\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
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\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{Dockson}
\pdfinfo{
  /Title (c-basics.pdf)
  /Creator (Cheatography)
  /Author (Dockson)
  /Subject (C++ Basics Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\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
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% Font and Colours
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\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{C++ Basics Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Dockson} via \textcolor{DarkBackground}{\uline{cheatography.com/24842/cs/6284/}}}
\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}Dockson \\
  \uline{cheatography.com/dockson} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 6th December, 2015.\\
   Updated 12th 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*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Iterator for loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{for(std::vector\textless{}int\textgreater{}::iterator it = v.begin(); it != v.end(); ++it) \{ \newline     it-\textgreater{}doSomething(); \newline  \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Lambda}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{[}captures{]} (parameters) mutable -\textgreater{} return-type \{body\} \newline {[}{]} = argument att fånga (behandlas som globala variabler). \newline () = normala funktionsargument.  \newline -\textgreater{} return-type = datatyp att returnera.  \newline mutable = l{\"a}gg till om du vill {\"a}ndra på något. Non-const function.  \newline \{\} = function goes here.  \newline Lambda går att skriva helt utan (), -\textgreater{} return-type och mutable.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Felhantering}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{try \{ \newline     foo() //foo kastar ett error med throw("Feltext") någonstans i koden \newline \} \newline catch(exception\& e) \newline \{ \newline     std::cout \textless{}\textless{} e.what() \textless{}\textless{} std::endl; // blir "Feltext" \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{for\_each loop med lambda}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{vector\textless{}int\textgreater{} v;  \newline int sum\{0\}; \newline for\_each(v.begin(), v.end(), {[}\&sum{]}(int x) -\textgreater{} void \{ \newline     sum += x; \newline \});} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{L{\"a}sa från fil med ifstream}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{ifstream file("/some/path") \newline string line; \newline vector\textless{}string\textgreater{} file\_content; \newline while (getline(file, line)) \{ \newline     \seqsplit{file\_content.push\_back(line);} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Range-based for loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{vector\textless{}int\textgreater{} v; \newline for(int i : v) \{ // i = f{\"o}rv{\"a}ntad datatyp \newline   //doSomething   \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Hitta saker med egen j{\"a}mf{\"o}relse}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{find\_if (InputIt first, InputIt last, UnaryPredicate boolFunction) //returns iterator to element if found, otherwise returns last \newline  \newline find\_if\_not() finns också.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Kommandoradsargument med validering}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{int main(int argc, char* argv{[} {]}) \{ // plocka ut argument. \newline     vector\textless{}string\textgreater{} arg(argv, argv + argc);  \newline     int num\_of\_iterations; \newline     istringstream arg(arg.at(1)); \newline     if(!(arg \textgreater{}\textgreater{} num\_of\_iterations)) //om arg inte kan g{\"o}ras till int så kastas      logic\_error \{ \newline         throw logic\_error("Error meddelande"); \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Huvudklass till subklass (Employee ← Boss)}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Boss{\emph{ b = dynamic\_cast\textless{}Boss}}\textgreater{}(employee); \newline if (b != nullptr) \{ \newline     std::cout \textless{}\textless{} b -\textgreater{} get\_bonus  \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{\seqsplit{Konstruktorer/tilldelning}}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Ptr(Ptr const\& rhs); //kopieringskostruktor \newline Ptr\& operator = (Ptr const\& rhs); //kopieringstilldelning \newline Ptr(Ptr \&\& this) //flyttkonstruktor \newline Ptr\& operator = (Ptr \&\& rhs(?)) //flytt tilldelning} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Slumpa tal}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}random\textgreater{} \newline std::random\_device rnd; \newline std::uniform\_int\_distribution\textless{}int\textgreater{} num(1,100); // tal mellan 1-100 \newline std::cout \textless{}\textless{} num(rnd) \textless{}\textless{} std::endl;} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}