda: I'm available from 10:00 UTC today, and tomorrow, and Friday. Whichever works best.
 
8:47 AM
Thanks for the suggestions @PeterGrill
 
9:32 AM
@Jake Cool! :)
@JosephWright: could you unfreeze our chatroom? :) chat.stackexchange.com/rooms/1728/textalk-interviews
TeXnicCenter 2.0 Alpha 4 released.
 
Could someone please try my code in the following answer? It works for me, but not the questioner, but we're using the same versions of the main packages (beamer and PGF) so i don't know where the problem could lie. Thanks.
1
A: Specify which picture variant to show

Andrew StaceyThe following code works on my simple test, but I don't know if it will work with more complicated code. If it doesn't, please post some example code of the sort that you want to work with. Here's the code: \documentclass{beamer} \usepackage{tikz} \makeatletter \newenvironment{inframe}[2][1]{...

 
10:00 AM
@AndrewStacey I'm in a PC with an (slightly) outdated TeX install. How many slides should I get? /blushes
 
@PauloCereda You should get six slides. What needs testing is what happens when the argument to the inframe environment is changed. By varying from 1 to 4 you should get different pictures appearing.
 
10:11 AM
@AndrewStacey I get the same picture. :( Tried in another machine too, the output is the same.
@Jake: could you wait just a little more? I'm waiting for the interview room to be unfrozen. :)
 
@PauloCereda Sure. I'll be around for a while.
 
@AndrewStacey: exactly the same here as well
that is, the same picture, regardless of the argument to inframe
@AndrewStacey: I think the definition of the inframe environment had a mistake. You say it takes two arguments and the default is 1 for the optional argument. Thing is, you provide only one argument in the invocation and use #1 everywhere. So the default value of 1 is used. If I change it to take only one argument and no default value for it, the code works as expected.
Alternatively, you can just change #1 to #2 in the defintion, but since the other supposed argument is unused, that doesn't make much sense. Unless you had some intended use in mind for that second argument.
 
10:34 AM
@wh1t3 A-ha! That's it. Thanks. (Explanation: I added the optional argument in the middle of writing the post - and after posting the code - since I figured out the need for adjusting beamerpauses. I thought I'd changed the posted code correctly but now that I look closely, I didn't.)
 
@AndrewStacey nice answer otherwise by the way. I didn't know about \beamer@slideinframe, it doesn't appear to be in the docs.
 
... and of course, when testing the questioners test, I cut-and-pasted it into my copy of the code which was correct.
 
yeah, always nice to look for bugs in the version of the code that doesn't have them :)
 
@wh1t3 Nor did I! I went digging. Don't know if you can see it, but I originally posted an answer based on a misunderstanding of the question. After realising that, I felt a moral obligation to at least try to answer the question.
 
Excellent answer though, +1 :)
No, my measly reputation doesn't allow me to see deleted answers of other users :(
 
10:38 AM
Okay, could everyone try again, please? And please cut-and-paste from my answer rather than changing what you cut-and-pasted from before (since that was the source of the problem in the first place).
 
@AndrewStacey It works! It works! It works! (optional video: youtube.com/watch?v=10KObAQFmlY )
 
@PauloCereda Great! (I'm extremely wary of clicking on any links that you give ...)
 
@PauloCereda It's snowing, finally. :(
 
@AndrewStacey I understand. :) BTW, the WAT video I linked yesterday is worth to watch: destroyallsoftware.com/talks/wat :)
@egreg Oh the trains will delay. :(
 
Same over there, huh?
That's how it works here as well, two flakes of snow ==> busses stop running.
Well, that's a bit of an exageration, but we don't deal well with snow.
 
10:50 AM
Yay, thanks @JosephWright! :)
@Jake: the room is now unfrozen, are you available now? :)
 
@PauloCereda Let's do this!
 
Let's go guys! A new interview is about to begin!

 TeXtalk - Interviews

Interviews for our community blog.
 
 
1 hour later…
12:01 PM
Joseph Wright has added an event to this room's schedule.
 
@StackExchange I will probably only make the last 30-40 minutes, but will at least pop in!
 
