Various useful aliases, customizations, settings, packages, and such for LaTeX I've used over the years.

latex_customizations.tex

\documentclass[14pt]{extarticle}
% --------------------------------------------------------------------------
% Package imports
\usepackage{enumitem}
\usepackage{pdfpages}
\usepackage{calc}
\usepackage{ifthen}
\usepackage{geometry}
\usepackage{amsmath,amsthm,amsfonts,amssymb}
\usepackage{hyperref}
\usepackage{polynom}
\usepackage{listings}
% --------------------------------------------------------------------------

\pdfinfo{ % Meta-data for generated PDF
  	/Title (\@title)
	%/Subtitle ()
	/Creator (TeXworks)
  	/Author (\@author)
 	/Subject ()
	/Keywords (PDF;LaTeX;cgoes;goes8945;)
}

% Don't print section numbers
\setcounter{secnumdepth}{0}

% My Environments
\newcommand{\bbm}{\begin{bmatrix}}
\newcommand{\ebm}{\end{bmatrix}}
\newcommand{\ben}{\begin{enumerate}}
\newcommand{\een}{\end{enumerate}}
\newcommand{\bi}{\begin{itemize}}
\newcommand{\ei}{\end{itemize}}
\newcommand{\eq}[1]{\begin{align*}#1\end{align*}} % Usage: \eq{ <equation> }
\newcommand{\dydx}{\frac{dy}{dx}}
\newcommand{\part}{\partial}

% Letters instead of numbers for enumerated lists (Alph for capitals)
%\setenumerate[0]{label=(\alph*)}

% --------------------------------------------------------------------------
% --------------------------------------------------------------------------

\begin{document}

% --------------------------------------------------------------------------
% Title page

\title{}
\date{}
\author{Christopher E Goes}
% \maketitle

% --------------------------------------------------------------------------
% Document Content



%------------------------------------------------------------------------
% End of Document %
\end{document}

%------------------------------------------------------------------------
%------------------------------------------------------------------------

%------------------------------------------------------------------------
%------------------------------------------------------------------------
\iffalse %%%%
\begin{thebibliography}{9}

\bibitem{du14}
	Du, W.
	\textit{SQL Injection Attack Lab - Using Collabtive.}\\
	Syracuse University, New York, 2011.
	
\end{thebibliography}
\fi %%%%
%------------------------------------------------------------------------

\iffalse
\bibitem{stallings14}
	Stallings, W. and Brown, L.
  	\textit{Computer Security: Principles and Practice.}
 	 Pearson, New South Wales, 2014.
\fi
	
\end{thebibliography}

%------------------------------------------------------------------------
%------------------------------------------------------------------------

%------------------------------------------------------------------------
% You can even have references
%\rule{0.3\linewidth}{0.25pt}
%\scriptsize
%\bibliographystyle{abstract}
%\bibliography{refFile}
%------------------------------------------------------------------------

\end{document}