7.80.2 Greatest hits from previous weeks

7.80.2.1 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=103 312 votes

answered by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 229 votes

7.80.2.2 tlmgr cannot setup TLPDB

https://tex.stackexchange.com/landing/r/digest?cta=question&id=137428

I'm trying to update my installation of texlive 2013 under Ubuntu 13.10. 
However, I followed the instruction on this answer, but I get an error 
(running on Debian, switching to user mode!) 
cannot ... 
[errors] [texlive] [ubuntu]
 

asked by adn https://tex.stackexchange.com/landing/r/digest?cta=user&id=7561 232 votes

answered by ppr https://tex.stackexchange.com/landing/r/digest?cta=user&id=28474 218 votes

7.80.2.3 How to influence the position of float environments like figure and table in LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=39017

How to influence the position of float environments like figure and table in LaTeX? 
This is a general question and should collect useful answers for all users. I hope we can use this as a reference 
[floats] [positioning]
 

asked by Marco Daniel https://tex.stackexchange.com/landing/r/digest?cta=user&id=5239 681 votes

answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 977 votes

7.80.2.4 How can I make an enumerate list start at something other than 1?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=142

Sometimes, I want to have enumerate lists in LaTeX start at other than the first value (1, a, i, etc.) How can I make an enumerate list start at an arbitrary value? 
[lists] [numbering] [enumerate]
 

asked by vanden https://tex.stackexchange.com/landing/r/digest?cta=user&id=93 512 votes

answered by ShreevatsaR https://tex.stackexchange.com/landing/r/digest?cta=user&id=48 614 votes

7.80.2.5 What are the available "documentclass" types and their uses?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=782

Some of the available classes of documents in LaTeX are well known and widely used, such as the article and beamer classes, while others are not so well known, such as the standalone class. 
I found ... 
[document-classes] [big-list]
 

asked by Vivi https://tex.stackexchange.com/landing/r/digest?cta=user&id=14 452 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 157 votes

7.80.2.6 Absolute Value Symbols

https://tex.stackexchange.com/landing/r/digest?cta=question&id=43008

What is the "best LaTeX practices" for writing absolute value symbols?  Are there any packages which provide good methods? 
Some options include|x| and \mid x \mid, but I'm not sure which is best... 
[math-mode] [symbols]
 

asked by jamaicanworm https://tex.stackexchange.com/landing/r/digest?cta=user&id=9757 300 votes

answered by Peter Grill https://tex.stackexchange.com/landing/r/digest?cta=user&id=4301 224 votes

7.80.2.7 How can I split an equation over two (or more) lines

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3782

I am having the following equation: 
\begin{equation} 
Q(\lambda,\hat{\lambda}) = -\frac{1}{2} P(O \mid \lambda ) \sum_s \sum_m \sum_t \gamma_m^{(s)} (t) \left( n \log(2 \pi ) + \log \left| C_m^{(s)} ... 
[math-mode] [equations] [line-breaking] [breqn]
 

asked by Peter Smit https://tex.stackexchange.com/landing/r/digest?cta=user&id=459 300 votes

answered by Will Robertson https://tex.stackexchange.com/landing/r/digest?cta=user&id=179 195 votes