7.13.2 Greatest hits from previous weeks

7.13.2.1 How to change color for a block of texts?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=17104

I am editing a LaTeX paper with Emacs. Sometimes I want to make a block of texts less obvious (or less important to see). Instead of totally hiding them, they should still be there. Is there an easy ... 
[color]
 

asked by SoftTimur https://tex.stackexchange.com/landing/r/digest?cta=user&id=5110 274 votes

answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 323 votes

7.13.2.2 Command for argmin or argmax?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=5223

How can you get the argmin or argmax in Latex? Two solutions I found are: 
\underset{x}{\operatorname{argmax}} 
\DeclareMathOperator*{\argmin}{arg\,min} 
Any other ideas? 
[1]http://www.breakthru.... 
[math-mode] [symbols] [math-operators]
 

asked by Alejandro https://tex.stackexchange.com/landing/r/digest?cta=user&id=1128 242 votes

answered by Jan Hlavacek https://tex.stackexchange.com/landing/r/digest?cta=user&id=396 253 votes

7.13.2.3 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2291

I've seen documentation whereby an \alph command is put around the \begin{enumerate} somewhere, but I'm not entirely sure how that operates... 
[numbering] [lists] [enumerate]
 

asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 349 votes

answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 302 votes

7.13.2.4 The \bar and \overline commands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=22100

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the ... 
[stacking-symbols]
 

asked by 3Sphere https://tex.stackexchange.com/landing/r/digest?cta=user&id=6487 160 votes

answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 86 votes

7.13.2.5 What is the "correct" way of embedding text into math mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3415

Lets say I have something like: 
\[ Let x = number of cats \] 
(This is a contrived example, but pretend we are actually inside a long align environment block...) "Let" and "number of cats" need to ... 
[math-mode]
 

asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 244 votes

7.13.2.6 How do I align an image to centre?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=53862

How do I align an image to centre? 
In a beamer presentation I have a 2-3 items on a slide followed by an image. 
The image is not wide enough to cover whole slide, so it leaves around 30% space from ... 
[beamer] [horizontal-alignment]
 

asked by epsilon8 https://tex.stackexchange.com/landing/r/digest?cta=user&id=12860 63 votes

7.13.2.7 Forcing linebreaks in \url

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3033

This question led to a new package: 
xurl 
I wish to typeset some relatively long URLs in a piece of text, and when I use \url{..}, the resulting text does not respect the margin boundaries that ... 
[line-breaking] [urls]
 

asked by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 280 votes

answered by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 213 votes