6.16.3 Can you answer these questions?

6.16.3.1 Horizontally and vertically center columns in longtable

https://tex.stackexchange.com/landing/r/digest?cta=question&id=538822

Given the following longtable: 
\documentclass[11pt,a4paper]{report} 
\usepackage[margin=0.5cm]{geometry} 
\usepackage{array,multirow,longtable, lipsum} 
\begin{document} 
Text First Line 
\vspace{23cm} 
... 
[horizontal-alignment] [vertical-alignment] [longtable]
 

asked by Wynand Marais https://tex.stackexchange.com/landing/r/digest?cta=user&id=208239 1 vote

6.16.3.2 How to get a unique and short labelname with biblatex?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=539079

Consider this MWE 
\documentclass{article} 
\begin{filecontents}[force]{\jobname.bib} 
@book{Lazarenko2013, 
author   = {Lazarenko, Igor and Mircheva, Elina and Encheva, Radostina and Stoyanova,  ... 
[biblatex]
 

asked by LukasCB https://tex.stackexchange.com/landing/r/digest?cta=user&id=98739 1 vote

6.16.3.3 How to print solutions in exsheets correctly when using parts and restarting chapter numbers?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=538700

I have a document with questions and solutions with multiple parts and I set the chapter numbers to reset at each part. I want to show the solutions of a chapter at the end of the chapter.  ... 
[exsheets]
 

asked by Tom Hofkens https://tex.stackexchange.com/landing/r/digest?cta=user&id=212745 1 vote