11.37.2 Greatest hits from previous weeks

11.37.2.1 Using \footnote in a figure's \caption
11.37.2.2 Making the bibliography appear in the table of contents
11.37.2.3 Problem with compiling BibTex: "no \citation commands" error
11.37.2.4 Command for argmin or argmax?
11.37.2.5 "Correct" way to bold/italicize text?
11.37.2.6 Reducing font size in equation
11.37.2.7 The \bar and \overline commands
11.37.2.1 Using \footnote in a figure's \caption

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10181

Maybe this is an easy one, but I struggled with this now too long :) 
I want to have a footnote in a caption of a figure, see the example. 
\begin{figure}[!ht] 
\caption{a figure caption\footnote{... 
[floats] [footnotes] [captions]
 
asked by Matten https://tex.stackexchange.com/landing/r/digest?cta=user&id=1125 Score of 337
answered by Dee https://tex.stackexchange.com/landing/r/digest?cta=user&id=16059 Score of 247
11.37.2.2 Making the bibliography appear in the table of contents

https://tex.stackexchange.com/landing/r/digest?cta=question&id=8458

I need to make my (BibTeX) references section appear in the table of contents of my LaTeX document (documentclass: article), with section numbering too. 
My approach until now has been making a new ... 
[sectioning] [table-of-contents] [bibliographies]
 
asked by Genba https://tex.stackexchange.com/landing/r/digest?cta=user&id=2311 Score of 265
answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 Score of 196
11.37.2.3 Problem with compiling BibTex: "no \citation commands" error

https://tex.stackexchange.com/landing/r/digest?cta=question&id=18045

I'm really new to BibTex, I just wonder what is going wrong when I have this kind of error when I try to compile my bibliography file. 
I found no \citation commands---while reading file masterthesis.... 
[bibliographies] [bibtex]
 
asked by zfm https://tex.stackexchange.com/landing/r/digest?cta=user&id=3559 Score of 125
answered by Spike https://tex.stackexchange.com/landing/r/digest?cta=user&id=5150 Score of 49
11.37.2.4 Command for argmin or argmax?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=5223

How can you get the argmin or argmax in Latex? Two solutions I found are: 
\underset{x}{\operatorname{argmax}} 
\DeclareMathOperator*{\argmin}{arg\,min} 
Any other ideas? 
[1]http://www.breakthru.... 
[math-mode] [symbols] [math-operators]
 
asked by Alejandro https://tex.stackexchange.com/landing/r/digest?cta=user&id=1128 Score of 318
answered by Jan Hlavacek https://tex.stackexchange.com/landing/r/digest?cta=user&id=396 Score of 356
11.37.2.5 "Correct" way to bold/italicize text?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=41681

Is either of these considered better/more readable/more "proper"/more conventional than the other for making text bold? If so, what is the reason? 
I like my text \textbf{bold} 
versus: 
I like my text ... 
[best-practices] [bold] [italic]
 
asked by user541686 https://tex.stackexchange.com/landing/r/digest?cta=user&id=2694 Score of 555
answered by Todd Lehman https://tex.stackexchange.com/landing/r/digest?cta=user&id=8499 Score of 500
11.37.2.6 Reducing font size in equation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=60453

I wanted to type an equation in LaTeX. But it is too long to fit into one line. It involves big arrays with many columns so I cannot split it. I wanted to reduce the font size so that it can fit in ... 
[equations] [fontsize]
 
asked by sheet_ethics https://tex.stackexchange.com/landing/r/digest?cta=user&id=15765 Score of 177
11.37.2.7 The \bar and \overline commands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=22100

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the ... 
[stacking-symbols]
 
asked by 3Sphere https://tex.stackexchange.com/landing/r/digest?cta=user&id=6487 Score of 198
answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 Score of 108