\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{ralienpp}
\pdfinfo{
  /Title (python-pdb.pdf)
  /Creator (Cheatography)
  /Author (ralienpp)
  /Subject (Python pdb Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\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
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{BCD2E6}
\definecolor{LightBackground}{HTML}{EEF3F8}
\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{Python pdb Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{ralienpp} via \textcolor{DarkBackground}{\uline{cheatography.com/18926/cs/2027/}}}
\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}ralienpp \\
  \uline{cheatography.com/ralienpp} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 18th June, 2014.\\
   Updated 13th 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
\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{4.48 cm} x{3.52 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Invoking the debugger}}  \tn
% Row 0
\SetRowColor{LightBackground}
import pdb; pdb.set\_trace() & Within the code \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
python -m pdb file.py & From the command line \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.92 cm} x{6.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Basic commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
p & print variable value \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
pp & pretty print \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
a & print input args of function \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
locals & show local variables \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
n & next \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
s & step inside a function \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
c & continue \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
r & run until func returns \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\textless{}Enter\textgreater{} & repeat previous command \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
l & print nearby code \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
l from,to & print code between lines \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
w & where am I + traceback \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
u & up the call stack \tn 
% Row Count 13 (+ 1)
% Row 13
\SetRowColor{white}
d & down the call stack \tn 
% Row Count 14 (+ 1)
% Row 14
\SetRowColor{LightBackground}
q & quit \tn 
% Row Count 15 (+ 1)
% Row 15
\SetRowColor{white}
h & help \tn 
% Row Count 16 (+ 1)
% Row 16
\SetRowColor{LightBackground}
h command & info about a command \tn 
% Row Count 17 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Breakpoints}}  \tn
% Row 0
\SetRowColor{LightBackground}
b 45 & set on line 45 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
b 45, x == 'abc' & set with condition \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
b & list current breakpoints \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
b funcName & set breakpoint in function \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
b file.py:41 & set on line 41 of file.py \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
cl & clear all breakpoints \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
cl 42 & clear breakpoint \#42 \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
tbreak ... & hit only once, syntax as `b` \tn 
% Row Count 10 (+ 2)
% Row 8
\SetRowColor{LightBackground}
disable 42 & turn off breakpoint \#42 \tn 
% Row Count 11 (+ 1)
% Row 9
\SetRowColor{white}
enable 42 & enable breakpoint \#42 \tn 
% Row Count 12 (+ 1)
% Row 10
\SetRowColor{LightBackground}
ignore 42 {[}N{]} & ignore bp\#42 N times \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{white}
condition 42 x=='abc' & set condition to bp (no condition = remove it) \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}