9.7.3 Can you answer these questions?

9.7.3.1 lstinputlisting ignores showlines=true

https://tex.stackexchange.com/landing/r/digest?cta=question&id=672988

I am trying to display some code in my document using lstinputlisting. I want to display code written in Stan. I have a separate Stan file which I then call in my Latex document. 
Below is a working ... 
[listings]
 

asked by J. Doe https://tex.stackexchange.com/landing/r/digest?cta=user&id=246145 Score of 1

9.7.3.2 Making vector fonts from metafont sources in LuaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=673203

According to the presentation "TUG 2020 a^\200\224 Marcel KrA~\274ger a^\200\224 MetaPost-based, dynamic extensible delimiters for LuaTeX" it is possible to generate "fully hinted, vector glyphs" from (... 
[fonts] [luatex] [metapost] [luaotfload]
 

asked by WeiA~\237er Kater https://tex.stackexchange.com/landing/r/digest?cta=user&id=125730 Score of 2

9.7.3.3 Frontpage in Beamer

https://tex.stackexchange.com/landing/r/digest?cta=question&id=672940

I'm trying to create a frontpage slide in Beamer using templates that I found on the Internet. I don't know what to change in the templates or in the TeX file to obtain what I want; my goal is to get ... 
[beamer]
 

asked by N. Vaydan https://tex.stackexchange.com/landing/r/digest?cta=user&id=289001 Score of 1