6.45.2 Greatest hits from previous weeks

6.45.2.1 Error in TeX Live a^\200\223 Font ... not loadable: Metric (TFM) file not found

https://tex.stackexchange.com/landing/r/digest?cta=question&id=75166

I freshly installed 'basic' version of TeX Live 2012 (not full, only basic version). 
I have following line in my code: 
\usepackage[T1]{fontenc} 
I get following error: 
... 
[fonts] [errors] [packages] [texlive] [font-encodings]
 

asked by abhinavkulkarni https://tex.stackexchange.com/landing/r/digest?cta=user&id=12992 128 votes

answered by mpg https://tex.stackexchange.com/landing/r/digest?cta=user&id=1239 97 votes

6.45.2.2 The \bar and \overline commands

https://tex.stackexchange.com/landing/r/digest?cta=question&id=22100

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the  ... 
[stacking-symbols]
 

asked by 3Sphere https://tex.stackexchange.com/landing/r/digest?cta=user&id=6487 146 votes

answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 83 votes

6.45.2.3 Underscores in words (text)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=48632

How can I produce the text Word_one_two in LaTeX? 
I tried: 
Samp\_Dist\_Corr 
But, it doesn't quite look right. Also, I want it in the typewriter font, so actually, I'm doing: 
... 
[characters] [typewriter]
 

asked by Flux Capacitor https://tex.stackexchange.com/landing/r/digest?cta=user&id=11728 184 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 159 votes

6.45.2.4 How to write a function (piecewise) with bracket outside?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=32140

How to write this Piecewise function using LaTeX? 
I tried 
$ 
\begin{array}{cc} 
\{ & 
\begin{array}{cc} 
0 & x\leq 0 \\ 
\frac{100-x}{100} & 0\leq x\leq 100 \\ 
0  ... 
[math-mode] [equations] [brackets]
 

asked by GarouDan https://tex.stackexchange.com/landing/r/digest?cta=user&id=5314 155 votes

answered by Ant https://tex.stackexchange.com/landing/r/digest?cta=user&id=6984 194 votes

6.45.2.5 How to write cases with LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=240868

The code i used to write 
is this one 
$$ 
X(m,n)= 
\begin{cases} 
x(n),\\ 
x(n-1)\\ 
x(n-1) 
\end{cases} 
$$ 
But I don't know how to write this one 
I appreciate any help. 
Edited: I'm sorry to add  ... 
[math-mode] [cases]
 

asked by marya https://tex.stackexchange.com/landing/r/digest?cta=user&id=65856 142 votes

answered by Ignasi https://tex.stackexchange.com/landing/r/digest?cta=user&id=1952 109 votes

6.45.2.6 How to install "vanilla" TeXLive on Debian or Ubuntu?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1092

Debian and Ubuntu have very good texlive packaging. But I'd like to use tlmgr to have a more fine-grained control about upgrades and which packages I want to be installed. 
So how do I install  ... 
[packages] [texlive] [installing] [linux] [tlmgr]
 

asked by Dima https://tex.stackexchange.com/landing/r/digest?cta=user&id=137 294 votes

answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 80 votes

6.45.2.7 Changing the font size in a table

https://tex.stackexchange.com/landing/r/digest?cta=question&id=27097

What's the recommend way of changing the font size in a particular table? Is there a better way than enclosing all values with, for example, the \tiny function. 
[tables] [floats] [fontsize]
 

asked by csgillespie https://tex.stackexchange.com/landing/r/digest?cta=user&id=224 188 votes

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 122 votes