7.37.1 Top new questions this week

7.37.1.1 Does using more packages increase the size of the .tex file and pdf?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601863

I'm curious about this question, since I've seen people using tens of packages in the preamble. Does including many packages increase file size? If not, then why not? 
[packages] [size]
 

asked by user71207 https://tex.stackexchange.com/landing/r/digest?cta=user&id=235908 9 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 16 votes

7.37.1.2 why does alternating color of table faintly color vertical lines too?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601534

\documentclass[11pt]{article} 
\usepackage[table]{xcolor} 
\definecolor{lightgray}{gray}{0.9} 
\begin{document} 
\begin{table}[ht] 
\caption{default} 
\begin{center} 
\rowcolors{1}{}{lightgray} 
\begin{... 
[tables]
 

asked by curious https://tex.stackexchange.com/landing/r/digest?cta=user&id=242501 7 votes

answered by Rmano https://tex.stackexchange.com/landing/r/digest?cta=user&id=38080 3 votes

7.37.1.3 What package is needed for \circlearrowright and \circlearrowleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601609

On a few pages I found that the command for a clockwise arrow should be \circlearrowright: 
\circlearrowright - Tex Command 
LaTeX circlearrowright symbol 
The great, big list of LaTeX symbols 
But, ... 
[symbols] [arrows]
 

asked by eli44 https://tex.stackexchange.com/landing/r/digest?cta=user&id=196161 6 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 9 votes

7.37.1.4 Unicode maths in pdflatex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601579

In order to use Unicode maths in pdflatex as well as in LuaTeX, in preamble of my document I have: 
\usepackage{ifxetex,ifluatex} 
\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex 
\usepackage[T1]{... 
[math-mode] [unicode]
 

asked by Dima Pasechnik https://tex.stackexchange.com/landing/r/digest?cta=user&id=7110 6 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 7 votes

7.37.1.5 Is obtaining the color of a node possible?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=602047

How can I obtain the color of a node? 
Objective: 
My code so far: 
\documentclass[border=2mm]{standalone} 
\usepackage{tikz} 
\usetikzlibrary{calc} % calculates coordinates 
\usetikzlibrary{ backgrounds }... 
[tikz-pgf] [color]
 

asked by Aria https://tex.stackexchange.com/landing/r/digest?cta=user&id=142774 5 votes

answered by Black Mild https://tex.stackexchange.com/landing/r/digest?cta=user&id=140722 7 votes

7.37.1.6 P symbol of probabilities

https://tex.stackexchange.com/landing/r/digest?cta=question&id=602018

I cannot find this P: 
My \mathbb{P} and \mathcal{P} are: 
I have found similar questions related to finding specific symbol or some P, but none of them looks for this P or shows a way to look for ... 
[symbols]
 

asked by Chris https://tex.stackexchange.com/landing/r/digest?cta=user&id=244669 5 votes

answered by SebGlav https://tex.stackexchange.com/landing/r/digest?cta=user&id=204164 5 votes

7.37.1.7 How does one make a thousands glyph that scales appropriately?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601988

%%%%%%%%%%%%%%%%%%%%% 
\cprotect\subsubsection{\verb|James Grimmelman (https://twitter.com/grimmelm/status/1406257482029322250?s=20) posted an idea for a thousands glyph|} 
\url{three vertically stacked sideways zeros} 
 
\begin{TEXTWinline} 
[symbols] [number]
 

asked by JPi https://tex.stackexchange.com/landing/r/digest?cta=user&id=43843 5 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 7 votes