10.76.2 Greatest hits from previous weeks

10.76.2.1 Dictionary for TeXstudio: 'No dictionary Available'
10.76.2.2 BibTeX loses capitals when creating .bbl file
10.76.2.3 pdfTeX error (font expansion): auto expansion is only possible with scalable
10.76.2.4 How to influence the position of float environments like figure and table in LaTeX?
10.76.2.5 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?
10.76.2.6 Math symbol question: Vertical bar for ''evaluated at ...''
10.76.2.7 Change image size
10.76.2.1 Dictionary for TeXstudio: 'No dictionary Available'

https://tex.stackexchange.com/landing/r/digest?cta=question&id=87650

I have trouble spell checking my document in TeXstudio. When I press spellcheck, I get the error No dictionary Available. Am I supposed to install a dictionary separately? How? Any suggestion? 
[texstudio] [spelling] [dictionaries]
 
asked by N Nik https://tex.stackexchange.com/landing/r/digest?cta=user&id=21429 Score of 111
10.76.2.2 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 363
answered by Yossi Gil https://tex.stackexchange.com/landing/r/digest?cta=user&id=3391 Score of 376
10.76.2.3 pdfTeX error (font expansion): auto expansion is only possible with scalable

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10706

I'm using a custom class file. 
My main file looks like this: 
\documentclass[12pt,a4paper]{thesis} 
\begin{document} 
\frontmatter 
\pagenumbering{alph} 
\pagenumbering{roman} 
\clearpage 
... 
[fonts] [errors] [microtype] [font-expansion]
 
asked by Elmer https://tex.stackexchange.com/landing/r/digest?cta=user&id=3338 Score of 113
10.76.2.4 How to influence the position of float environments like figure and table in LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=39017

How to influence the position of float environments like figure and table in LaTeX? 
This is a general question and should collect useful answers for all users. I hope we can use this as a reference 
[floats] [positioning]
 
asked by Marco Daniel https://tex.stackexchange.com/landing/r/digest?cta=user&id=5239 Score of 732
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 Score of 1048
10.76.2.5 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2291

I've seen documentation whereby an \alph command is put around the \begin{enumerate} somewhere, but I'm not entirely sure how that operates... 
[numbering] [lists] [enumerate]
 
asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 Score of 445
answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 Score of 391
10.76.2.6 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
10.76.2.7 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 125
answered by DJJerome https://tex.stackexchange.com/landing/r/digest?cta=user&id=2863 Score of 118