\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{moreno74}
\pdfinfo{
  /Title (dos-and-don-ts.pdf)
  /Creator (Cheatography)
  /Author (moreno74)
  /Subject (Dos and Don'ts Cheat Sheet)
}

% Lengths and widths
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\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
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\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{466FA6}
\definecolor{LightBackground}{HTML}{F3F6F9}
\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{Dos and Don'ts Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{moreno74} via \textcolor{DarkBackground}{\uline{cheatography.com/186308/cs/38928/}}}
\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}moreno74 \\
  \uline{cheatography.com/moreno74} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 5th June, 2023.\\
   Updated 6th June, 2023.\\
   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{1.19448 cm} x{3.78252 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{How to read}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{DO}} & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{DONT}} & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{GLOBAL}}  \tn
% Row 0
\SetRowColor{LightBackground}
One function does one thing & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Write module unit tests & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Nested if/else & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Write component (s)css & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{FACADE}}  \tn
% Row 0
\SetRowColor{LightBackground}
One facade per feature & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Extract logic from facade & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Subscribe & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.64078 cm} x{2.60889 cm} x{1.32733 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{STATE MANAGEMENT}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\emph{ACTION}} & Use enum for action name & \{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\emph{REDUCER}} & Copy and write into state & \{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & Write mapping or filter logic & \{\{fa-thumbs-o-down\}\} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\emph{EFFECT}} & Delegate actions & \{\{fa-thumbs-up\}\} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & Use mergeMap to to delegate one action into multiple & \{\{fa-thumbs-o-down\}\} \tn 
% Row Count 11 (+ 3)
% Row 5
\SetRowColor{white}
 & Map server results & \{\{fa-thumbs-o-down\}\} \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
 & contractLatestFrom store & \{\{fa-thumbs-o-down\}\} \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
{\emph{SELECTOR}} & Read store value & \{\{fa-thumbs-up\}\} \tn 
% Row Count 17 (+ 2)
% Row 8
\SetRowColor{LightBackground}
 & USE CASE specific mapping, filtering, sorting & \{\{fa-thumbs-up\}\} \tn 
% Row Count 20 (+ 3)
% Row 9
\SetRowColor{white}
 & Chain selectors & \{\{fa-thumbs-up\}\} \tn 
% Row Count 22 (+ 2)
% Row 10
\SetRowColor{LightBackground}
 & Mapping logic & \{\{fa-thumbs-o-down\}\} \tn 
% Row Count 24 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{APPS}}  \tn
% Row 0
\SetRowColor{LightBackground}
Register Modules & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Setup Theming (Colors and Typograhy) & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Add business logic & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.93643 cm} x{2.04057 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DOMAIN / Infrastructure}}  \tn
% Row 0
\SetRowColor{LightBackground}
Get data from domain external sources & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Access store & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Subscribe & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.03597 cm} x{1.94103 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{FEATURE}}  \tn
% Row 0
\SetRowColor{LightBackground}
Subscribe in template & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Facade in template & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Keep component as small as possible & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Use angular life cycle onlnit for initialization & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Use Constructor only for dependency injection & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
Write components style & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Add buisness logic & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DOMAIN / Shell}}  \tn
% Row 0
\SetRowColor{LightBackground}
Register feature modules & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Add business logic & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.53367 cm} x{1.44333 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{UTILS}}  \tn
% Row 0
\SetRowColor{LightBackground}
Try to avoid & \{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Write pure functions which are used in feature {\bf{AND}} domain & \{\{fa-thumbs-up\}\} \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.53367 cm} x{1.44333 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{UI}}  \tn
% Row 0
\SetRowColor{LightBackground}
Write dum components whitch can be shared between features & \{\{fa-thumbs-up\}\} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.03597 cm} x{1.94103 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{TESTING / UNIT TEST}}  \tn
% Row 0
\SetRowColor{LightBackground}
Mock everything & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Make use of mockbuilder & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Test streams with testScheduler (marbles) & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
One expect per it & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Use TestBed & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
Subscribe to observable & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{If it does communicate, it is not a unit test.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{TESTING / INTEGRATION}}  \tn
% Row 0
\SetRowColor{LightBackground}
Mock server calls & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Use correct selector & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Test acceptance criteria & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Test text, color & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Test erver calls & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{AVOID {\bf{mulitple cy.visit}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.9908 cm} x{2.9862 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{TESTING / E2E}}  \tn
% Row 0
\SetRowColor{LightBackground}
Test server calls & \{\{ar\}\}\{\{fa-thumbs-up\}\} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Mock & \{\{ar\}\}\{\{fa-thumbs-o-down\}\} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}