10.78.2 Greatest hits from previous weeks

10.78.2.1 BibTeX: How to reduce long author lists to "Firstauthor et al."?
10.78.2.2 Why is \newpage ignored sometimes ?
10.78.2.3 How to add an extra level of sections with headings below \subsubsection
10.78.2.4 Align equation left
10.78.2.5 How to add todo notes?
10.78.2.6 Math symbol question: Vertical bar for ''evaluated at ...''
10.78.2.7 Package natbib Error: Bibliography not compatible with author-year citations
10.78.2.1 BibTeX: How to reduce long author lists to "Firstauthor et al."?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=26575

I have several entries in my list of references that include of the order of 40 authors. 
Is there a way to make bibtex automatically reduce these lists to e.g. the first name + "et al."? 
I don't want ... 
[bibtex] [author-number]
 
asked by fuenfundachtzig https://tex.stackexchange.com/landing/r/digest?cta=user&id=1442 Score of 169
10.78.2.2 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 Score of 195
answered by Will Robertson https://tex.stackexchange.com/landing/r/digest?cta=user&id=179 Score of 287
10.78.2.3 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 401
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 360
10.78.2.4 Align equation left

https://tex.stackexchange.com/landing/r/digest?cta=question&id=145657

Here is my split equation: 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\begin{equation} 
\begin{split} 
a_{ijk} =& \frac {Pr(M_{I} =2  \&  M_J=1 \& M_K =1 | I=i , J=j , K=... 
[equations] [align]
 
asked by user35571 https://tex.stackexchange.com/landing/r/digest?cta=user&id=35571 Score of 137
answered by Ludovic C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=31058 Score of 130
10.78.2.5 How to add todo notes?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=9796

Is there a simple way to add todo notes to LaTeX documents ? 
I would like to have these notes in red in the generated pdf and a simple syntax to write them. 
[todonotes]
 
asked by aneuryzm https://tex.stackexchange.com/landing/r/digest?cta=user&id=3182 Score of 352
10.78.2.6 Math symbol question: Vertical bar for ''evaluated at ...''

https://tex.stackexchange.com/landing/r/digest?cta=question&id=40160

How do I insert the line "|" after the equation in LaTeX (see image below)? 
I'm using LyX so if you can point me to the symbol of that line is also OK. 
I don't know if this line has a proper name so ... 
[math-mode] [symbols] [lyx]
 
asked by cidadao https://tex.stackexchange.com/landing/r/digest?cta=user&id=10511 Score of 199
10.78.2.7 Package natbib Error: Bibliography not compatible with author-year citations

https://tex.stackexchange.com/landing/r/digest?cta=question&id=54480

I have a basic tex file and a bibliography which is exported from Mendeley 
However, when I want to cite in the author-year style, I get the error: 
Package natbib Error: Bibliography not compatible ... 
[bibtex] [errors] [natbib]
 
asked by grrrbytes https://tex.stackexchange.com/landing/r/digest?cta=user&id=13217 Score of 286
answered by Josh Porter https://tex.stackexchange.com/landing/r/digest?cta=user&id=15128 Score of 153