\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{liebus}
\pdfinfo{
  /Title (elixir-ru-1.pdf)
  /Creator (Cheatography)
  /Author (liebus)
  /Subject (Elixir\_ru 1 Cheat Sheet)
}

% Lengths and widths
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\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}
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\definecolor{LightBackground}{HTML}{F9F1FE}
\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{Elixir\_ru 1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{liebus} via \textcolor{DarkBackground}{\uline{cheatography.com/180711/cs/37605/}}}
\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}liebus \\
  \uline{cheatography.com/liebus} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 9th March, 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}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Числа}}  \tn
% Row 0
\SetRowColor{LightBackground}
3 & целое число \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
0x1F & целое число \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
3.0 & число с плавающей запятой \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Кортежи}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{1,2,3\} \# кортеж} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{elem(\{1, 2, 3\}, 0) \#=\textgreater{} 1} \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Кортежи, хранятся в памяти \seqsplit{последовательно}. \newline Получить доступ к элементу кортежа мы можем с помощью функции {\bf{"elem"}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Атомы}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{:hello \# атом% Row Count 1 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Атомы, которые являются нечисловыми константами. Они начинаются с символа `:`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Бинарные данные}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}\textless{}1,2,3\textgreater{}\textgreater{}% Row Count 1 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Оператор " ? "}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{?a \#=\textgreater{} 97  \newline % Row Count 1 (+ 1)
Оператор "?" возвращает целое число, \seqsplit{соответствующее} данному символу.% Row Count 4 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Карты (Maps)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Maps are key-value pairs:}} \newline % Row Count 1 (+ 1)
genders = \%\{"david" =\textgreater{} "male", "gillian" =\textgreater{} "female"\} \newline % Row Count 3 (+ 2)
genders{[}"david"{]} \#=\textgreater{} "male"% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Maps with atom keys:}} \newline genders = \%\{david: "male", gillian: "female"\} \newline genders.gillian \#=\textgreater{} "female"}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Строки}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{"hello"} & Elixir-строка (заключена в двойные кавычки) \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{'hello'} & Erlang-строка (в одинарные кавычки) \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Все строки представлены в кодировке UTF-8: \newline "привет" \#=\textgreater{} "привет"}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Elixir-строки / Erlang-строки}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}\textless{}?a, ?b, ?c\textgreater{}\textgreater{} \#=\textgreater{} "abc" \newline % Row Count 1 (+ 1)
{\bf{Elixir-строки являются бинарными данными}}% Row Count 3 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{[}?a, ?b, ?c{]}   \#=\textgreater{} 'abc' \newline {\bf{Erlang-строка — это на самом деле список}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Конкатенация строк}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{"\textless{}\textgreater{}" - для объединения бин. данных (и Elixir-строк)}} \newline % Row Count 2 (+ 2)
\textless{}\textless{}1,2,3\textgreater{}\textgreater{} \textless{}\textgreater{} \textless{}\textless{}4,5\textgreater{}\textgreater{} \#=\textgreater{} \textless{}\textless{}1,2,3,4,5\textgreater{}\textgreater{} \newline % Row Count 3 (+ 1)
"hello " \textless{}\textgreater{} "world"  \#=\textgreater{} "hello world"% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{"++" - для объединения списков (и Erlang-строк)}} \newline {[}1,2,3{]} ++ {[}4,5{]}     \#=\textgreater{} {[}1,2,3,4,5{]} \newline 'hello ' ++ 'world'  \#=\textgreater{} 'hello world'}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\seqsplit{Математические} операции}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{1 + 1 \# 10 - 5 \# 5 * 2 \# 10 / 2} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
div(10, 2) \#=\textgreater{} 5 & \seqsplit{целочисленное} деление \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
rem(10, 3) \#=\textgreater{} 1 & получение остатка от деления \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{В Elixir оператор "/" всегда возвращает число с плавающей запятой.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Relaxed boolean}}  \tn
% Row 0
\SetRowColor{LightBackground}
1 || true  \#=\textgreater{} 1 & false \&\& 1 \#=\textgreater{} false \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
nil \&\& 20  \#=\textgreater{} nil & !true \#=\textgreater{} false \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{a || b}} gives true if a is true. Otherwise, it gives b. \newline {\bf{a \&\& b}} gives false if a is false. Otherwise, it gives b. \newline {\bf{!a}} gives false if a is true. Otherwise, it gives true.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Списки (Lists)}}  \tn
% Row 0
\SetRowColor{LightBackground}
{[}1,2,3{]} & Списки, реализованы как связные списки \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{We can access the {\bf{head and tail}} of a list as follows: \newline {[}head | tail{]} = {[}1,2,3{]} \newline head \#=\textgreater{} 1 \newline tail \#=\textgreater{} {[}2,3{]}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Диапазоны (Ranges)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Ranges are represented as "start..end" \seqsplit{(включительно):} 1..10 \#=\textgreater{} 1..10% Row Count 2 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\seqsplit{Сопоставление} с образцом применимо и для ranges: \newline lower..upper = 1..10 \newline {[}lower, upper{]} \#=\textgreater{} {[}1, 10{]}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.54747 cm} x{4.42953 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Операторы сравнения}}  \tn
% Row 0
\SetRowColor{LightBackground}
a===b & strict equality (so 1 === 1.0 is false) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
a!==b & strict inequality (so 1 !== 1.0 is true) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
a==b & equality (so 1 == 1.0 is true) \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
a!=b & inequality (so 1 != 1.0 is false) \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
a\textgreater{}b & greater than the other (so 2\textgreater{}1 is true) \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
a\textgreater{}=b & greater than or equal (so 2\textgreater{}=1 is true) \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
a\textless{}b & less than the other (so 1\textless{}2 is true) \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
a\textless{}=b & less than or equal (so 1\textless{}=2 is true) \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Elixir позволяет сравнивать значения разных типов: \newline {\bf{1 \textless{} :hello \#=\textgreater{} true}} \newline {\bf{Правило}}: число \textless{} атом \textless{} ссылка \textless{} функция \textless{} порт \textless{} процесс \textless{} кортеж \textless{} список \textless{} строка}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Булевые: `or`, `and`, `not`.}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{true and true \#=\textgreater{} true \newline % Row Count 1 (+ 1)
false or true \#=\textgreater{} true \newline % Row Count 2 (+ 1)
1 and true    \#=\textgreater{} ** (BadBooleanError)% Row Count 3 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{В качестве первого аргумента эти операторы ожидают булевое значение.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}