12:41 PM
@BrunoLeFloch: nice question: tex.stackexchange.com/questions/43013 . I'm not sure it's easily achieved though. There's a voice echoing "reflection! reflection!" inside my mind, but I still need to figure out how to get there. :) Metaprogramming is very challenging, but the meta layer needs to be known for you to extract things from code. :)
 
 
2 hours later…
3:06 PM
@PauloCereda I think your feature request about the google+ icon was unfairly declined. Then I observed that the SO, SF and SU g+ icons are less saturated and therefore I made a new feature request: meta.tex.stackexchange.com/questions/2216/…
 
@NN wow thanks! Great idea of the new feature request. :) I wonder why the SO overlords don't accept a tiny color correction. :)
 
@PauloCereda Let's pester then with feature requests til they give up and desaturate it!
3
 
@NN Yay! :) I love the sound of it! They even had silly hats and unicorn avatars, what's the big deal of changing an icon?
 
@PauloCereda I upvoted your post.
 
@LordStryker aww thanks! :)
 
 
1 hour later…
4:29 PM
2
Q: BibTeX: where to write Sir in author's name?

IgorMy bibtex style outputs Newton, S. I. Opticks, or a treatise of the reflections, refractions, inflections and colours of light [Text] / Sir Isaac Newton. [S. l.], 1730. 382 p. Google Books : XXu4AkRVBBoC. for the following BibTeX entry @BOOK{IsaacNewton, author = {Newton, Sir Isaac}, ...

I always thought titles doesn't go into bibliography entries.
At least, I don't have a DVD from "Sir Paul McCartney". :P
 
@PauloCereda My opinion is the same.
 
 
2 hours later…
6:38 PM
Hoswagoin, I'd appreciate it if somebody could tell me if there's an easy way to access the most recent questions.
 
@MarcvanDongen If you click on the Questions link and then you can click on Newest.
 
 
1 hour later…
8:07 PM
I wonder why there is no dedicated 'Chemistry' site on SE. I see one for Physics and Biology however.
 
@LordStryker There's one proposed
The question is (for me) 'Exactly what is the target?'
You can see with the maths site that there is an issue deciding if it's a free-for-all or meant to focus on 'serious' material
 
I'd go in Chemistry if they teach me how to explode things. :)
 
Well, not that this directly answers your question but while Chemistry overlaps with other fields, particularly physics, there must be a dividing line that separate the two enough to have two schools of thought and therefore, that should be exploited here on SE
And as a chemist myself, I feel rather out of place in SE with regards to Chemistry related interests.
 
@LordStryker 'All science is physics or stamp-collecting' :-)
 
@PauloCereda I've been in chemistry for only 7 years really (short amount of time) but the only explosions we ever did were Calorimetry (quite boring really) and accidental ones.
 
8:13 PM
Isn't the division of sciences a broadly 20th century idea anyway
 
@JosephWright Could we not direct all science to simply math?
 
@LordStryker I blew up a solvent waste bottle once. This was BAD
 
@TorbjørnT Indeed.
@JosephWright Ouch.
 
@LordStryker Yup: safety specs did their job, phew
Blew the front and back out of my fume hood!
 
8:15 PM
Physical chemistry lab. A group of girls were doing bomb calorimetry and thought a slight variation in the packing sample weight was 'too small to matter.' One explosion and 12 ceiling tiles later, they reconsidered while being stripped to their knickers under the lab shower.
 
@LordStryker Ah, a variation on the less dangerous 'the name in the lab script looks similar to the one on this bottle: it's probably the same thing' approach
 
Can anyone here point me to the question raised about a Chemistry community here on SE? I'd like to read up on it and perhaps weigh in.
 
109
Chemistry

Proposed Q&A site for scientists, academics, teachers and students

Currently in commitment.

 
@JosephWright :D And that is what separates the graduates from the undergraduates.
 
@LordStryker Oh yes
 
8:17 PM
So to commit, I must enter my full/real name or can I just use my handle?
 
@LordStryker Same user approach as here, I think
My issue is that the 'top questions' are all pretty basic, and there is the 'homework question' issue.
 
I am just never comfortable with putting my real identity/info on the internet.
@JosephWright That is why the mods should downvote/remove those posts like mad especially out of the gate.
 
