6.13.2 Greatest hits from previous weeks

6.13.2.1 What is the LaTeX command for "em dash" (a^\200\224)?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=53413

I am trying to insert the symbol in the title of the question, which I copied from a PDF article, but it appears as space in the output file. What is the corresponding LaTeX command? 
[symbols] [punctuation]
 

asked by Tarek https://tex.stackexchange.com/landing/r/digest?cta=user&id=13964 260 votes

answered by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 282 votes

6.13.2.2 What is the difference between \dfrac and \frac?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=135389

The title says it all, both \dfrac{a}{b} and \frac{a}{b} make fractions, so what is the difference between the two? 
[math-mode] [amsmath]
 

asked by YYC https://tex.stackexchange.com/landing/r/digest?cta=user&id=37383 118 votes

6.13.2.3 How to add todo notes?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=9796

Is there a simple way to add todo notes to LaTeX documents ? 
I would like to have these notes in red in the generated pdf and a simple syntax to write them. 
[todonotes]
 

asked by aneuryzm https://tex.stackexchange.com/landing/r/digest?cta=user&id=3182 262 votes

6.13.2.4 How to install "vanilla" TeXLive on Debian or Ubuntu?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1092

Debian and Ubuntu have very good texlive packaging. But I'd like to use tlmgr to have a more fine-grained control about upgrades and which packages I want to be installed. 
So how do I install  ... 
[packages] [texlive] [installing] [linux] [tlmgr]
 

asked by Dima https://tex.stackexchange.com/landing/r/digest?cta=user&id=137 277 votes

answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 78 votes

6.13.2.5 Using multicolumn in latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=131867

I want to create a table like this using Latex 
|               sets            | 
| 1 | 2 | 3 | 4 | 5 | 6 |  ... 
[multicolumn]
 

asked by mahmood https://tex.stackexchange.com/landing/r/digest?cta=user&id=36294 70 votes

answered by m0nhawk https://tex.stackexchange.com/landing/r/digest?cta=user&id=9790 98 votes

6.13.2.6 Remove ugly borders around clickable cross-references and hyperlinks

https://tex.stackexchange.com/landing/r/digest?cta=question&id=823

I know that I can use hyperref to make cross-references and hyperlinks clickable.  That makes the clickable areas outlined in fluorescent green, however.  How can I make the green boxes go away? 
[hyperref] [color] [boxes] [links]
 

asked by Vebjorn Ljosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=35 765 votes

answered by meep.meep https://tex.stackexchange.com/landing/r/digest?cta=user&id=3735 767 votes

6.13.2.7 What can I use to typeset MATLAB code in my document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=75116

This question led to a new package: 
matlab-prettifier 
Does anybody have a quick and easy way to typeset some relatively long MATLAB code in the appendix? I looked up a few methods, and the  ... 
[listings] [highlighting] [matlab]
 

asked by suzu https://tex.stackexchange.com/landing/r/digest?cta=user&id=19279 105 votes