5.5.2 Greatest hits from previous weeks

5.5.2.1 When should I use \input vs. \include?
5.5.2.2 How can I split an equation over two (or more) lines
5.5.2.3 How to change certain pages into landscape/portrait mode
5.5.2.4 Dictionary for TeXstudio: 'No dictionary Available'
5.5.2.5 Tabular: title above and caption below?
5.5.2.6 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)
5.5.2.7 Show equation number only once in align environment
5.5.2.1 When should I use \input vs. \include?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=246

There are two different commands to incorporate another file into the source of some document, \input and \include. When should I use one or the other? What are the differences between them? Are there  ... 
[include] [input]
 
asked by Phil Miller https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=60 986 votes
answered by Michael Mrozek https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=29 853 votes
5.5.2.2 How can I split an equation over two (or more) lines

https://tex.stackexchange.com/landing/r/newsletter?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/newsletter?cta=user&id=459 212 votes
answered by Will Robertson https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=179 148 votes
5.5.2.3 How to change certain pages into landscape/portrait mode

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=337

How can I change some pages into document into landscape mode, while leaving the others in portrait mode (or vice versa)? 
[landscape]
 
asked by hayalci https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=183 265 votes
answered by rcs https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=118 274 votes
5.5.2.4 Dictionary for TeXstudio: 'No dictionary Available'

https://tex.stackexchange.com/landing/r/newsletter?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/newsletter?cta=user&id=21429 75 votes
answered by Peter Jansson https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=19384 104 votes
5.5.2.5 Tabular: title above and caption below?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=15282

I have a table that I would like to put the Title above and a caption below. Intuitively (though I know how troublesome intuition can be in something like LaTeX), I should be able to do as below: 
... 
[tables] [captions]
 
asked by Alec https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2457 54 votes
answered by Herbert https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2478 39 votes
5.5.2.6 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=4268

No matter how I try to do it I always get the following error : 
! Package inputenc Error: Unicode char \u8:A^\[DiscretionaryHyphen] not set up for use with LaTeX. 
I have tried using A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]$^{\circ}$, \deg, \textdegree,  ... 
[symbols] [unicode]
 
asked by levesque https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=10 86 votes
answered by Antal Spector-Zabusky https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=1425 81 votes
5.5.2.7 Show equation number only once in align environment

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=17528

I want the equation number to be shown only at the last line, or better, somewhere in the middle of all. So instead of (1), (2), ... only (1). 
I use \begin{align} ... \end{align} 
[equations] [align]
 
asked by Theta30 https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=5350 148 votes
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3954 131 votes