@LordStryker If they are there at the commitment stage, then the mods could have some issues
 
Well it seems as though in 1 yr. time they have reached 54% commitment level. So in another year I should perhaps expect an email announcing the beta phase. *sigh
 
8:33 PM
Let's elect @JosephWright for Chemistry moderation. :)
2
 
@PauloCereda I'm serious about the 'what is the scope' question. Remember I can see the issues mods on other sites are having, via the mod-only chat
TeX.sx works because the scope is clear: the number of edge cases is tiny compared with the number of clearly on-topic questions
 
@JosephWright Indeed. Even the marginally off-topic questions might have some relation with TeX.
 
Perhaps we should think outside the box. Perhaps the 'Physics' community should be 'expanded' (aka relabeled') into Physics & Chemistry?
Funnel all current chemistry committees into Physics and boom. Done.
 
Is there any flag to check if a citation is undefined?
 
8:52 PM
@PauloCereda Every citation key is undefined the first time it is used.
 
@egreg Ah true, my bad. :)
 
And it remains undefined until you run BibTeX or add the reference in the thebibliography environment
Throwing an error for an undefined citation is nonsense.
 
@egreg Indeed, I saw it now. :(
I thought about adding a marginal symbol wherever a [?] is found.
 
9:07 PM
@PauloCereda That might be an idea.
 
@egreg It might take a while for me to figure out. :)
 
With the original definition it should be sufficient to say \patchcmd{\@citex}{\hbox}{\marginpar{[?]}\hbox}{}{} (package etoolbox and the usual \makeatletter and \makeatother)
 
@egreg You can imagine setting the warning to give an error for a 'final' run, say using the LaTeX3 message-filtering approach
 
@JosephWright This might be; but of course it requires changing the document. A big problem is that people only look at the response of the front-end and ignore warnings.
Tell Bruno to implement sorting of sequences, I need it for an answer. :)
 
@egreg I'm thinking long-term: it might be a nice feature to add to LaTeX3 (not just for citations - I mean in general)
@egreg I think he has some real work to do!
@egreg Have you seen l3sort on the GitHub site?
 
9:14 PM
@JosephWright expl3? :P
 
@JosephWright Not yet. I'm confident it will be implemented, sooner or later.
 
@PauloCereda Physics, I think
 
@JosephWright The idea is of course good.
 
@egreg \seq_sort:Nn <sequence> <comparison code>
 
@JosephWright Is there also a "string comparison"?
 
9:16 PM
@BrunoLeFloch Is l3sort ready for me to check over and move to l3experimental?
@egreg I don't follow
Bruno has lots of ideas: the trouble is getting them from l3trial ('some ideas') to l3experimental ('release to the wider world') and on to l3kernel ('this really is a good idea')
 
@JosephWright You can sort by numbers or by lexicographic order
 
@egreg You set <comparison code> as you want, I think.
 
I believe you've seen the topic where this is needed.
 
Er sorry to bother, but how can I discover how \cite is implemented? \meaning\cite doesn't expand. :(
 
   \clist_set:Nn \l_foo_clist { 3 , 01 , -2 , 5 , +1 }
   \clist_sort:Nn \l_foo_clist
     {
       \int_compare:nNnTF { #1 } > { #2 }
         { \sort_reversed: }
         { \sort_ordered: }
     }
@PauloCereda It's complicated!
Try {\let\protect\show\cite}
 
9:19 PM
@PauloCereda texdef -t latex cite; you see that what's called is \@citex
 
@egreg May have missed it
 
@JosephWright The "chemistry related" chat
 
@egreg Ah right. Prod @BrunoLeFloch some more, then
 
@PauloCereda Then you do texdef -t latex @citex and look where the ? is printed.
 
Once we have a use case 'in the wild', it's easier to justify adding stuff
 
9:23 PM
@egreg, @JosephWright: I owe you guys a drink.
 
@PauloCereda If you want to do that during a LaTeX run, then load xpatch and do \xshowcmd\cite; you need to run LaTeX from the shell, of course. It's faster than with \meaning that forces you to go and look at the PDF.
 
