8.45.1 Top new questions this week

8.45.1.1 How to write correctly $ . $

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649986

I'm sure this question is a duplicate, but I can't find the main question. 
If I write $|.|$ it doesn't appear with in my textbook, I wonder what is the correct way to do it.  I'm using it to try to ... 
[math-mode]
 

asked by Luis Alexandher https://tex.stackexchange.com/landing/r/digest?cta=user&id=223989 Score of 9

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 11

8.45.1.2 How can I write subsection headings involving constants (a, b, c, d, etc) in a LaTeX document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=650490

I am working on a research paper using LaTeX for an IEEE journal, and this paper involves some constants (say, a, b, c and d). When I write subsection headings involving these constants, for example.. 
... 
[sectioning] [subsection] [document]
 

asked by Dr. Sundar https://tex.stackexchange.com/landing/r/digest?cta=user&id=251241 Score of 7

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 11

8.45.1.3 Changes to LaTeX kernel in June 2022 affect use of \MakeUppercase in chapter titles

https://tex.stackexchange.com/landing/r/digest?cta=question&id=650349

I follow the tips in Koma-Script HowTo_ChapterWithLines to reformat the chapter heading. 
With the June 2022 update of the LaTeX kernel this no longer works and goes into an infinite loop. 
I am running ... 
[chapters] [latex3]
 

asked by Ian_B https://tex.stackexchange.com/landing/r/digest?cta=user&id=120088 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 3

8.45.1.4 What is the difference between \cdots and \dotsm?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=649981

\cdots and \dotsm, which I presume to stand for center dots and dots for multiplication, are both three dots in the middle of the line. I don't see the difference between them, and which is better to ... 
[amsmath]
 

asked by Enderman https://tex.stackexchange.com/landing/r/digest?cta=user&id=214490 Score of 7

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 17

8.45.1.5 Draw Diagram with Tikz?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=650552

I'm trying to draw the following figure with Tikz. I looked to many answers and examples in tex.StackExchange and texample.net. It took me a lot of time to get it similar to the original figure, I'm ... 
[tikz-pgf] [diagrams]
 

asked by A1kr9 https://tex.stackexchange.com/landing/r/digest?cta=user&id=220507 Score of 5

answered by Zxcvasdf https://tex.stackexchange.com/landing/r/digest?cta=user&id=133968 Score of 1

8.45.1.6 Dates instead of chapter numbers in chapter headers

https://tex.stackexchange.com/landing/r/digest?cta=question&id=650351

I am typesetting a book which contains daily meditation exercises. There are 366 exercises (one for each day, including February 29). 
The default styling for chapter titles has the text "Chapter ... 
[chapters]
 

asked by kerkeslager https://tex.stackexchange.com/landing/r/digest?cta=user&id=274131 Score of 5

answered by Jinwen https://tex.stackexchange.com/landing/r/digest?cta=user&id=194994 Score of 4

8.45.1.7 Horizontal space between table and text

https://tex.stackexchange.com/landing/r/digest?cta=question&id=650458

In this code 
\documentclass[11pt]{article} 
\usepackage{amsmath} 
\usepackage[ngerman]{babel} 
\usepackage{siunitx} 
\usepackage[a4paper,margin=2cm]{geometry} 
\usepackage{graphicx} 
\usepackage{lastpage} 
\... 
[tables] [horizontal-alignment]
 

asked by Andyc https://tex.stackexchange.com/landing/r/digest?cta=user&id=49347 Score of 5

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 4