6.45.3 Can you answer these questions?

6.45.3.1 How can I mark and label certain regions in the margin with ConTeXt?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=558976

I write a document that discusses syntactic differences between two languages (let's say, TeX and Markdown). Going through various topics, the text talks some time about one language and then about  ... 
[margins] [context]
 

asked by flyx https://tex.stackexchange.com/landing/r/digest?cta=user&id=11150 1 vote

6.45.3.2 Specifying a domain for the z-axis in PGFPLOTS

https://tex.stackexchange.com/landing/r/digest?cta=question&id=558566

I am trying to draw a mesh in the domain { (x,y,z) in [0,4] }. I was able to constrain the domain in the x-axis and y-axis, but the mesh is still drawn in the negative z-axis (Image 1), which is  ... 
[tikz-pgf] [pgfplots]
 

asked by James https://tex.stackexchange.com/landing/r/digest?cta=user&id=222365 1 vote

6.45.3.3 Cannot change package repositories

https://tex.stackexchange.com/landing/r/digest?cta=question&id=558641

Good afernoon everyone! I downloaded some packages from ctan.org and installed it with miktex settings, but as I understand it is not a good idea, so I decided to download packages from some  ... 
[errors] [moderncv] [miktex2.9] [repositories]
 

asked by Dozzy Cooper https://tex.stackexchange.com/landing/r/digest?cta=user&id=161859 1 vote