\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{Nicklaj}
\pdfinfo{
  /Title (ead-python-reference-sheet.pdf)
  /Creator (Cheatography)
  /Author (Nicklaj)
  /Subject (EAD Python Reference Sheet Cheat Sheet)
}

% Lengths and widths
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\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
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\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
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\definecolor{LightBackground}{HTML}{F0F9F0}
\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{EAD Python Reference Sheet Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Nicklaj} via \textcolor{DarkBackground}{\uline{cheatography.com/210692/cs/45496/}}}
\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}Nicklaj \\
  \uline{cheatography.com/nicklaj} \\
  \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 19th January, 2025.\\
   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{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{matplotlib}}  \tn
% Row 0
\SetRowColor{LightBackground}
Plot graph & plt.plot({\emph{x}}, {\emph{y}}) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Show plot & plt.show() \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Limit x axis & plt.xlim({\emph{left\_lim}}, {\emph{right\_lim}}) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Limit y axis & plt.ylim({\emph{lower\_lim}}, {\emph{upper\_lim}}) \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Set x label & plt.xlabel({\emph{string}}) \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Set y label & plt.ylabel({\emph{string}}) \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{Spectrogram} & plt.pcolormesh({\emph{x}}, {\emph{y}}, {\emph{z}}, shading="gouraud") \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{import matplotlib.pyplot as plt}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.54287 cm} x{3.43413 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{librosa}}  \tn
% Row 0
\SetRowColor{LightBackground}
Carica da file & w, sr = librosa.load({\emph{string}}, sr=None) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
File di test & librosa.ex({\emph{string}}) \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Zero Crossing Rate & librosa.feature.zero\_crossings\_rate({\emph{signal}}) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
MFCC & librosa.feature.mfcc({\emph{signal}}) \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{import librosa}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Numpy}}  \tn
% Row 0
\SetRowColor{LightBackground}
Range da start a stop con step & np.arange({\emph{start}}, {\emph{stop}}, {\emph{step}}) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Spazio lineare & np.linspace({\emph{start}}, {\emph{stop}}, {\emph{samples\_num}}) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Somma elementi & np.sum({\emph{vector}}) \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
Media elementi & np.mean({\emph{vector}}) \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Segno elementi & np.sign({\emph{vector}}) \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
Differenza k - (k - 1) & np.diff({\emph{vector}}) \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Elementi non nulli & np.nonzero({\emph{vector}}){[}0{]} \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
Seno & np.sin({\emph{x}}) \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Appendi in\_2 a in\_1 & np.append({\emph{in\_1}}, {\emph{in\_2}}) \tn 
% Row Count 14 (+ 2)
% Row 9
\SetRowColor{white}
Radice quadrata & np.sqrt({\emph{x}}) \tn 
% Row Count 15 (+ 1)
% Row 10
\SetRowColor{LightBackground}
Fourier Transform (Valori) & np.fft.rfft({\emph{signal}}, {\emph{frame\_length}}) \tn 
% Row Count 17 (+ 2)
% Row 11
\SetRowColor{white}
Fourier Transform (Frequenze) & np.fft.rfftfreq({\emph{signal}}, {\emph{frame\_length}}) \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{import numpy as np}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{scipy}}  \tn
% Row 0
\SetRowColor{LightBackground}
Hann window & scipy.signal.windows.hann({\emph{frame}} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{import scipy}  \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}{Snippet vari}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{def DFT(x, N, sr): \newline     val = np.fft.rfft(x, N) \newline     freq = np.fft.rfftfreq(N, d=1/sr) \newline     return val, freq \newline  \newline  \newline \# Framing \newline     for i in range(0, len(y), int(frame\_length/2)): \newline         frame = y{[}i:i+int(frame\_length){]} \newline         \#operazioni} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}