4.11.2 Greatest hits from previous weeks

4.11.2.1 Where do I place my own .sty or .cls files, to make them available to all my .tex files?
4.11.2.2 Not equal sign (a^\211 ) with a vertical bar
4.11.2.3 TexMaker - "File not found" when viewing as pdf
4.11.2.4 Why is \newpage ignored sometimes ?
4.11.2.5 How to add a forced line break inside a table cell
4.11.2.6 Is there any way to do a correct word count of a LaTeX document?
4.11.2.7 What are all the font styles I can use in math mode?
4.11.2.1 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/newsletter?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 Lycken https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=223 428 votes
answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=213 276 votes
4.11.2.2 Not equal sign (a^\211 ) with a vertical bar

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=108193

Is it possible to get a \neq but with a vertical bar instead of a slanted one? There are inequality operators like AMS's \gvertneqq that feature this kind of "not equal" but not without mixing it with  ... 
[math-mode] [symbols] [relation-symbols]
 
asked by Christian https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13450 31 votes
answered by Heiko Oberdiek https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=16967 23 votes
4.11.2.3 TexMaker - "File not found" when viewing as pdf

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=45900

At the moment I'm having a problem when trying to view my LaTeX file as a PDF. Whether I do it internal or external I both the error "File not found.". 
I have no idea what file it means. I've read  ... 
[errors] [pdf] [texmaker]
 
asked by Floris Devriendt https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=12124 31 votes
answered by TorbjA~,rn T. https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=586 29 votes
4.11.2.4 Why is \newpage ignored sometimes ?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=2958

I have the following towards the end of an article. The bibliography is short (4 entries). 
What's happening is that on the very last page of document I get the chart and immediately afterwards the  ... 
[floats] [page-breaking]
 
asked by wishihadabettername https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=564 92 votes
answered by Will Robertson https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=179 130 votes
4.11.2.5 How to add a forced line break inside a table cell

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=2441

I have some text in a table and I want to add a forced line break. I want to insert a forced line break without having to specify the column width, i.e. something like the following: 
... 
[tables] [line-breaking]
 
asked by Denilson SA~\[DownExclamation] Maiahttps://tex.stackexchange.com/landing/r/newsletter?cta=user&id=375 485 votes
answered by Bernard https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=38908 188 votes
4.11.2.6 Is there any way to do a correct word count of a LaTeX document?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=534

Often assignments (or even papers) have a word count limit. That is not a big deal when using Word, but I don't know how to do that using LaTeX. My solution has been so far to compile the document and  ... 
[packages] [compiling] [word-count] [scripts]
 
asked by Vivi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=14 299 votes
answered by ShreevatsaR https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=48 159 votes
4.11.2.7 What are all the font styles I can use in math mode?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=58098

As can be seen in above picture, there are lots of fonts or font styles that can be used in math mode. 
What are all the fonts or font styles I can use in math mode, and which packages are required  ... 
[fonts] [math-mode] [big-list] [latin-modern] [computer-modern]
 
asked by doncherry https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4012 303 votes
answered by Christian https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13450 400 votes