Right, I'm reading over l3sort now to see what if anything needs addressing
Looks okay, I'll move to l3experimental if @BrunoLeFloch agrees
@egreg Does the code I pasted above look okay as an interface for sorting?
 
@JosephWright Seems easier than \prg_quicksort
 
@egreg Well yes, that's the idea
Bruno's argument was, more or less, that an expandable sort is all very clever but is slow, scales badly (quadratic, I think) and is not really that useful
 
@JosephWright Maybe \int_compare_p:nNn? Without the two arguments
 
9:35 PM
@egreg I'd suggested something along these lines
I assume you mean with logic 'if FALSE, reverse the two items'
 
@JosephWright The two arguments TF are obvious, aren't they?
They're implicit in the test operator.
I agree that expandable sort is slow and perhaps not very useful. Probably an unexpandable version is faster and still useful.
After all, also \seq_map_inline:nn isn't expandable and very useful!
 
3
A: Could we lighten up the Google+ icon a little?

JinI have desaturated the red in G+ by 30%. It will be in the next production build. (you may have to do a hard refresh).

We won?
That's it?
 
@PauloCereda Yah
 
@JosephWright Yay!
I want to celebrate our victory by running randomly while the Benny Hill theme plays in the background!
 
@PauloCereda The drastic answer "We won't do that" has been deleted
@PauloCereda Why not the Monty Python tune?
 
9:40 PM
@egreg Indeed! Peer pressure. :)
 
@egreg Oh, I remember the issue. The predicate comparisons are only available for expandable tests, so you couldn't use \tl_if_eq:nn(TF) for example.
 
@egreg Nice one! Sousa's Liberty bell it is! (I think it's this one...)
 
Another "don't-do-that" tag worthy question
1
Q: Improved kerning in fractions?

Todd LehmanQuestion How can I apply selective kerning within the numerator and denominator of an inline fraction? Specifically, I'd like to: Tighten kerning after the numerator if it ends in 7 Loosen kerning after the numerator if it ends in 4 Tighten kerning before the denominator if it begins with 4 Lo...

 
@egreg So many fractions! :)
 
@PauloCereda The name of the package nicefrac is wrong: it should be `uglyfrac. Those things are good for recipe books. :)
 
9:50 PM
@egreg LOL :)
 
@egreg That's why I dropped this approach from siunitx
 
@JosephWright People use them, but in a technical paper they're out of place. I'd abolish them everywhere, to tell the truth.
 
Note to self: update your TeX distro more often. :P
 
@PauloCereda Lazio-Milan 2-0. :)
 
@egreg Yay, Hernanes and Rocchi. :) Juve can be now 4 points ahead. :)
 
10:26 PM
@egreg: your code works like a charm! I could even put the missing citation!
@egreg: I think it's worth a package. :)
 
@PauloCereda Too many variations possible, nowadays: biblatex, natbib, and some other package.
Everyone using their own methods.
 
@egreg Oh. :)
@egreg Anyway, your code made my day. :) I almost fell off my chair. :)
 
I've just voted to reopen N.N.'s meta question on that annoying article. Needs 4 more votes to reopen (see my comments there as to why).
I mean annoying icon
 
Link?
Whoop, found it
 
10:43 PM
@PauloCereda I'm quite an expert in patching commands. :)
The next version of xpatch will sport regex substitution! Thanks to Bruno, of course.
 
10:56 PM
@egreg Cool! Will you give any LaTeX course for the TeX-impaired? Sign me in. :)
@AndrewStacey Two more votes and the question is open again! :)
 
11:14 PM
@PauloCereda What's the point in reopening it?
 
@egreg Andrew mentioned principle, so I'd say the question was closed by assuming the issue was SO related instead of local.
Either way is fine. Let's see how the icon will look. :)
 
@PauloCereda The two questions on Meta.TeX seem almost the same to me.
And there's a "status-completed" tag on your question, now.
 
@allanmunn Thanks! That worked.
 
@egreg You are right, the second question was opened because the first one received a "status-declined" tag from the SE staff. Maybe it's better to keep the second one closed. :)
@egreg: Palmeiras announced today a new advertiser for the uniform: Kia Motors. :)
 

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