6.36.3 Can you answer these questions?

6.36.3.1 TikZ Picture Does not get Printed

https://tex.stackexchange.com/landing/r/digest?cta=question&id=552712

When adding a figure made with TikZ, it seems like figures are not printed in some situations. For me, I currently cannot find out which are the exact circumstances causing this issue. 
As minimal  ... 
[tikz-pgf] [floats] [pdftex]
 

asked by David Georg Reichelt https://tex.stackexchange.com/landing/r/digest?cta=user&id=85628 1 vote

6.36.3.2 How to change the delimiters

https://tex.stackexchange.com/landing/r/digest?cta=question&id=552416

I use the package txfonts and I like the delimiters,I want to change them to those of Computer Modern. The difference is very clear between one and the other 
[delimiters] [txfonts]
 

asked by Alejandra BenA~\[DiscretionaryHyphen]tez https://tex.stackexchange.com/landing/r/digest?cta=user&id=218872 1 vote

6.36.3.3 Fading away from curve using fillbetween library

https://tex.stackexchange.com/landing/r/digest?cta=question&id=552174

I have two paths defined that I would like to have filled and have fading. I want the fading to be 100% along some curve, and then fading as it gets further away from that curve. So specifying [top  ... 
[tikz-pgf] [pgfplots] [fillbetween]
 

asked by E.L. https://tex.stackexchange.com/landing/r/digest?cta=user&id=219723 1 vote