9.50.2 Greatest hits from previous weeks

9.50.2.1 Matrix in Latex
9.50.2.2 "Correct" way to bold/italicize text?
9.50.2.3 Write pseudo code in latex
9.50.2.4 Problem with compiling BibTex: "no \citation commands" error
9.50.2.5 What is the LaTeX command for "em dash" (a^\200\224)?
9.50.2.6 Using the \tab Command
9.50.2.7 Dictionary for TeXstudio: 'No dictionary Available'
9.50.2.1 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 Score of 142
answered by skpblack https://tex.stackexchange.com/landing/r/digest?cta=user&id=42912 Score of 212
9.50.2.2 "Correct" way to bold/italicize text?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=41681

Is either of these considered better/more readable/more "proper"/more conventional than the other for making text bold? If so, what is the reason? 
I like my text \textbf{bold} 
versus: 
I like my ... 
[best-practices] [bold] [italic]
 
asked by user541686 https://tex.stackexchange.com/landing/r/digest?cta=user&id=2694 Score of 511
answered by Todd Lehman https://tex.stackexchange.com/landing/r/digest?cta=user&id=8499 Score of 466
9.50.2.3 Write pseudo code in latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=163768

I am trying to write pseudo code in my paper. Here is the snippet and image like what I want.  Can some one please help me to format it. 
\begin{algorithm} 
\caption{Euclida^\200\231s algorithm}\label{euclid} 
\... 
[algorithms]
 
asked by cyclic https://tex.stackexchange.com/landing/r/digest?cta=user&id=47334 Score of 133
answered by karlkoeller https://tex.stackexchange.com/landing/r/digest?cta=user&id=27635 Score of 182
9.50.2.4 Problem with compiling BibTex: "no \citation commands" error

https://tex.stackexchange.com/landing/r/digest?cta=question&id=18045

I'm really new to BibTex, I just wonder what is going wrong when I have this kind of error when I try to compile my bibliography file. 
I found no \citation commands---while reading file masterthesis.... 
[bibliographies] [bibtex]
 
asked by zfm https://tex.stackexchange.com/landing/r/digest?cta=user&id=3559 Score of 112
answered by Spike https://tex.stackexchange.com/landing/r/digest?cta=user&id=5150 Score of 45
9.50.2.5 What is the LaTeX command for "em dash" (a^\200\224)?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=53413

I am trying to insert the symbol in the title of the question, which I copied from a PDF article, but it appears as space in the output file. What is the corresponding LaTeX command? 
[symbols] [punctuation]
 
asked by Tarek https://tex.stackexchange.com/landing/r/digest?cta=user&id=13964 Score of 363
answered by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 Score of 390
9.50.2.6 Using the \tab Command

https://tex.stackexchange.com/landing/r/digest?cta=question&id=198432

I have seen several cases of people using the \tab command to insert a specific amount of space between objects (as opposed to the \hfill command which uses any remaining space).  However, I have ... 
[spacing]
 
asked by Mathematician https://tex.stackexchange.com/landing/r/digest?cta=user&id=49199 Score of 100
answered by Mathematician https://tex.stackexchange.com/landing/r/digest?cta=user&id=49199 Score of 115
9.50.2.7 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 Score of 110