4.31.1 Top new questions this week

4.31.1.1 Does a symbol for glasses exist?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=447397

I could not find the symbol of the image below which is in a book in my possession. I honestly do not remember where I saw it. Could someone help me where this symbol is located? This symbol (red  ... 
[tikz-pgf] [graphics] [symbols]
 

asked by Sebastiano https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=117876 26 votes

answered by Milo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=128068 66 votes

4.31.1.2 Is there a way to create Tex Live or LaTeX virtual environment?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=448263

I am looking for a Python-style virtualenv or venv to create a virtual environment where I can install LaTeX packages such that the packages are available to my current LaTeX project only (but not  ... 
[packages] [paths] [texlive-2018]
 

asked by Lone Learner https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=18587 19 votes

answered by Henri Menke https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=10995 18 votes

4.31.1.3 What macros should be used as 'scratch space'?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=447584

The LaTeX kernel provides the 'scratch' macros \@tempa, etc., and \reserved@a, etc. These are used for a variety of purposes. Which should be used as temporary space by general users/programmers? 
[macros] [latex-base]
 

asked by Joseph Wright https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=73 16 votes

answered by Joseph Wright https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=73 15 votes

4.31.1.4 Drawing two stroke engine in TikZ

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=447726

I was trying to reproduce this image: 
I've got the following MWE: 
\documentclass[border=5pt,tikz]{standalone} 
\usepackage[utf8]{inputenc} 
\usetikzlibrary{calc,snakes} 
\begin{document} 
... 
[tikz-pgf]
 

asked by current_user https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=166311 14 votes

answered by Milo https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=128068 9 votes

4.31.1.5 Visualising RecamA~\[DownExclamation]n's sequence using TikZ

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=447652

I am trying to visualise RecamA~\[DownExclamation]n's sequence using semicircles. This is an example of what I'm trying to replicate: 
By manually defining each semicircle, I've got this so far: 
... 
[tikz-pgf]
 

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

answered by jfbu https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4686 18 votes

4.31.1.6 Dot grid with increasing dot size

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=448333

A friend of mine asked me if it would be possible to create a dot grid with increasing dot sizes as shown in the picture (without the icons): 
I'm aware that there are tons of tikz-dotgrids to find  ... 
[tikz-pgf] [grids]
                                                                                  

                                                                                  
 

asked by schmendrich https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=9666 12 votes

answered by marmot https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=121799 17 votes

4.31.1.7 Health of ConTeXt community

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=447566

I have been assessing ConTeXt as a platform for technical documentation production. It seems to have some compelling capabilities that are hard to match with LaTeX, such as in-built XML and HTML  ... 
[context]
 

asked by Ron https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=107769 10 votes

answered by ssokolen https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=141419 11 votes