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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
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% 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{vjust}
\pdfinfo{
  /Title (ipython-history.pdf)
  /Creator (Cheatography)
  /Author (vjust)
  /Subject (iPython History Cheat Sheet)
}

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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{iPython History Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{vjust} via \textcolor{DarkBackground}{\uline{cheatography.com/20548/cs/3299/}}}
\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}vjust \\
  \uline{cheatography.com/vjust} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 10th February, 2015.\\
   Updated 10th 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
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% 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}{History flags summarized.}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Flags for the history command }} \newline % Row Count 1 (+ 1)
`hist -n` -{}- print line numbers \newline % Row Count 2 (+ 1)
`hist -g` -{}- print history for your past sessions (not just the current one) \newline % Row Count 4 (+ 2)
`hist -f filename.py`  -{}- writes history lines to filename.py \newline % Row Count 6 (+ 2)
`hist -l 10` -{}- will limit output to last 10 lines \newline % Row Count 8 (+ 2)
`hist -g timeit` -{}- will filter lines that contain the string "timeit" \newline % Row Count 10 (+ 2)
`hist -u -g timeit` -{}- same as filter, but will only print unique lines \newline % Row Count 12 (+ 2)
`hist -o -n` -{}- also print outputs  \newline % Row Count 13 (+ 1)
Note:Typing `history??` in iPython will give you similar info.% Row Count 15 (+ 2)
} \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}{Previous iPython sessions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax:`hist -n \textasciitilde{}1/`}} \newline % Row Count 1 (+ 1)
`hist -n \textasciitilde{}1/20`  - means one session back, and 20th input line \newline % Row Count 3 (+ 2)
`hist -n \textasciitilde{}2/20`  - means two sessions back, and 20th input line \newline % Row Count 5 (+ 2)
Using `hist -n 20` (i.e. without the \textasciitilde{} sign) defaults to the current ipython session.% Row Count 7 (+ 2)
} \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}{Re-execute a history line}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax:`rerun \textless{}history reference\textgreater{}`}} \newline % Row Count 1 (+ 1)
`rerun 20` will execute line 20 of the current session \newline % Row Count 3 (+ 2)
`rerun \textasciitilde{}1/20` will execute line 20 of the previous session \newline % Row Count 5 (+ 2)
`rerun 88-90` will execute lines 88,89, 90 of history% Row Count 7 (+ 2)
} \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}{Recalling input history (for inline editing)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax:`recall \textless{}history reference\textgreater{}`}} \newline % Row Count 1 (+ 1)
1. `recall 42` -{}- will recall line 42, and give you the prompt for editing \newline % Row Count 3 (+ 2)
2. `recall myfunc` -{}- will recall the most recent line containing myfunc, withe the same effect. \newline % Row Count 5 (+ 2)
Hitting enter after the edit will execute.% Row Count 6 (+ 1)
} \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}{Saving history to a file}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax:`save filename.py \textless{}history reference\textgreater{}`}} \newline % Row Count 1 (+ 1)
1.`save mymodule.py 22-40 25` -{}- Saves lines 22-40, 25 to file mymodule.py \newline % Row Count 3 (+ 2)
2.`save -a` -{}- will append% Row Count 4 (+ 1)
} \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}{Grepping or filtering history lines}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax:`hist -g \textless{}reg exp\textgreater{}`}} \newline % Row Count 1 (+ 1)
`hist -g func1`  -{}- will list all history lines containing "func1"  \newline % Row Count 3 (+ 2)
`hist -gn  func1` -{}- same thing. adds line numbers% Row Count 4 (+ 1)
} \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}{Editing history in an editor}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax: `edit \textless{}history reference\textgreater{}` }} \newline % Row Count 1 (+ 1)
`edit 24 28 47`  - loads the lines in order, in your configured ipython editor% Row Count 3 (+ 2)
} \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}{Output history editing via the "\_oh" variable}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Summary :  Ipython allows you to edit {\bf{both}} your past inputs, as well as past command outputs - so you if you want to avoid retyping this is handy.  The built-in list variable "\_oh" contains all your output history. \newline % Row Count 5 (+ 5)
{\bf{ Syntax : "edit \_oh{[}\textless{}line-num of output history\textgreater{}{]}" }} \newline % Row Count 7 (+ 2)
use "edit \_oh{[}165{]}"  to open output line 165 in your editor. \newline % Row Count 9 (+ 2)
Example -{}-  \newline % Row Count 10 (+ 1)
` \newline % Row Count 11 (+ 1)
In {[} 165 {]} : def myfunc(): \newline % Row Count 12 (+ 1)
     print "hello" \newline % Row Count 13 (+ 1)
.... \newline % Row Count 14 (+ 1)
In {[}200{]} : {\bf{edit 165}}    \# opens line 165 in editor we made changes to that func w/o saving it to a file \newline % Row Count 17 (+ 3)
out{[}200{]}: def myfunc()\textbackslash{}n print "hello" \textbackslash{}n \newline % Row Count 18 (+ 1)
.... \newline % Row Count 19 (+ 1)
...   \newline % Row Count 20 (+ 1)
In {[}210{]}: {\bf{edit \_oh{[}200{]}}}   \# loads the func in editor  \newline % Row Count 22 (+ 2)
`% Row Count 23 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Use "edit -x" in case you are editing non-code stuff (to prevent ) execution when you leave the editor.}  \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}{Edit a function that you defined inline}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Syntax : edit \textless{}funcname\textgreater{} }} \newline % Row Count 1 (+ 1)
Example - An inline function is defined interactively, and then edited. \newline % Row Count 3 (+ 2)
` \newline % Row Count 4 (+ 1)
In {[}1{]} : def myfunc() \newline % Row Count 5 (+ 1)
     print "hello" \newline % Row Count 6 (+ 1)
In {[}2{]} edit myfunc \newline % Row Count 7 (+ 1)
`% Row Count 8 (+ 1)
} \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}{Create a macro from history}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Use the \%macro command to create a macro from multiple history lines. \newline % Row Count 2 (+ 2)
Example (lines 10 and 11 ) from history are as follows : \newline % Row Count 4 (+ 2)
10: x=1 \newline % Row Count 5 (+ 1)
11: somefunc(x) \newline % Row Count 6 (+ 1)
You can create a macro as follows : \newline % Row Count 7 (+ 1)
In {[}20{]}: \%macro my\_macro 10-11 \newline % Row Count 8 (+ 1)
Now typing my\_macro will execute those lines.% Row Count 9 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}