4.38.1 Top new questions this week

4.38.1.1 "L shaped" springs in tikz

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457322

This is my code: 
\documentclass{standalone} \usepackage{tikz} 
\usetikzlibrary{calc,patterns,decorations.pathmorphing,decorations.markings,positioning} 
\begin{document} 
... 
[tikz-pgf]
 

asked by iacopo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=131809 11 votes

answered by Milo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=128068 13 votes

4.38.1.2 Passing arguments to a macro hidden in the text

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457787

Context: 
I'm trying to write a macro that behaves somewhat like C's printf family of functions. For instance, the following C code: 
#include <stdio.h> 
int main() 
{ 
printf("Hello %s!  ... 
[macros] [expansion] [expl3]
 

asked by Phelype Oleinik https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=134574 10 votes

answered by Joseph Wright https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=73 12 votes

4.38.1.3 Expanding macro defined by \csdef to define a style via \tikzset

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457429

I need to store tikz option in a \csdef{}: 
\csdef{My Node Option}{draw=red, thick, fill=yellow} 
How do I use this definition to define a style via \tikzset? 
I attempted to use .expand once as per  ... 
[tikz-pgf] [tikz-styles] [expansion] [etoolbox]
 

asked by Peter Grill https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4301 10 votes

answered by corporal https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13506 10 votes

4.38.1.4 Why can't I put a comma in a \newtcolorbox?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457667

When I try to put a "," in the mybox environment, I get the error: 
! Package pgfkeys Error: I do not know the key '/tcb/FM and PM and Narrowband F 
M' and I am going to ignore it. Perhaps you  ... 
[tcolorbox]
 

asked by Joe https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=36270 9 votes

answered by CarLaTeX https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=101651 8 votes

4.38.1.5 How to get three nested enumerations in LaTeX?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457314

This is my current code. I've managed to get one next enumeration but I want a third nesting to replace me having to write 1.1.1, 1.1.2 etc. 
\begin{enumerate} 
\item Top Levek 
\begin{enumerate} 
... 
[lists] [enumerate] [itemize] [enumitem] [sharelatex]
 

asked by Maria Robson https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=173443 9 votes

answered by Bernard https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=38908 8 votes

4.38.1.6 How to plot trinomial distribution in tikz?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457226

I am trying to plot a 3d probability mass function like below (probability histogram for trinomial distribution). Could not find anything helpful online for 3D discrete plotting like below given a  ... 
[pgfplots] [3d] [bar-chart]
                                                                                  

                                                                                  
 

asked by Paari Vendhan https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=171269 8 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 9 votes

4.38.1.7 Tikz Mechanical picture Fix issues

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=457344

This is my code: 
\documentclass{standalone} 
\usepackage{tikz} 
\usetikzlibrary{calc,patterns,decorations.pathmorphing,decorations.markings,positioning} 
\begin{document} 
... 
[tikz-pgf]
 

asked by iacopo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=131809 8 votes

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