9.38.3 Can you answer these questions?

9.38.3.1 Open an external PDF at the specific section in a new tab

https://tex.stackexchange.com/landing/r/digest?cta=question&id=687839

I want to hyperlink to an external pdf file at the specific section. I have a solution to open the file on a specific page but not at the specific section. 
Next problem Im facing is that every time ... 
[pdftex] [pdf] [href]
 

asked by Ao\275an https://tex.stackexchange.com/landing/r/digest?cta=user&id=261965 Score of 1

9.38.3.2 The boundaries of the figure I drawn are missing? How do I define a border for the tikz picture

https://tex.stackexchange.com/landing/r/digest?cta=question&id=687531

The following tikz code produces the figure attached below. The boundaries of the circles are missing. How do I include them in the figure? 
\documentclass{standalone} 
\usepackage{tikz} 
\begin{... 
[tikz-pgf]
 

asked by tonygrey https://tex.stackexchange.com/landing/r/digest?cta=user&id=291025 Score of 1

answered by JamesT https://tex.stackexchange.com/landing/r/digest?cta=user&id=273733 Score of 0

9.38.3.3 How to find macros to adjust footer (lefoot, cefoot etc.) with scrlayer-scrpage

https://tex.stackexchange.com/landing/r/digest?cta=question&id=687594

I'm still working on a Latex-template for my institution. So far everything runs fine and the former questions i asked here helped me a lot. 
Now, i want to adjust the different parts of the journals ... 
[macros] [header-footer] [scrlayer-scrpage] [definition] [renewcommand]
 

asked by lukeflo https://tex.stackexchange.com/landing/r/digest?cta=user&id=297560 Score of 1