6.5.2 Greatest hits from previous weeks

6.5.2.1 Remove ugly borders around clickable cross-references and hyperlinks
6.5.2.2 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)
6.5.2.3 Commenting out large sections
6.5.2.4 How to add an empty line between paragraphs?
6.5.2.5 Making the bibliography appear in the table of contents
6.5.2.6 What is the LaTeX command for "em dash" (a^\200\224)?
6.5.2.7 Nice scientific pictures show off
6.5.2.1 Remove ugly borders around clickable cross-references and hyperlinks

https://tex.stackexchange.com/landing/r/digest?cta=question&id=823

I know that I can use hyperref to make cross-references and hyperlinks clickable.  That makes the clickable areas outlined in fluorescent green, however.  How can I make the green boxes go away? 
[hyperref] [color] [boxes] [links]
 
asked by Vebjorn Ljosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=35 748 votes
answered by meep.meep https://tex.stackexchange.com/landing/r/digest?cta=user&id=3735 751 votes
6.5.2.2 "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 91 votes
answered by Antal Spector-Zabusky https://tex.stackexchange.com/landing/r/digest?cta=user&id=1425 87 votes
6.5.2.3 Commenting out large sections

https://tex.stackexchange.com/landing/r/digest?cta=question&id=17816

So to "comment out" a line, I need to insert a % at the beginning of the line (so that line will not be compiled). 
Is there way to comment out a large section without having to manually putting a %  ... 
[comments]
 
asked by user5419 https://tex.stackexchange.com/landing/r/digest?cta=user&id=5419 321 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 253 votes
6.5.2.4 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 106 votes
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 120 votes
6.5.2.5 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 169 votes
answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 127 votes
6.5.2.6 What is the LaTeX command for "em dash" (a^\200\224)?

https://tex.stackexchange.com/landing/r/digest?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/digest?cta=user&id=13964 255 votes
answered by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 275 votes
6.5.2.7 Nice scientific pictures show off

https://tex.stackexchange.com/landing/r/digest?cta=question&id=158668

Task 
Show off your best scientific illustration ! 
The main purpose of this question is to share beautiful scientific pictures, preferably with an educational aspect. 
Content 
Your post must  ... 
[diagrams] [3d] [technical-drawing] [fun] [big-list]
 
asked by Thomas https://tex.stackexchange.com/landing/r/digest?cta=user&id=42660 503 votes
answered by Charles Staats https://tex.stackexchange.com/landing/r/digest?cta=user&id=484 300 votes