2.45.1 Top new questions this week

2.45.1.1 Why do \sqrt 1  and \sqrt -1  have different heights?

http://tex.stackexchange.com/questions/340157/why-do-sqrt1-and-sqrt-1-have-different-heights

I noticed that the heights of \sqrt{1} and \sqrt{-1} are different. For instance, when they are in between \left( and \right) parentheses, I must write a character of zero-width (e.g.  ...
 

- asked by vagoberto (33 votes), answered by egreg (25 votes)

2.45.1.2 Can \cref be made to ignore spaces?

http://tex.stackexchange.com/questions/340492/can-cref-be-made-to-ignore-spaces

I think this MWE says it all. \cite can ignore spaces in its argument, while \cref cannot. I wonder if \cref could be improved that way. 
\documentclass{article} 
\usepackage{cleveref} 
...
 

- asked by bers (10 votes), answered by Heiko Oberdiek (10 votes)

2.45.1.3 How insert a character at the begin of every line from a source code?

http://tex.stackexchange.com/questions/340232/how-insert-a-character-at-the-begin-of-every-line-from-a-source-code

I'm writing a lecture with many source codes for example. The codes are stored in severus different files. I use listing and minted packages for formatting the sources. 
I would like add character at  ...
 

- asked by Adolfo Correa (9 votes), answered by Ulrike Fischer (8 votes)

2.45.1.4 How to define the "A~\237" character for Calligra font

http://tex.stackexchange.com/questions/340123/how-to-define-the-%c3%9f-character-for-calligra-font

I'm trying to write some text in german and spanish using babel and the font calligra. I have found out that when it comes to the "A~\237" character, the outputs is actually "e" (see words in red). Is  ...
 

- asked by Charlie (9 votes), answered by Heiko Oberdiek (11 votes)

2.45.1.5 Drawing Indian Flag using tikz

http://tex.stackexchange.com/questions/340047/drawing-indian-flag-using-tikz

I am trying to draw an Indian Flag using ideas from here and others including an Ashok-chakra symbol from overleaf example. I want to have the proper coding with correct dimensions mentioned at  ...
 

- asked by Khaaba (9 votes), answered by Mark Wibrow (9 votes)

2.45.1.6 Why do people use braces around the control sequence in \newcommand?

http://tex.stackexchange.com/questions/340734/why-do-people-use-braces-around-the-control-sequence-in-newcommand

I've seen in every introductory material on LaTeX and in a lot of code of other people (event experts) that the \newcommand command is used by wrapping the first argument in braces, even if it seems  ...
 

- asked by gigabytes (7 votes), answered by David Carlisle (9 votes)

2.45.1.7 How to adjust the alignment of this 10x10 matrix?

http://tex.stackexchange.com/questions/340371/how-to-adjust-the-alignment-of-this-10x10-matrix

How to adjust the alignment of this 10x10 matrix? 
\begin{center} 
\begin{tikzpicture} 
\draw[step=1cm,color=white!80!black] (0,0) grid (10,10); 
\matrix 
[ matrix of nodes, 
inner  ...
 

- asked by Andrea Leo (7 votes), answered by percusse (10 votes)