6.39.2 Greatest hits from previous weeks

6.39.2.1 What is the "correct" way of embedding text into math mode?
6.39.2.2 How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?
6.39.2.3 Change image size
6.39.2.4 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)
6.39.2.5 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?
6.39.2.6 How to influence the position of float environments like figure and table in LaTeX?
6.39.2.7 Making the bibliography appear in the table of contents
6.39.2.1 What is the "correct" way of embedding text into math mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3415

Lets say I have something like: 
\[ Let x = number of cats \] 
(This is a contrived example, but pretend we are actually inside a long align environment block...) "Let" and "number of cats" need to  ... 
[math-mode]
 
asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 221 votes
6.39.2.2 How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?

https://tex.stackexchange.com/landing/r/digest?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/digest?cta=user&id=71265 88 votes
answered by Benjamin McKay https://tex.stackexchange.com/landing/r/digest?cta=user&id=19327 6 votes
6.39.2.3 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 76 votes
answered by DJJerome https://tex.stackexchange.com/landing/r/digest?cta=user&id=2863 73 votes
6.39.2.4 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=4268

No matter how I try to do it I always get the following error : 
! Package inputenc Error: Unicode char \u8:A^\[DiscretionaryHyphen] not set up for use with LaTeX. 
I have tried using A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]$^{\circ}$, \deg, \textdegree,  ... 
[symbols] [unicode]
 
asked by levesque https://tex.stackexchange.com/landing/r/digest?cta=user&id=10 96 votes
answered by Antal Spector-Zabusky https://tex.stackexchange.com/landing/r/digest?cta=user&id=1425 90 votes
6.39.2.5 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10863

I have a table that is just a little too wide for a 3.33" column. Is there a way to simply shrink the table a little to make it fit? I'm OK if the 10pt font becomes 9pt-something. Here is an example. 
... 
[tables] [scaling]
 
asked by Nathan Farrington https://tex.stackexchange.com/landing/r/digest?cta=user&id=3504 139 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 204 votes
6.39.2.6 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 634 votes
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 909 votes
6.39.2.7 Making the bibliography appear in the table of contents

https://tex.stackexchange.com/landing/r/digest?cta=question&id=8458

I need to make my (BibTeX) references section appear in the table of contents of my LaTeX document (documentclass: article), with section numbering too. 
My approach until now has been making a new  ... 
[sectioning] [table-of-contents] [bibliographies]
 
asked by Genba https://tex.stackexchange.com/landing/r/digest?cta=user&id=2311 183 votes
answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 136 votes