11.53.2 Greatest hits from previous weeks

11.53.2.1 What can I use to typeset MATLAB code in my document?
11.53.2.2 How to typeset subscript in usual text mode?
11.53.2.3 Matrix in Latex
11.53.2.4 Where do I place my own .sty or .cls files, to make them available to all my .tex files?
11.53.2.5 How to add an extra level of sections with headings below \subsubsection
11.53.2.6 LaTeX Editors/IDEs
11.53.2.7 "Correct" way to bold/italicize text?
11.53.2.1 What can I use to typeset MATLAB code in my document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=75116

This question led to a new package: 
matlab-prettifier 
Does anybody have a quick and easy way to typeset some relatively long MATLAB code in the appendix? I looked up a few methods, and the mcode ... 
[listings] [highlighting] [matlab]
 
asked by suzu https://tex.stackexchange.com/landing/r/digest?cta=user&id=19279 Score of 120
11.53.2.2 How to typeset subscript in usual text mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1013

It's easy to make subscripts in math mode: $a_i$. 
How do I make a subscript outside math environment, likethis? 
[subscripts]
 
asked by P Shved https://tex.stackexchange.com/landing/r/digest?cta=user&id=280 Score of 329
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 215
11.53.2.3 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] 
Where ... 
[matrices]
 
asked by Lakshmi Narayanan https://tex.stackexchange.com/landing/r/digest?cta=user&id=63361 Score of 154
answered by skpblack https://tex.stackexchange.com/landing/r/digest?cta=user&id=42912 Score of 226
11.53.2.4 Where do I place my own .sty or .cls files, to make them available to all my .tex files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1137

I know how to define a package or a class, but how do I make it available (to myself) at all times? 
Say I have the package file commonstuff.sty (or myprettyclass.cls), that I want to be able to ... 
[packages] [installing] [document-classes] [texmf]
 
asked by Tomas Aschan https://tex.stackexchange.com/landing/r/digest?cta=user&id=223 Score of 658
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 Score of 413
11.53.2.5 How to add an extra level of sections with headings below \subsubsection

https://tex.stackexchange.com/landing/r/digest?cta=question&id=60209

I have a document which requires many levels of sectioning. I have sections, subsections and subsubsections, but require one more level below that. I can't change the sections to be parts and move ... 
[sectioning] [sections-paragraphs]
 
asked by robintw https://tex.stackexchange.com/landing/r/digest?cta=user&id=495 Score of 408
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 365
11.53.2.6 LaTeX Editors/IDEs

https://tex.stackexchange.com/landing/r/digest?cta=question&id=339

What editors/IDEs are available for easing the process of writing TeX/LaTeX documents? 
Please state some useful features like code completion, spell checking, building final DVI or PDF files, etc. 
... 
[editors] [big-list] [ide] [resources]
 
asked by hayalci https://tex.stackexchange.com/landing/r/digest?cta=user&id=183 Score of 945
answered by YuppieNetworking https://tex.stackexchange.com/landing/r/digest?cta=user&id=146 Score of 368
11.53.2.7 "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 text ... 
[best-practices] [bold] [italic]
 
asked by user541686 https://tex.stackexchange.com/landing/r/digest?cta=user&id=2694 Score of 558
answered by Todd Lehman https://tex.stackexchange.com/landing/r/digest?cta=user&id=8499 Score of 501