7.30.2 Greatest hits from previous weeks

7.30.2.1 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 286 votes

answered by Peter Grill https://tex.stackexchange.com/landing/r/digest?cta=user&id=4301 213 votes

7.30.2.2 How do I turn off equation auto numbering

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2597

I have an equation like this: 
\begin{align} 
P(A \cup B) = \sum_{\omega \in A \cup B} P(\omega) = \sum_{\omega \in A} P(\omega) + \sum_{\omega \in B} P(\omega) 
= P(A) + P(B) 
\end{... 
[equations] [numbering]
 

asked by user1046 https://tex.stackexchange.com/landing/r/digest?cta=user&id=1046 155 votes

answered by levesque https://tex.stackexchange.com/landing/r/digest?cta=user&id=10 175 votes

7.30.2.3 Commenting out large sections

https://tex.stackexchange.com/landing/r/digest?cta=question&id=17816

To "comment out" a line, I need to insert a % at the beginning of the line (so that the line will not be compiled). 
Is there a way to comment out a large section without having to manually ... 
[comments]
 

asked by user5419 https://tex.stackexchange.com/landing/r/digest?cta=user&id=5419 377 votes

answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 296 votes

7.30.2.4 Showcase of beautiful typography done in TeX & friends

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1319

If you were asked to show examples of beautifully typeset documents in TeX & friends, what would you suggest? Preferably documents available online (I'm aware I could go to a bookstore and find ... 
[typography] [big-list] [examples]
 

asked by wishihadabettername https://tex.stackexchange.com/landing/r/digest?cta=user&id=564 906 votes

answered by a^\204\235aphink https://tex.stackexchange.com/landing/r/digest?cta=user&id=951 583 votes

7.30.2.5 How to force a table into page width?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10535

I have the following table: 
\begin{table}[htb] 
\begin{tikzpicture} 
\node (table) [inner sep=0pt] { 
\begin{tabular}{ l | l } 
{\bf Symptom} & {\bf Metric} \\ 
\hline 
Class that has many accessor ... 
[tables] [margins]
 

asked by RoflcoptrException https://tex.stackexchange.com/landing/r/digest?cta=user&id=3316 258 votes

answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 212 votes

7.30.2.6 How to add an empty line between paragraphs?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=135134

I have two sections which I'd like to separate by an empty line. Every time I press Enter, LyX removes that empty line between paragraphs. How do I prevent this? 
[spacing] [lyx]
 

asked by goldisfine https://tex.stackexchange.com/landing/r/digest?cta=user&id=37301 131 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 142 votes

7.30.2.7 Dictionary for TeXstudio: 'No dictionary Available'

https://tex.stackexchange.com/landing/r/digest?cta=question&id=87650

I have trouble spell checking my document in TeXstudio. When I press spellcheck, I get the error No dictionary Available. Am I supposed to install a dictionary separately? How? Any suggestion? 
[texstudio] [spelling] [dictionaries]
                                                                                  

                                                                                  
 

asked by N Nik https://tex.stackexchange.com/landing/r/digest?cta=user&id=21429 98 votes

answered by Peter Jansson https://tex.stackexchange.com/landing/r/digest?cta=user&id=19384 138 votes