8.72.2 Greatest hits from previous weeks

8.72.2.1 What point (pt) font size are \Large etc.?
8.72.2.2 Column and row padding in tables
8.72.2.3 How to change certain pages into landscape/portrait mode
8.72.2.4 Using the \tab Command
8.72.2.5 tlmgr cannot setup TLPDB
8.72.2.6 Where do I place my own .sty or .cls files, to make them available to all my .tex files?
8.72.2.7 Keeping tables/figures close to where they are mentioned
8.72.2.1 What point (pt) font size are \Large etc.?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=24599

In the preamble I have: 
\documentclass[a4paper,11pt]{article} 
\usepackage{fontspec} 
\setmainfont{Arial} 
What can be inferred about the real font pt size for the following? 
\tiny, \scriptsize, \... 
[fontsize] [class-options]
 
asked by Level1Coder https://tex.stackexchange.com/landing/r/digest?cta=user&id=6825 Score of 281
8.72.2.2 Column and row padding in tables

https://tex.stackexchange.com/landing/r/digest?cta=question&id=31672

How do you guys go about controlling column padding in tables? 
Update 
To clarify, I'm looking for a way to control both vertical and horizontal padding. So, if I had a simple table like in the ... 
[tables] [spacing] [columns]
 
asked by JustDanyul https://tex.stackexchange.com/landing/r/digest?cta=user&id=8615 Score of 432
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 345
8.72.2.3 How to change certain pages into landscape/portrait mode

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

How can I change the orientation of some pages of my 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 Score of 416
answered by rcs https://tex.stackexchange.com/landing/r/digest?cta=user&id=118 Score of 431
8.72.2.4 Using the \tab Command

https://tex.stackexchange.com/landing/r/digest?cta=question&id=198432

I have seen several cases of people using the \tab command to insert a specific amount of space between objects (as opposed to the \hfill command which uses any remaining space).  However, I have ... 
[spacing]
 
asked by Mathematician https://tex.stackexchange.com/landing/r/digest?cta=user&id=49199 Score of 93
answered by Mathematician https://tex.stackexchange.com/landing/r/digest?cta=user&id=49199 Score of 103
8.72.2.5 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 Score of 236
8.72.2.6 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 617
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 387
8.72.2.7 Keeping tables/figures close to where they are mentioned

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2275

Is there any package or a method to force LaTeX to keep floating environments like table and figure closer to where they are declared? 
[floats] [positioning]
 
asked by artimess https://tex.stackexchange.com/landing/r/digest?cta=user&id=833 Score of 377
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 379