10.50.3 Can you answer these questions?

10.50.3.1 Define first row color prior to tabular begin

https://tex.stackexchange.com/landing/r/digest?cta=question&id=723311

I've got many tables throughout my document that I would like to be colored like this, with the first row in a dark grey, then the even rows in white and the odd rows in a light grey: 
Currently I'm ... 
[tables] [color] [tabularx] [colortbl] [rowcolor]
 

asked by Epithet https://tex.stackexchange.com/landing/r/digest?cta=user&id=317654 Score of 1

answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 Score of 0

10.50.3.2 Externalize on Overleaf

https://tex.stackexchange.com/landing/r/digest?cta=question&id=723463

I am using a template given by my uni and running it on ShareLatex/Overleaf. I am currently running into an issue when trying to plot more data using tikz, that gives the follwoing error: 
TeX capacity ... 
[tikz-external] [shell-escape] [externalize]
 

asked by Matis https://tex.stackexchange.com/landing/r/digest?cta=user&id=325924 Score of 1

answered by Matis https://tex.stackexchange.com/landing/r/digest?cta=user&id=325924 Score of 0

10.50.3.3 Modification for use of dnaseq package

https://tex.stackexchange.com/landing/r/digest?cta=question&id=723487

I need to write a dna sequence in my work so I was looking for a package or a way to achieve that. I found the package dnaseq but it seemed to me that I didn't have everything I needed, then I found ... 
[function] [modification]
 

asked by Michael Rosales Vilca https://tex.stackexchange.com/landing/r/digest?cta=user&id=304296 Score of 1

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 0