7.4.1 Top new questions this week

7.4.1.1 How can I fill an arbitrarily sized matrix with asterisks?
7.4.1.2 Save the body of an environment to a macro, without typesetting
7.4.1.3 How to define a boxed environment using tcolorbox like the following picture?
7.4.1.4 Cycle or specify implicant colors in karnaugh-map
7.4.1.5 How to make a square with circles using tikz?
7.4.1.6 Generative book cover
7.4.1.7 \selectlanguage pushes section to new page
7.4.1.1 How can I fill an arbitrarily sized matrix with asterisks?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578777

I'm writing a latex document and am using lots of examples of matrices where every entry is \ast. I'd like to write a macro that automatically makes such a matrix for me. So, this would look something ... 
[macros] [loops]
 
asked by Brian Fitzpatrick https://tex.stackexchange.com/landing/r/digest?cta=user&id=31016 7 votes
answered by F. Pantigny https://tex.stackexchange.com/landing/r/digest?cta=user&id=163000 13 votes
7.4.1.2 Save the body of an environment to a macro, without typesetting

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578878

I am trying to save the contents (i.e., the body) of an environment into a macro for later use (in order to typeset it later in the document). I thought of using the environ package (see the minimal ... 
[macros] [environments]
 
asked by digital-Ink https://tex.stackexchange.com/landing/r/digest?cta=user&id=10635 7 votes
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 9 votes
7.4.1.3 How to define a boxed environment using tcolorbox like the following picture?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578686

I tried the following code, but the quotation marks at the top left is not at the right place. 
\documentclass{article} 
\usepackage[many]{tcolorbox} 
\newtcolorbox{note}[1][\linewidth]{ 
enhanced, 
... 
[tcolorbox]
 
asked by Misaya https://tex.stackexchange.com/landing/r/digest?cta=user&id=204155 7 votes
answered by Fran https://tex.stackexchange.com/landing/r/digest?cta=user&id=11604 11 votes
7.4.1.4 Cycle or specify implicant colors in karnaugh-map

https://tex.stackexchange.com/landing/r/digest?cta=question&id=579257

I'm drawing Karnaugh maps using Mattias Jacobsson's excellent karnaugh-map package. 
Each implicant is drawn in a different color -- unless there are more than 6.  After that, the colors all get stuck ... 
[karnaugh]
 
asked by Bill Nace https://tex.stackexchange.com/landing/r/digest?cta=user&id=180171 6 votes
answered by gernot https://tex.stackexchange.com/landing/r/digest?cta=user&id=110998 4 votes
7.4.1.5 How to make a square with circles using tikz?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578910

Im trying to make a square like this 
but Im not able to do so. 
The idea is to make a square an put 4 circles centered in the corners, but I dont know how to make the fill cover all the circle sector ... 
[tikz-pgf]
 
asked by riccs_0x https://tex.stackexchange.com/landing/r/digest?cta=user&id=115642 6 votes
answered by Zarko https://tex.stackexchange.com/landing/r/digest?cta=user&id=18189 9 votes
7.4.1.6 Generative book cover

https://tex.stackexchange.com/landing/r/digest?cta=question&id=579057

I wonder if it is possible to use LaTeX tools to generate a book cover inspired by Faber Finds project. 
http://blog.fabric.ch/index.php?/archives/62-Faber-Finds-generative-book-covers.html 
The ... 
[tikz-pgf] [metapost] [bookcover]
 
asked by ReRunner https://tex.stackexchange.com/landing/r/digest?cta=user&id=112124 6 votes
answered by Jairo A. del Rio https://tex.stackexchange.com/landing/r/digest?cta=user&id=226564 8 votes
7.4.1.7 \selectlanguage pushes section to new page

https://tex.stackexchange.com/landing/r/digest?cta=question&id=578788

The following code 
\documentclass{article} 
\usepackage{kantlipsum} 
\usepackage[ngerman,english]{babel} 
\begin{document} 
\section{Foo} 
\kant[1] 
\begin{itemize} 
\item 
\item 
\item 
\item 
\item 
\end{... 
[page-breaking] [babel] [write]
 
asked by campa https://tex.stackexchange.com/landing/r/digest?cta=user&id=82917 6 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes