7.76.2 Greatest hits from previous weeks

7.76.2.1 Scale image to page width?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=39147

I use 
\inclugraphics[scale=TRYING TO GUESS THE NUMBER FOR PAGE WIDTH]{...} 
but I find this errorsome, is there some ready flag to set the image to page width? I usually use PNG and JPG photos. 
[graphics] [scaling]
 

asked by hhh https://tex.stackexchange.com/landing/r/digest?cta=user&id=2956 258 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 240 votes

7.76.2.2 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 123 votes

answered by Cain https://tex.stackexchange.com/landing/r/digest?cta=user&id=28428 171 votes

7.76.2.3 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 227 votes

7.76.2.4 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=12703

I would like to create a table with some columns' width specified, while the text in those columns should be centered both horizontally and vertically. I found out that 
\usepackage{array} 
\begin{... 
[tables] [horizontal-alignment] [width]
 

asked by Covi https://tex.stackexchange.com/landing/r/digest?cta=user&id=3970 283 votes

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 439 votes

7.76.2.5 How to add an empty line between paragraphs?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=135134

I have two sections which I'd like to separate by an empty line. Every time I press Enter, LyX removes that empty line between paragraphs. How do I prevent this? 
[spacing] [lyx]
 

asked by goldisfine https://tex.stackexchange.com/landing/r/digest?cta=user&id=37301 136 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 148 votes

7.76.2.6 Displaying the binomial coefficient symbol in math mode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=127707

The problem is caused by the symbol of binomial coefficient (symbol of Newton), often used in math: 
{N}\choose{k} 
In my document I have formula: 
$$ P(A) = \sum P(\{ (e_1,...,e_N) \})  =  {N}\choose{... 
[math-mode] [symbols]
 

asked by MC2DX https://tex.stackexchange.com/landing/r/digest?cta=user&id=21025 143 votes

7.76.2.7 Crop an inserted image?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=57418

I'm inserting an image with a simple: 
\includegraphics[height=5cm]{filename.png} 
This results in an image that maintains the aspect ratio, and so gives me something like 6cm width. I only really ... 
[graphics] [crop]
 

asked by naught101 https://tex.stackexchange.com/landing/r/digest?cta=user&id=13192 262 votes