6.72.2 Greatest hits from previous weeks

6.72.2.1 How do I align an image to centre?
6.72.2.2 Show equation number only once in align environment
6.72.2.3 How to influence the position of float environments like figure and table in LaTeX?
6.72.2.4 Forcing linebreaks in \url
6.72.2.5 Showcase of beautiful typography done in TeX & friends
6.72.2.6 Double line spacing
6.72.2.7 How to change certain pages into landscape/portrait mode
6.72.2.1 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
6.72.2.2 Show equation number only once in align environment

https://tex.stackexchange.com/landing/r/digest?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/digest?cta=user&id=5350 204 votes
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 184 votes
6.72.2.3 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 646 votes
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 929 votes
6.72.2.4 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=103 274 votes
answered by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 210 votes
6.72.2.5 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=564 874 votes
answered by a^\204\235aphink https://tex.stackexchange.com/landing/r/digest?cta=user&id=951 567 votes
6.72.2.6 Double line spacing

https://tex.stackexchange.com/landing/r/digest?cta=question&id=819

I would like to typeset a draft of my document with double linespacing so that my collaborators have space to write in their edits (with a pen).  How do I do it? 
[line-spacing] [setspace]
 
asked by Vebjorn Ljosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=35 214 votes
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 156 votes
6.72.2.7 How to change certain pages into landscape/portrait mode

https://tex.stackexchange.com/landing/r/digest?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/digest?cta=user&id=183 343 votes
answered by rcs https://tex.stackexchange.com/landing/r/digest?cta=user&id=118 361 votes