8.42.2 Greatest hits from previous weeks

8.42.2.1 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?
8.42.2.2 Where do I place my own .sty or .cls files, to make them available to all my .tex files?
8.42.2.3 How to align a set of multiline equations
8.42.2.4 Integrating Grammarly with online LaTeX editors such as overleaf?
8.42.2.5 Dictionary for TeXstudio: 'No dictionary Available'
8.42.2.6 How to write two dot above a letter?
8.42.2.7 Change image size
8.42.2.1 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 391
answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 Score of 340
8.42.2.2 Where do I place my own .sty or .cls files, to make them available to all my .tex files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1137

I know how to define a package or a class, but how do I make it available (to myself) at all times? 
Say I have the package file commonstuff.sty (or myprettyclass.cls), that I want to be able to ... 
[packages] [installing] [document-classes] [texmf]
 
asked by Tomas Aschan https://tex.stackexchange.com/landing/r/digest?cta=user&id=223 Score of 600
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 379
8.42.2.3 How to align a set of multiline equations

https://tex.stackexchange.com/landing/r/digest?cta=question&id=44450

I am trying to align a set of long equations, that are themselves align environments as most of them are spreading on multiple lines. 
Currently I just have a sequence of align environments, with ... 
[equations] [align]
 
asked by Thomas 122 https://tex.stackexchange.com/landing/r/digest?cta=user&id=11737 Score of 121
8.42.2.4 Integrating Grammarly with online LaTeX editors such as overleaf?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=333947

Grammarly does not work with LaTex, but I believe it still can be helpful: 
I like to use Grammarly Chrome extension with an online Latex editor. I tried sharelatex, overleaf , authorea and verbosus ... 
[tools] [online] [grammar]
 
asked by Woeitg https://tex.stackexchange.com/landing/r/digest?cta=user&id=93219 Score of 136
8.42.2.5 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 104
answered by Peter Jansson https://tex.stackexchange.com/landing/r/digest?cta=user&id=19384 Score of 143
8.42.2.6 How to write two dot above a letter?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=152951

the two dots above a letter represents two derivative of varible t. 
My method: 
\documentclass[UTF8]{ctexart} 
\usepackage{amsmath} 
\usepackage{amssymb} 
\usepackage{graphicx} 
\usepackage{epstopdf} 
\... 
[math-mode] [accents]
 
asked by mma https://tex.stackexchange.com/landing/r/digest?cta=user&id=43727 Score of 130
answered by Cain https://tex.stackexchange.com/landing/r/digest?cta=user&id=28428 Score of 180
8.42.2.7 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 107
answered by DJJerome https://tex.stackexchange.com/landing/r/digest?cta=user&id=2863 Score of 102