9.3.2 Greatest hits from previous weeks

9.3.2.1 How to prevent LaTeX from hyphenating the entire document?
9.3.2.2 The \bar and \overline commands
9.3.2.3 How can I get bold math symbols?
9.3.2.4 Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (A^\[DownExclamation]) or question mark (A^\[DownQuestion])?
9.3.2.5 How to write two dot above a letter?
9.3.2.6 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?
9.3.2.7 What are the available "documentclass" types and their uses?
9.3.2.1 How to prevent LaTeX from hyphenating the entire document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=5036

I can't find where I can remove any kind of hyphenation and just have LaTeX just do a line break. 
edit: 
Honestly speaking I just don't like to read hyphenation anywhere and that's the only reason why ... 
[hyphenation]
 
asked by Splashy https://tex.stackexchange.com/landing/r/digest?cta=user&id=1713 Score of 243
answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 Score of 210
9.3.2.2 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 179
answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 Score of 98
9.3.2.3 How can I get bold math symbols?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=595

To make Latin-letter variables bold I can use e.g. \mathbf{a}, but while putting Greek letters or symbols such as \nabla inside \mathbf doesn't cause any errors or warnings, it also doesn't do ... 
[fonts] [math-mode] [symbols] [bold]
 
asked by Michael Underwood https://tex.stackexchange.com/landing/r/digest?cta=user&id=32 Score of 592
answered by Mark Meckes https://tex.stackexchange.com/landing/r/digest?cta=user&id=206 Score of 501
9.3.2.4 Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (A^\[DownExclamation]) or question mark (A^\[DownQuestion])?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2369

When typing < or > in LaTeX and compiling with pdflatex, the less than and greater than symbols appear at upside down exclamation points. I'm not in math mode. 
[symbols] [punctuation] [font-encodings]
 
asked by biased_estimator https://tex.stackexchange.com/landing/r/digest?cta=user&id=996 Score of 310
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 278
9.3.2.5 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 134
answered by Cain https://tex.stackexchange.com/landing/r/digest?cta=user&id=28428 Score of 187
9.3.2.6 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 403
answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 Score of 357
9.3.2.7 What are the available "documentclass" types and their uses?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=782

Some of the available classes of documents in LaTeX are well known and widely used, such as the article and beamer classes, while others are not so well known, such as the standalone class. 
I found ... 
[document-classes] [big-list]
 
asked by Vivi https://tex.stackexchange.com/landing/r/digest?cta=user&id=14 Score of 480
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 160