7.22.2 Greatest hits from previous weeks

7.22.2.1 How do I align an image to centre?
7.22.2.2 Change line spacing inside the document
7.22.2.3 Column and row padding in tables
7.22.2.4 What is the degree symbol?
7.22.2.5 How can I get bold math symbols?
7.22.2.6 Why is \newpage ignored sometimes ?
7.22.2.7 How to force a table into page width?
7.22.2.1 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 64 votes
7.22.2.2 Change line spacing inside the document

https://tex.stackexchange.com/landing/r/digest?cta=question&id=83855

This is my code 
\documentclass[12pt,a4paper]{book} 
\renewcommand{\baselinestretch}{1.5} 
\begin{document} 
\include{Chapter1} 
\end{document} 
I have please a question: 
I would change the line ... 
[line-spacing]
 
asked by researcher https://tex.stackexchange.com/landing/r/digest?cta=user&id=16097 132 votes
7.22.2.3 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 376 votes
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 317 votes
7.22.2.4 What is the degree symbol?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=384873

In order to have the following output involving the degree symbol 
I can try 
\documentclass{report} 
\begin{document} 
The angle is 30$^\circ$. 
\end{document} 
However, this is an awkward manner to ... 
[typography] [degrees]
 
asked by Viesturs https://tex.stackexchange.com/landing/r/digest?cta=user&id=114719 87 votes
answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 77 votes
7.22.2.5 How can I get bold math symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=595

To make Latin-letter variables bold I can use e.g. \mathbf{a}, but while putting Greek letters or symbols such as \nabla inside \mathbf doesn't cause any errors or warnings, it also doesn't do ... 
[fonts] [math-mode] [symbols] [bold]
 
asked by Michael Underwood https://tex.stackexchange.com/landing/r/digest?cta=user&id=32 504 votes
answered by Mark Meckes https://tex.stackexchange.com/landing/r/digest?cta=user&id=206 437 votes
7.22.2.6 Why is \newpage ignored sometimes ?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2958

I have the following towards the end of an article. The bibliography is short (4 entries). 
What's happening is that on the very last page of document I get the chart and immediately afterwards the ... 
[floats] [page-breaking]
 
asked by wishihadabettername https://tex.stackexchange.com/landing/r/digest?cta=user&id=564 151 votes
answered by Will Robertson https://tex.stackexchange.com/landing/r/digest?cta=user&id=179 217 votes
7.22.2.7 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 254 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 210 votes