\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{zenWeasel (zenweasel)}
\pdfinfo{
  /Title (erlang.pdf)
  /Creator (Cheatography)
  /Author (zenWeasel (zenweasel))
  /Subject (Erlang Cheat Sheet)
}

% Lengths and widths
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\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A10D2A}
\definecolor{LightBackground}{HTML}{F9EFF1}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Erlang Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{zenWeasel (zenweasel)} via \textcolor{DarkBackground}{\uline{cheatography.com/257/cs/522/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}zenWeasel (zenweasel) \\
  \uline{cheatography.com/zenweasel} \\
        \uline{\seqsplit{brenthoover}.com}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 14th August, 2012.\\
   Updated 13th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Erlang Built-in Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Integer} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Float} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Atom & An atom is a literal, a constant with name. An atom should be enclosed in single quotes (') if it does not begin with a lower-case letter or if it contains other characters than alphanumeric characters, underscore (\_), or @. \tn 
% Row Count 11 (+ 9)
% Row 3
\SetRowColor{white}
bit string & Store an area of untyped memory. e.g. \textless{}\textless{}"ABC"\textgreater{}\textgreater{}. \tn 
% Row Count 13 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Binary & A number of bit strings which is divisible by eight \tn 
% Row Count 15 (+ 2)
% Row 5
\SetRowColor{white}
Reference & An arbitrary "marker" than can be later use to reference a Process, function, etc. \tn 
% Row Count 19 (+ 4)
% Row 6
\SetRowColor{LightBackground}
Fun & A special variable that holds a function \tn 
% Row Count 21 (+ 2)
% Row 7
\SetRowColor{white}
Port Identifier & Used to identify a specific port when using port drivers \tn 
% Row Count 24 (+ 3)
% Row 8
\SetRowColor{LightBackground}
Pid & A process identifier. Usually returned by functions like spawn() \tn 
% Row Count 27 (+ 3)
% Row 9
\SetRowColor{white}
Tuple \{{\emph{term}}, {\emph{term}}\} & Compound data type with a fixed number of terms \tn 
% Row Count 29 (+ 2)
% Row 10
\SetRowColor{LightBackground}
List & Compound data type with a variable number of terms. \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Erlang Built-in Data Types (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
String & Not an actual data type. Stored as a list of integers \tn 
% Row Count 3 (+ 3)
% Row 12
\SetRowColor{white}
Record & A record is a data structure for storing a fixed number of elements. \tn 
% Row Count 6 (+ 3)
% Row 13
\SetRowColor{LightBackground}
Boolean & Not an actual data type, but the atoms {\emph{true}} and {\emph{false}} represent those values when testing \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{BIF's: Type Conversion}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{atom\_to\_list(hello)}. & "hello" \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{list\_to\_atom("hello")}. & hello \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
binary\_to\_list(\textless{}\textless{}"hello"\textgreater{}\textgreater{}). & "hello" \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{list\_to\_binary("hello")}. & \textless{}\textless{}104,101,108,108,111\textgreater{}\textgreater{} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
float\_to\_list(7.0). & \seqsplit{"7.00000000000000000000e+00"} \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{list\_to\_float("7.000e+00").} & 7.0 \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
tuple\_to\_list(\{a,b,c\}). & {[}a, b, c{]} \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
list\_to\_tuple({[}a,b,c{]}). & \{a, b. c\} \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
term\_to\_binary(\{a,b,c\}). & \textless{}\textless{}131,104,3,100,0,1,97,100,0,1,98,100,0,1,99\textgreater{}\textgreater{} \tn 
% Row Count 18 (+ 3)
% Row 9
\SetRowColor{white}
binary\_to\_term(\textless{}\textless{}131,104,3,100,0,1,97,100,0,1,98,100,0,1,99\textgreater{}\textgreater{}). & \{a, b, c\} \tn 
% Row Count 22 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Module Attributes}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\seqsplit{-modules(name\_of\_module)}.} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{-export({[}functions{]}).} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{-import(module, functions).} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{-compile(options).} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{-vsn(Vsn).} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{-on\_load(function).} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{-behavior(behavior).} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{-record(Record,Fields).} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}