8.74.2 Greatest hits from previous weeks

8.74.2.1 Math symbol question: Vertical bar for ''evaluated at ...''
8.74.2.2 inputenc Error: Unicode char \u8: not set up for use with LaTeX
8.74.2.3 Superscript outside math mode
8.74.2.4 making appendix for thesis
8.74.2.5 How to create fixed width table columns with text raggedright/centered/raggedleft?
8.74.2.6 How can I have two tables side by side?
8.74.2.7 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?
8.74.2.1 Math symbol question: Vertical bar for ''evaluated at ...''

https://tex.stackexchange.com/landing/r/digest?cta=question&id=40160

How do I insert the line "|" after the equation in LaTeX (see image below)? 
I'm using LyX so if you can point me to the symbol of that line is also OK. 
I don't know if this line has a proper name so ... 
[math-mode] [symbols] [lyx]
 
asked by rasgo https://tex.stackexchange.com/landing/r/digest?cta=user&id=10511 Score of 183
8.74.2.2 inputenc Error: Unicode char \u8: not set up for use with LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=83440

This is with ref to my previous question Package clash in multilingual report. 
\documentclass[11pt,table,a4paper]{article} 
\usepackage{lmodern} 
\usepackage[utf8]{inputenc} 
\usepackage[T1]{fontenc} 
\... 
[errors] [unicode] [languages] [cyrillic] [input-encodings]
 
asked by Manish https://tex.stackexchange.com/landing/r/digest?cta=user&id=19116 Score of 129
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 98
8.74.2.3 Superscript outside math mode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=47324

What is the easiest way to superscript text outside of math mode? 
For example, let's say I want to write the $n^{th}$ element, but without the math mode's automatic italicization of the th.  And what ... 
[superscripts]
 
asked by jamaicanworm https://tex.stackexchange.com/landing/r/digest?cta=user&id=9757 Score of 529
answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 Score of 770
8.74.2.4 making appendix for thesis

https://tex.stackexchange.com/landing/r/digest?cta=question&id=49643

I need some help with creating an appendix for my thesis. I have about 10 figures which need to be in the appendix. I have a good appendix with the following code: 
\appendix 
\addcontentsline{toc}{... 
[appendices] [thesis]
 
asked by user13017 https://tex.stackexchange.com/landing/r/digest?cta=user&id=13017 Score of 224
answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 Score of 238
8.74.2.5 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=12703

I would like to create a table with some columns' width specified, while the text in those columns should be centered both horizontally and vertically. I found out that 
\usepackage{array} 
\begin{... 
[tables] [horizontal-alignment] [width]
 
asked by Covi https://tex.stackexchange.com/landing/r/digest?cta=user&id=3970 Score of 293
answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 Score of 453
8.74.2.6 How can I have two tables side by side?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2832

Suppose I have two tables that don't have many columns (3, for example). How can I position them side by side? 
[tables] [positioning]
 
asked by bada https://tex.stackexchange.com/landing/r/digest?cta=user&id=572 Score of 215
answered by TH. https://tex.stackexchange.com/landing/r/digest?cta=user&id=647 Score of 194
8.74.2.7 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=10863

I have a table that is just a little too wide for a 3.33" column. Is there a way to simply shrink the table a little to make it fit? I'm OK if the 10pt font becomes 9pt-something. Here is an example. 
... 
[tables] [scaling]
 
asked by Nathan Farrington https://tex.stackexchange.com/landing/r/digest?cta=user&id=3504 Score of 184
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 Score of 266