2.25.3 Can you answer these questions?

2.25.3.1 Landscape environment in variable position
2.25.3.2 Label in xbar stacked not shown
2.25.3.3 TeXstudio, disable horizontal scrolling for "Fit to Text Width"

Can you answer these?

2.25.3.1 Landscape environment in variable position

http://tex.stackexchange.com/questions/318014/landscape-environment-in-variable-position

I have a portrait document, and I want to put a big table in a landscape page. I am currently using the landscape environment to achieve that. 
As this page is in the middle of the document, I want  ...
 
- asked by NicolA~\[DownExclamation]s 3votes
2.25.3.2 Label in xbar stacked not shown

http://tex.stackexchange.com/questions/318234/label-in-xbar-stacked-not-shown

I'm using pgfplots 1.7. In the following plot the labels for the bars are not shown. 
\documentclass{article} 
\usepackage{pgfplots} 
%\usepackage{pgfplotstable} 
\pgfplotsset{compat=1.7} 
...
                                                                                  

                                                                                  
 
- asked by Julia Demyanova 2votes
2.25.3.3 TeXstudio, disable horizontal scrolling for "Fit to Text Width"

http://tex.stackexchange.com/questions/318283/texstudio-disable-horizontal-scrolling-for-fit-to-text-width

Does anyone know why disabling horizontal scrolling for "Fit to Text Width" with TeXstudio doesn't work (one finds this option at Preferences under Internal PDF Viewer after selecting the scale option  ...
 
- asked by AYK 2votes