9.42.2 Greatest hits from previous weeks

9.42.2.1 Using \footnote in a figure's \caption
9.42.2.2 Forcing linebreaks in \url
9.42.2.3 Problem with compiling BibTex: "no \citation commands" error
9.42.2.4 TexMaker - "File not found" when viewing as pdf
9.42.2.5 What point (pt) font size are \Large etc.?
9.42.2.6 How can I split an equation over two (or more) lines
9.42.2.7 BibTeX loses capitals when creating .bbl file
9.42.2.1 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 321
answered by Dee https://tex.stackexchange.com/landing/r/digest?cta=user&id=16059 Score of 233
9.42.2.2 Forcing linebreaks in \url

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3033

This question led to a new package: 
xurl 
I wish to typeset some relatively long URLs in a piece of text, and when I use \url{..}, the resulting text does not respect the margin boundaries that govern ... 
[line-breaking] [urls]
 
asked by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 Score of 344
answered by Suresh https://tex.stackexchange.com/landing/r/digest?cta=user&id=103 Score of 249
9.42.2.3 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 110
answered by Spike https://tex.stackexchange.com/landing/r/digest?cta=user&id=5150 Score of 43
9.42.2.4 TexMaker - "File not found" when viewing as pdf

https://tex.stackexchange.com/landing/r/digest?cta=question&id=45900

At the moment I'm having a problem when trying to view my LaTeX file as a PDF. Whether I do it internal or external I both the error "File not found.". 
I have no idea what file it means. I've read ... 
[errors] [pdf] [texmaker]
 
asked by Floris Devriendt https://tex.stackexchange.com/landing/r/digest?cta=user&id=12124 Score of 35
9.42.2.5 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 287
9.42.2.6 How can I split an equation over two (or more) lines

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3782

I am having the following equation: 
\begin{equation} 
Q(\lambda,\hat{\lambda}) = -\frac{1}{2} P(O \mid \lambda ) \sum_s \sum_m \sum_t \gamma_m^{(s)} (t) \left( n \log(2 \pi ) + \log \left| C_m^{(s)} ... 
[math-mode] [equations] [line-breaking] [breqn]
 
asked by Peter Smit https://tex.stackexchange.com/landing/r/digest?cta=user&id=459 Score of 344
answered by Will Robertson https://tex.stackexchange.com/landing/r/digest?cta=user&id=179 Score of 213
9.42.2.7 BibTeX loses capitals when creating .bbl file

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10772

Titles of articles I'm about to cite contain upper case letters and when using BibTeX it converts them to lower case ones. This happens only in the title and only the first letter conserves its case. ... 
[bibtex] [capitalization]
 
asked by Crowley https://tex.stackexchange.com/landing/r/digest?cta=user&id=649 Score of 343
answered by Yossi Gil https://tex.stackexchange.com/landing/r/digest?cta=user&id=3391 Score of 359