4.23.1 Top new questions this week

4.23.1.1 A 3D unit helix and 2D sine and cosine projections

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=439095

Is there a way to draw this diagram using Latex? It is a 3D unit helix, and it's 2D projection shows it consists of sine and cosine functions. 
From this answer I found how to draw sine and cosine  ... 
[tikz-pgf] [diagrams]
 

asked by Rachel https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=166100 23 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 29 votes

4.23.1.2 Young diagrams in Latex - large strips and braces

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=438824

I am trying to write a few properties of Young diagrams using Latex and am trying to make the symbolic notation as clear as possible but I encountered a few problems. 
I would like to study functions  ... 
[diagrams] [ytableau]
 

asked by Maciej Kowalski https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=166020 11 votes

answered by egreg https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4427 9 votes

4.23.1.3 Querying the state of a boolean from lua

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=438765

I can query and use the states of counts in lua without problem. But now I'm wondering how to at best do it with booleans. I have been looking at the token library but it seems not to allow to get and  ... 
[luatex] [expl3]
 

asked by Ulrike Fischer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2388 11 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2388 10 votes

4.23.1.4 How may I rotate a tikzpicture?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=438466

I made a small tkzpicture as in the SWE below. How may I rotate it 90 positive degrees? 
\documentclass{article} 
\usepackage{tikz} 
\usetikzlibrary{shapes,arrows} 
\usepackage[active,tightpage]{preview} 
... 
[tikz-styles] [rotating]
 

asked by Frode BjA~,rdal https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=24406 10 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2388 13 votes

4.23.1.5 Using background colors in monospaced text

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=439199

I am trying to generate this in my document: 
The goal is to have multiple lines that are aligned, which is why I used \texttt{}. But using \colorbox{color}{text} from the xcolor package, this is  ... 
[color] [colorbox]
 

asked by basseur https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=35936 8 votes

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=134574 7 votes

4.23.1.6 Using TikZ to create a custom word which combines an svg image and text

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=439212

I am trying to create a custom word, f-hole, where instead of an f I use the actual outline of a violin f-hole: 
I have an .svg file of the outline I want to make into a symbol, and using this  ... 
[tikz-pgf] [svg]
 

asked by Milo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=128068 7 votes

answered by AlexG https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=1053 8 votes

4.23.1.7 Issue with shortened arrows in TikZ

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=439101

I have a problem with arrow tips. I want to draw an arrow like the horizontal one in this image (this is just a MWE): 
The position of the arrow tips is correct (the circle on the left must be over  ... 
[tikz-pgf] [arrows]
 

asked by Taekwondavide https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=156704 7 votes

answered by Max Snippe https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=74459 9 votes