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% Packages
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\usepackage{multicol}           % Allows multicols in tables
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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{seamus2389}
\pdfinfo{
  /Title (python-for-spike-users.pdf)
  /Creator (Cheatography)
  /Author (seamus2389)
  /Subject (Python for Spike users Cheat Sheet)
}

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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
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\fancyhead{} % Set header to blank
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\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{Python for Spike users Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{seamus2389} via \textcolor{DarkBackground}{\uline{cheatography.com/43619/cs/13000/}}}
\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}seamus2389 \\
  \uline{cheatography.com/seamus2389} \\
  \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 25th October, 2017.\\
   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{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
String & 'Hello', "2345", 'This is a string' \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Integer (Int) & 2, 5, -7 \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Double (float) & 2.1, 5.0, -7.778 \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Boolean & True, False \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.88 cm} x{7.12 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Assignment operator}}  \tn
% Row 0
\SetRowColor{LightBackground}
x = y & The value of y is assigned to the variable x \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{1.52 cm} x{6.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Comparsion operator}}  \tn
% Row 0
\SetRowColor{LightBackground}
x == y & x is equal to y \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
x != y & x is not equal to y \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
x \textless{} y & x is less than y \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
x \textgreater{} y & x is greater than y \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
x \textless{}= y & x is less than or equal \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
x \textgreater{}= y & x is greater than or equal \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.6 cm} x{6.4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Identity operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
x is y & x references the same data as y \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
x is not y & x does not reference the same data as y \tn 
% Row Count 3 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Logical operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
x == y And x \textgreater{} 0 & If both the expressions are True then the 'and' operator returns True \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
x== y Or x \textgreater{} 0 & If either of the expressions are True then the 'or' operator returns True \tn 
% Row Count 6 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{See lesson 5 of Basics of Python for Spike users in the helpfiles}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.792 cm} x{1.656 cm} x{2.52 cm} x{2.232 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Variable Scope/allowable context}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{command}} & {\bf{global interpreter}} & {\bf{(work)unit cfb/em(eu) command}} & {\bf{procedural step/transition}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
unit & NO & YES & YES - S88 \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
em & NO & YES & NO \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{workUnit} & NO & YES & YES - S95 \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
EU & NO & YES & NO \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{8.4cm}}{See the 'Variable Scope' section of the help files.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{3.44 cm} x{4.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Arithmetic Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
x + y & add \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
x - y & subtract \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
x * y & multiply \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
x / y & divide \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
x ** y & x \textasciicircum{} y \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
x \% y & modulus \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
abs(x) & absolute \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Potential pitfalls}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{object comparsion*} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{while*} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}The while loop statement repeatedly executes a target statement as long as a given condition is true. However if while loops are used inappropriately they will trash CPU performance. In most cases the 'if' statement, waitFor function and timers would be more appriopate.} \tn 
% Row Count 8 (+ 7)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{rounding errors*} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Double values can only be appropriate} \tn 
% Row Count 10 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{'True' v 'true'} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}In Spike, 'True' refers to a boolean value while 'true' is the name of an object} \tn 
% Row Count 13 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{*See the potential programming pitfalls section of the help files for more detail}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful Spike functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{opc('NameOfObject')} & Access an object in the opc model \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
opc('NameOfObject'){\bf{.}} & The {\bf{'.'}} operator provides access to all commands and properties of the object \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
unit. & Provides access to the commands and properties of the current unit \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
unit.{\bf{SupportModule}} & Provides access to unit parameters, timer and counters \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
unit{\bf{.MessageModule}} & Provides access to create messages, prompts and call work instructions \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
em. & Provides access to the commands and properties of the current equipment module \tn 
% Row Count 19 (+ 4)
% Row 6
\SetRowColor{LightBackground}
info() & Prints a string variable to the console tab \tn 
% Row Count 21 (+ 2)
% Row 7
\SetRowColor{white}
str() & Converts an object into a string \tn 
% Row Count 23 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{waitFor(condition} met) & Wait for the value of given property on given module to equal given condition \tn 
% Row Count 27 (+ 4)
% Row 9
\SetRowColor{white}
\seqsplit{sleep(duration)} & Put current script to sleep for duration seconds \tn 
% Row Count 29 (+ 2)
% Row 10
\SetRowColor{LightBackground}
resetModules() & Reset parent associated modules \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful Spike functions (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
firstScan & do something when running a script the first time \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.08 cm} x{5.92 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Useful code snippets}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{\$createtimer} & Recommended method of creating a timer \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{\$createcounter} & Recommended method of creating a counter \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{\$ calls various pre-created code snippets which can be viewed in the snippets folder of the Type Explorer}  \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}{Statements}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{If Statement}} \newline % Row Count 1 (+ 1)
if {\emph{condition met}}: \newline % Row Count 2 (+ 1)
    do Something \newline % Row Count 3 (+ 1)
elif {\emph{ other condition met}}: \newline % Row Count 4 (+ 1)
    do Something Else \newline % Row Count 5 (+ 1)
else: \newline % Row Count 6 (+ 1)
    do Something Else  \newline % Row Count 7 (+ 1)
{\bf{While Loop}} \newline % Row Count 8 (+ 1)
while {\emph{condition is met}}: \newline % Row Count 9 (+ 1)
    do Something \newline % Row Count 10 (+ 1)
{\bf{For Loop}} \newline % Row Count 11 (+ 1)
For {\emph{variable}} in {\emph{collection}}: \newline % Row Count 12 (+ 1)
    do Something with variable% Row Count 13 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}