12.4.2 Greatest hits from previous weeks

12.4.2.1 Change image size

https://tex.stackexchange.com/landing/r/digest?cta=question&id=64836

I'm trying to change the image size (make it look smaller than the original). 
I tried with the next code but the image still shows at its original size. 
\begin{figure}[h!] 
\centering 
\... 
[graphics]
 

asked by Enrique https://tex.stackexchange.com/landing/r/digest?cta=user&id=16973 Score of 128

answered by DJJerome https://tex.stackexchange.com/landing/r/digest?cta=user&id=2863 Score of 121

12.4.2.2 bibtex vs. biber and biblatex vs. natbib

https://tex.stackexchange.com/landing/r/digest?cta=question&id=25701

I've heard of many different bibliography-related packages/platforms/?. What's the difference between the following, which is good for what tasks, advantages/disadvantages, which one is the most ... 
[bibliographies] [biblatex] [bibtex] [natbib] [biber]
 

asked by doncherry https://tex.stackexchange.com/landing/r/digest?cta=user&id=4012 Score of 690

12.4.2.3 How do I put text over symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=74125

This is difficult for me to explain, but how do I put words over a symbol? For instance, I want to add words over an equal sign. Anyone know the command/syntax for that? 
Also adding ^ doesn't cut it..... 
[syntax]
 

asked by Lemon https://tex.stackexchange.com/landing/r/digest?cta=user&id=10554 Score of 178

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 133

12.4.2.4 How to add an extra level of sections with headings below \subsubsection

https://tex.stackexchange.com/landing/r/digest?cta=question&id=60209

I have a document which requires many levels of sectioning. I have sections, subsections and subsubsections, but require one more level below that. I can't change the sections to be parts and move ... 
[sectioning] [sections-paragraphs]
 

asked by robintw https://tex.stackexchange.com/landing/r/digest?cta=user&id=495 Score of 412

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 364

12.4.2.5 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=12703

I would like to create a table with some columns' width specified, while the text in those columns should be centered both horizontally and vertically. I found out that 
\usepackage{array} 
\begin{... 
[tables] [horizontal-alignment] [width]
 

asked by Covi https://tex.stackexchange.com/landing/r/digest?cta=user&id=3970 Score of 322

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 Score of 485

12.4.2.6 Absolute Value Symbols

https://tex.stackexchange.com/landing/r/digest?cta=question&id=43008

What is the "best LaTeX practices" for writing absolute value symbols?  Are there any packages which provide good methods? 
Some options include |x| and \mid x \mid, but I'm not sure which is best... 
[math-mode] [symbols]
 

asked by jamaicanworm https://tex.stackexchange.com/landing/r/digest?cta=user&id=9757 Score of 351

answered by Peter Grill https://tex.stackexchange.com/landing/r/digest?cta=user&id=4301 Score of 260

12.4.2.7 Force figure placement in text

https://tex.stackexchange.com/landing/r/digest?cta=question&id=8625

I have a problem when a lot of figures are in question. Some figures tend to "fly around", that is, be a paragraph below, although I placed them before that paragraph. I use code: 
\begin{figure}[ht] 
\... 
[floats] [positioning] [captions]
 

asked by Marin https://tex.stackexchange.com/landing/r/digest?cta=user&id=2755 Score of 694

answered by Juan A. Navarro https://tex.stackexchange.com/landing/r/digest?cta=user&id=169 Score of 856