8.52.2 Greatest hits from previous weeks

8.52.2.1 What are the available "documentclass" types and their uses?
8.52.2.2 TeXnicCenter & Adobe Reader DC
8.52.2.3 Where do I place my own .sty or .cls files, to make them available to all my .tex files?
8.52.2.4 How can I have two tables side by side?
8.52.2.5 Subfigures side by side with captions
8.52.2.6 How to add an empty line between paragraphs?
8.52.2.7 Table with multiple lines in some cells
8.52.2.1 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 Score of 468
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 159
8.52.2.2 TeXnicCenter & Adobe Reader DC

https://tex.stackexchange.com/landing/r/digest?cta=question&id=250472

How to configure TeXnicCenter to work with Adobe Reader DC? When I building and view current file .tex the following error "Can not execute the command" shows up and the PDF is not generated. 
If ... 
[pdf] [texniccenter] [adobe]
 
asked by Walter Silva https://tex.stackexchange.com/landing/r/digest?cta=user&id=80192 Score of 62
answered by JiAo\231A~\[DiscretionaryHyphen] ChmelA~\[DiscretionaryHyphen]k https://tex.stackexchange.com/landing/r/digest?cta=user&id=82051 Score of 82
8.52.2.3 Where do I place my own .sty or .cls files, to make them available to all my .tex files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1137

I know how to define a package or a class, but how do I make it available (to myself) at all times? 
Say I have the package file commonstuff.sty (or myprettyclass.cls), that I want to be able to ... 
[packages] [installing] [document-classes] [texmf]
 
asked by Tomas Aschan https://tex.stackexchange.com/landing/r/digest?cta=user&id=223 Score of 607
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 382
8.52.2.4 How can I have two tables side by side?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2832

Suppose I have two tables that don't have many columns (3, for example). How can I position them side by side? 
[tables] [positioning]
 
asked by bada https://tex.stackexchange.com/landing/r/digest?cta=user&id=572 Score of 213
answered by TH. https://tex.stackexchange.com/landing/r/digest?cta=user&id=647 Score of 192
8.52.2.5 Subfigures side by side with captions

https://tex.stackexchange.com/landing/r/digest?cta=question&id=119984

I am using the following code to put my two figures side by side with different captions, 
\begin{figure*}[t!] 
\centering 
\begin{subfigure}[b]{0.5\textwidth} 
\centering 
\... 
[captions] [subfloats]
 
asked by Sait https://tex.stackexchange.com/landing/r/digest?cta=user&id=14611 Score of 118
answered by latex user https://tex.stackexchange.com/landing/r/digest?cta=user&id=25372 Score of 159
8.52.2.6 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 Score of 145
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 159
8.52.2.7 Table with multiple lines in some cells

https://tex.stackexchange.com/landing/r/digest?cta=question&id=40561

What is the easiest way to have 2 lines in some of the cells in a table? 
The only way I can think right now is to actually have 2 separate rows (without the line in the middle) and use \multirow on ... 
[tables]
 
asked by Grzenio https://tex.stackexchange.com/landing/r/digest?cta=user&id=3329 Score of 202
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 186