1.24.2 Greatest hits from previous weeks

Greatest hits from previous weeks:

1.24.2.1 Command for argmin or argmax?

http://tex.stackexchange.com/questions/5223/command-for-argmin-or-argmax

How can you get the argmin or argmax in Latex? Two solutions I found are: 
\underset{x}{\operatorname{argmax}} 
\DeclareMathOperator*{\argmin}{arg\,min} 
Any other ideas? 
[1]  ...
 

- asked by Alejandro (92 votes), answered by Jan Hlavacek (86 votes)

1.24.2.2 "Correct" way to bold/italicize text?

http://tex.stackexchange.com/questions/41681/correct-way-to-bold-italicize-text

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  ...
 

- asked by Mehrdad (202 votes), answered by Todd Lehman (196 votes)