6.69.1 Top new questions this week

6.69.1.1 Joining Tikz paths seamlessly

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572839

I'm trying to use Tikz to draw climbing knots. 
I adapted the code from this answerhttps://tex.stackexchange.com/a/283009/229885 to draw 3D-ish rope using Tikz paths (the basic idea is to superimpose ... 
[tikz-pgf]
 

asked by Carlos Luna https://tex.stackexchange.com/landing/r/digest?cta=user&id=229885 12 votes

answered by Andrew Stacey https://tex.stackexchange.com/landing/r/digest?cta=user&id=86 6 votes

6.69.1.2 How can I use usepackage only in `\mathbb`?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=573164

I want to use these mathematical sets that are shown in the picture: 
I used the following: \usepackage{pxfonts}, but then the whole context changed. 
I want the original LaTeX font, but when I use the ... 
[math-mode] [mathbb]
 

asked by MA~\[DownExclamation]tA~(c) Szalaihttps://tex.stackexchange.com/landing/r/digest?cta=user&id=230020 9 votes

answered by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=201628 11 votes

6.69.1.3 Nested Undersets

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572888

how would you achieve something like this? 
right now my code looks like this: 
90\underset{+90}{\underset{\huge \smile}{\underset{+90}{\underset{\huge \smile}{}}180\underset{+180}{\underset{\huge \... 
[positioning]
 

asked by underset-nester https://tex.stackexchange.com/landing/r/digest?cta=user&id=229908 9 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 8 votes

6.69.1.4 How to make my own professional book step-by-step( there is a course or a book that I didn't find?)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572752

Sorry if this question is not doubts about LaTeX per se, but more a question for a guide to making my own book. There is a book or a course or a tutorial available specifically about making my own ... 
[books] [tutorials]
 

asked by Alex990MW https://tex.stackexchange.com/landing/r/digest?cta=user&id=142095 9 votes

answered by Peter Wilson https://tex.stackexchange.com/landing/r/digest?cta=user&id=12082 10 votes

6.69.1.5 Expressive macro for tensors; raised and lowered indices

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572541

Does anyone have a satisfying solution to the problem of typesetting tensors with raised/lowered indices? For example, I can write the following equation: 
\ddot x^\mu = \Gamma^{\mu}{}_{\alpha}{}_{\... 
[macros] [equations]
 

asked by Myridium https://tex.stackexchange.com/landing/r/digest?cta=user&id=82444 8 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 6 votes

6.69.1.6 Can I temporarily disable the @@ replacement in LaTeX3?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572883

I'm trying to write my L3 packages using good practice, which I understand involves using @@ in defining command and variable names which then get replaced by the module name (Section 3.2.2 in texdoc ... 
[best-practices] [latex3] [l3doc]
 

asked by Andrew Stacey https://tex.stackexchange.com/landing/r/digest?cta=user&id=86 8 votes

answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 10 votes

6.69.1.7 Is it allowed to put spaces after macro parameter?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=573298

As shown below, a macro is defined, and can be used without problem without spaces after macro parameter, 
$$ 
\def \SpinOrb#1#2{ \chi_#1(\x_#2) } 
\SpinOrb i 2 \SpinOrb j 1 
$$ 
As shown below, the ... 
[macros] [arguments]
 

asked by SOUser https://tex.stackexchange.com/landing/r/digest?cta=user&id=21956 6 votes

answered by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 11 votes