5.26.2 Greatest hits from previous weeks

5.26.2.1 How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?
5.26.2.2 How to create fixed width table columns with text raggedright/centered/raggedleft?
5.26.2.3 Force figure placement in text
5.26.2.4 How to change certain pages into landscape/portrait mode
5.26.2.5 What is the LaTeX command for "em dash" (a^\200\224)?
5.26.2.6 How to change color for a block of texts?
5.26.2.7 Align equation left
5.26.2.1 How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=225523

I would like to make a partial differential equation by using the following notation: 
dQ/dt 
(without / but with a real numerator and denomenator). Earlier today I got help from this page on how to  ... 
[equations]
 
asked by David https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=71265 69 votes
answered by Benjamin McKay https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=19327 5 votes
5.26.2.2 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/newsletter?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} 
... 
[tables] [horizontal-alignment] [width]
 
asked by Covi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3970 235 votes
answered by lockstep https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=510 362 votes
5.26.2.3 Force figure placement in text

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=8625

I have a problem when a lot of figures are in question. Some figures tend to "fly around", that is, be a paragraph below, although I placed them before that paragraph. I use code: 
\begin{figure}[ht] 
... 
[floats] [positioning] [captions]
 
asked by Marin https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2755 436 votes
answered by Juan A. Navarro https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=169 532 votes
5.26.2.4 How to change certain pages into landscape/portrait mode

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=337

How can I change some pages into document into landscape mode, while leaving the others in portrait mode (or vice versa)? 
[landscape]
 
asked by hayalci https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=183 281 votes
answered by rcs https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=118 296 votes
5.26.2.5 What is the LaTeX command for "em dash" (a^\200\224)?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=53413

I am trying to insert the symbol in the title of the question, which I copied from a PDF article, but it appears as space in the output file. What is the corresponding LaTeX command? 
[symbols] [punctuation]
 
asked by Tarek https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13964 229 votes
answered by Keks Dose https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4736 241 votes
5.26.2.6 How to change color for a block of texts?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=17104

I am editing a LaTeX paper with Emacs. Sometimes I want to make a block of texts less obvious (or less important to see). Instead of totally hiding them, they should still be there. Is there an easy  ... 
[color]
 
asked by SoftTimur https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=5110 207 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2975 234 votes
5.26.2.7 Align equation left

https://tex.stackexchange.com/landing/r/newsletter?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 ,  ... 
[equations] [align]
 
asked by user35571 https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=35571 52 votes
answered by Ludovic C. https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=31058 56 votes