5.22.1 Top new questions this week

5.22.1.1 Symbol for "not absolutely continuous" in Latex

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=497053

I have trouble finding the symbol which indicates that two measure are not absolutely continuous i.e. the negation of $\mu \ll \nu$. Anyone has an idea how to write this? 
Edit 1: 
[symbols]
 

asked by Gabriel https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=132351 22 votes

answered by egreg https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4427 32 votes

5.22.1.2 Are all commands with an optional argument fragile?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=497356

Here is a discussion of fragile command in LaTeX. And it says that any commands that have an optional argument are fragile, for instance \footnote[2]{myfoottext} and \footnot{myotherfoottext}. I have  ... 
[macros] [tex-core] [optional-arguments] [latex-base] [fragile]
 

asked by Brooks https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=24714 18 votes

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=134574 27 votes

5.22.1.3 Layout of complex table

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=496911

The MWE 
\documentclass{article} 
\usepackage[utf8]{inputenc} 
\usepackage[T1]{fontenc} 
\usepackage{amsmath} 
\usepackage{tabularx} 
\usepackage{colortbl} 
\usepackage{multirow} 
\usepackage{ragged2e} 
... 
[tikz-pgf] [tables] [tabularx] [multirow] [colortbl]
 

asked by Matthias https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=82324 11 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 6 votes

5.22.1.4 How to select the right index tool for LuaLaTeX in 2019?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=496985

There are several tools for indexing: 
luaindex (one release from 2011, written in Lua, "This is an alpha version!", by Markus Kohm) 
makeindex (1987-1993, written in C, by L. Lamport, P. Chen et al.) 
... 
[luatex] [indexing] [xindy] [makeindex]
 

asked by Jonas Stein https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=16227 9 votes

5.22.1.5 Plotting the gradient descent

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=497165

Can you help me with drawing this SGD picture?  Colors and sharp effects are welcomed :) 
MWE: 
\documentclass[11pt]{article} 
\usepackage{amsmath} 
\usepackage{amssymb} 
\usepackage{subfigure} 
... 
[tikz-pgf]
 

asked by naveganTeX https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=185467 8 votes

answered by JJM Driessen https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=41169 7 votes

5.22.1.6 Polish letters in ASME English template

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=497099

%%%%%%%%%%%%%%%%%%%%% 
\cprotect\subsubsection{\verb|I have trouble generating bibliography in ASME template|} 
\url{https://www.latextemplates.com/template/asme} 
 
\begin{TEXTWinline} 
\usepackage[T1]{fontenc} 
\usepackage[polish]{babel} 
... 
[bibliographies] [templates] [polish]
 

asked by qalis https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=191573 8 votes

answered by John https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=119566 4 votes

5.22.1.7 pgfmath does not work

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=497648

I want to use the pgfmath engine, but the result is not what I expect. In this example, I want both lines to have the same length. 
\documentclass{standalone} 
\usepackage{tikz} 
\usepackage{pgfmath} 
... 
[tikz-pgf]
 

asked by mcti https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=191145 6 votes

answered by frougon https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=73317 10 votes