6.53.3 Can you answer these questions?

6.53.3.1 PGFplots standalone colormap problem
6.53.3.2 Supplying small and large floating point values to moodlepackage
6.53.3.3 Add geometry options in class result an "Unused global option(s)" warning
6.53.3.1 PGFplots standalone colormap problem

https://tex.stackexchange.com/landing/r/digest?cta=question&id=562408

I'm trying to create a colormap for one of my documents. To test and see what this colormap looks like, I use the \pgfplotscolorbardrawstandalone command. 
However, when using this command, the upper ... 
[pgfplots] [color]
 
asked by B Legrand https://tex.stackexchange.com/landing/r/digest?cta=user&id=209693 1 vote
6.53.3.2 Supplying small and large floating point values to moodlepackage

https://tex.stackexchange.com/landing/r/digest?cta=question&id=562193

I am using the "moodle" package to create Moodle XML quizzes via Latex. Generally it works pretty well but I am having problems. If you are unfamiliar with the package, I can use environment ... 
[parameters] [moodle]
 
asked by James Hoyland https://tex.stackexchange.com/landing/r/digest?cta=user&id=224339 1 vote
6.53.3.3 Add geometry options in class result an "Unused global option(s)" warning

https://tex.stackexchange.com/landing/r/digest?cta=question&id=562252

This small example cause a warning  Unused global option(s):[showframe] although the option is passed to geometry package 
\documentclass[showframe]{article} 
\usepackage{geometry} 
\begin{document} 
... 
[geometry] [class-options]
 
asked by Salim Bou https://tex.stackexchange.com/landing/r/digest?cta=user&id=54817 1 vote