7.40.2 Greatest hits from previous weeks

7.40.2.1 tlmgr cannot setup TLPDB
7.40.2.2 How to add indentation
7.40.2.3 How do I turn off equation auto numbering
7.40.2.4 What point (pt) font size are \Large etc.?
7.40.2.5 Dictionary for TeXstudio: 'No dictionary Available'
7.40.2.6 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?
7.40.2.7 Matrix in Latex
7.40.2.1 tlmgr cannot setup TLPDB

https://tex.stackexchange.com/landing/r/digest?cta=question&id=137428

I'm trying to update my installation of texlive 2013 under Ubuntu 13.10. 
However, I followed the instruction on this answer, but I get an error 
(running on Debian, switching to user mode!) 
cannot ... 
[errors] [texlive] [ubuntu]
 
asked by adn https://tex.stackexchange.com/landing/r/digest?cta=user&id=7561 223 votes
answered by ppr https://tex.stackexchange.com/landing/r/digest?cta=user&id=28474 212 votes
7.40.2.2 How to add indentation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=45501

I am writing a thesis report using LaTeX and I need to add indentations because every new paragraph starts from the initial position on the left. 
How do I add indentations? 
[spacing] [indentation]
 
asked by pavani https://tex.stackexchange.com/landing/r/digest?cta=user&id=9327 116 votes
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 77 votes
7.40.2.3 How do I turn off equation auto numbering

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2597

I have an equation like this: 
\begin{align} 
P(A \cup B) = \sum_{\omega \in A \cup B} P(\omega) = \sum_{\omega \in A} P(\omega) + \sum_{\omega \in B} P(\omega) 
= P(A) + P(B) 
\end{... 
[equations] [numbering]
 
asked by user1046 https://tex.stackexchange.com/landing/r/digest?cta=user&id=1046 160 votes
answered by levesque https://tex.stackexchange.com/landing/r/digest?cta=user&id=10 180 votes
7.40.2.4 What point (pt) font size are \Large etc.?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=24599

In the preamble I have: 
\documentclass[a4paper,11pt]{article} 
\usepackage{fontspec} 
\setmainfont{Arial} 
What can be inferred about the real font pt size for the following? 
\tiny, \scriptsize, \... 
[fontsize] [class-options]
 
asked by Level1Coder https://tex.stackexchange.com/landing/r/digest?cta=user&id=6825 270 votes
answered by Alan Munn https://tex.stackexchange.com/landing/r/digest?cta=user&id=2693 422 votes
7.40.2.5 Dictionary for TeXstudio: 'No dictionary Available'

https://tex.stackexchange.com/landing/r/digest?cta=question&id=87650

I have trouble spell checking my document in TeXstudio. When I press spellcheck, I get the error No dictionary Available. Am I supposed to install a dictionary separately? How? Any suggestion? 
[texstudio] [spelling] [dictionaries]
 
asked by N Nik https://tex.stackexchange.com/landing/r/digest?cta=user&id=21429 101 votes
answered by Peter Jansson https://tex.stackexchange.com/landing/r/digest?cta=user&id=19384 140 votes
7.40.2.6 How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2291

I've seen documentation whereby an \alph command is put around the \begin{enumerate} somewhere, but I'm not entirely sure how that operates... 
[numbering] [lists] [enumerate]
 
asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 366 votes
answered by frabjous https://tex.stackexchange.com/landing/r/digest?cta=user&id=411 321 votes
7.40.2.7 Matrix in Latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=204621

I am new to Latex, and I have been trying to get the matrix of following form 
[x11 x12 x13 . . . . x1n 
x21 x22 x23 . . . . x2n 
. 
. 
. 
. 
xd1 xd2 xd3 . . . . xdn] 
... 
[matrices]
 
asked by Lakshmi Narayanan https://tex.stackexchange.com/landing/r/digest?cta=user&id=63361 130 votes
answered by skpblack https://tex.stackexchange.com/landing/r/digest?cta=user&id=42912 200 votes