4.21.2 Greatest hits from previous weeks

4.21.2.1 inputenc Error: Unicode char \u8: not set up for use with LaTeX
4.21.2.2 How to create fixed width table columns with text raggedright/centered/raggedleft?
4.21.2.3 Force figure placement in text
4.21.2.4 Problem with compiling BibTex: "no \citation commands" error
4.21.2.5 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?
4.21.2.6 How can I split an equation over two (or more) lines
4.21.2.7 Using multicolumn in latex
4.21.2.1 inputenc Error: Unicode char \u8: not set up for use with LaTeX

https://tex.stackexchange.com/landing/r/newsletter?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/newsletter?cta=user&id=19116 86 votes
answered by egreg https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4427 70 votes
4.21.2.2 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/newsletter?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} 
... 
[tables] [horizontal-alignment] [width]
 
asked by Covi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3970 210 votes
answered by lockstep https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=510 322 votes
4.21.2.3 Force figure placement in text

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=8625

I have a problem when a lot of figures are in question. Some figures tend to "fly around", that is, be a paragraph below, although I placed them before that paragraph. I use code: 
\begin{figure}[ht] 
... 
[floats] [positioning] [captions]
 
asked by Marin https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2755 358 votes
answered by Juan A. Navarro https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=169 432 votes
4.21.2.4 Problem with compiling BibTex: "no \citation commands" error

https://tex.stackexchange.com/landing/r/newsletter?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  ... 
[bibliographies] [bibtex]
 
asked by zfm https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3559 48 votes
4.21.2.5 Is there a way to slightly shrink a table, including font size, to fit within the column boundaries?

https://tex.stackexchange.com/landing/r/newsletter?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/newsletter?cta=user&id=3504 97 votes
answered by Martin Scharrer https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=2975 143 votes
4.21.2.6 How can I split an equation over two (or more) lines

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=3782

I am having the following equation: 
\begin{equation} 
Q(\lambda,\hat{\lambda}) = -\frac{1}{2} P(O \mid \lambda ) \sum_s \sum_m \sum_t \gamma_m^{(s)} (t) \left( n \log(2 \pi ) + \log \left| C_m^{(s)}  ... 
[math-mode] [equations] [line-breaking] [breqn]
 
asked by Peter Smit https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=459 191 votes
answered by Will Robertson https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=179 136 votes
4.21.2.7 Using multicolumn in latex

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=131867

I want to create a table like this using Latex 
|               sets            | 
| 1 | 2 | 3 | 4 | 5 | 6 |  ... 
[multicolumn]
 
asked by mahmood https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=36294 44 votes
answered by m0nhawk https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=9790 72 votes