9.64.1 Top new questions this week

9.64.1.1 Should one ever use \bigskip?
9.64.1.2 Drawing only in Spy magnifying glass
9.64.1.3 l3keys equivalent of pgfkeys' .code 2 args
9.64.1.4 Aligment of the hightlight in the TikZ figure
9.64.1.5 LaTeX3 - Advice on a code to validate an ISO date
9.64.1.6 Is it possible to redefine the limit operator to print Lim, not lim?
9.64.1.7 Header is changed to upper case only when uploading to arXiv
9.64.1.1 Should one ever use \bigskip?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696696

I am wondering whether one is ever justified in using \bigskip in LaTeX (specifically in overleaf)? I have recently drastically reduced my use of it, due to my teacher's recommendation. But I tend to ... 
[paragraphs] [vertical-spacing]
 
asked by Ben123 https://tex.stackexchange.com/landing/r/digest?cta=user&id=304672 Score of 11
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 9
9.64.1.2 Drawing only in Spy magnifying glass

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696673

I would like to be able to draw something into the spy magnifying glass without drawing it in the main picture (e.g. to add specific annotations into only the zoomed version of the picture). 
Why this ... 
[tikz-pgf] [spy]
 
asked by mranvick https://tex.stackexchange.com/landing/r/digest?cta=user&id=222633 Score of 8
answered by Qrrbrbirlbel https://tex.stackexchange.com/landing/r/digest?cta=user&id=16595 Score of 3
9.64.1.3 l3keys equivalent of pgfkeys' .code 2 args

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696754

What is the recommended way to emulate pgfkeys' /.code 2 args (or more generally /.code n args) handler with l3keys? For example, with pgfkeys one can do 
\documentclass{article} 
\usepackage{pgfkeys} 
... 
[expl3] [pgfkeys] [key-value] [l3keys]
 
asked by mbert https://tex.stackexchange.com/landing/r/digest?cta=user&id=208544 Score of 7
answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 Score of 6
9.64.1.4 Aligment of the hightlight in the TikZ figure

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696993

I'm trying to create TikZ diagram to represent the HDD platter. On the platter the track, sector and blocks should be highlighted. I moved from the simple by-the-hand calculated render more onto the ... 
[tikz-pgf]
 
asked by jr.root.cs https://tex.stackexchange.com/landing/r/digest?cta=user&id=99554 Score of 7
answered by Qrrbrbirlbel https://tex.stackexchange.com/landing/r/digest?cta=user&id=16595 Score of 3
9.64.1.5 LaTeX3 - Advice on a code to validate an ISO date

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696749

The following code is a POC showing a way to validate one Julian date in "pure" LaTeX3: it is related to this question. 
There is no doubt that this code contains some clumsiness. Any advice ... 
[latex3] [code]
 
asked by projetmbc https://tex.stackexchange.com/landing/r/digest?cta=user&id=6880 Score of 6
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6
9.64.1.6 Is it possible to redefine the limit operator to print Lim, not lim?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696986

The default limit operator displays 'lim' with a small l. I wish to redefine it to display 'Lim' that is, with a capital L like shown below. 
[math-operators] [capitalization]
 
asked by Cristofer https://tex.stackexchange.com/landing/r/digest?cta=user&id=303338 Score of 5
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 9
9.64.1.7 Header is changed to upper case only when uploading to arXiv

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696692

I wrote an essay using Overleaf and I am trying to upload it to arXiv. When I compile it on Overleaf or locally using pdflatex main.tex the section name in the header is lowercase. I get the following:... 
[pdftex] [header-footer] [arxiv]
 
asked by Henry Ginn https://tex.stackexchange.com/landing/r/digest?cta=user&id=304668 Score of 5