6.56.3 Can you answer these questions?

6.56.3.1 Insert Cover as Double Page

https://tex.stackexchange.com/landing/r/digest?cta=question&id=565101

I am ready to send my project (class = book, A4) to the printer as a PDF. But they request that I insert--in the beginning of the document--the book cover as a double-page with 0.8 cm thickness for ... 
[books]
 

asked by Michael Perdue https://tex.stackexchange.com/landing/r/digest?cta=user&id=187826 1 vote

6.56.3.2 Listings custom counter

https://tex.stackexchange.com/landing/r/digest?cta=question&id=565239

I've wanted to create custom listings style with its own counter. The problem I have right now is that the counter is not increased by 1 but by 2. 
Here is an example: 
Output: First listings counter is ... 
[listings]
 

asked by Nyanyan https://tex.stackexchange.com/landing/r/digest?cta=user&id=195595 1 vote

answered by John Kormylo https://tex.stackexchange.com/landing/r/digest?cta=user&id=34505 0 votes

6.56.3.3 'Cannot find file' error when running biber (2)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=564700

I'm writing my thesis using biblatex and biber for the references. When I compile I get the following error message: 
ERROR - Cannot find 'C:/Users/dvale/Documentos/3_References/References.bib'! 
I had ... 
[biblatex] [bibliographies] [citing] [biber]
 

asked by Daniel Valencia C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=107689 1 vote

answered by Daniel Valencia C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=107689 0 votes