qabook.sty

\usepackage[utf8]{inputenc}
\usepackage{color}
\usepackage[table,usenames,dvipsnames]{xcolor}
\usepackage{makeidx}
\usepackage{graphicx}
\usepackage[color=green!10,
            colorinlistoftodos,
            linecolor=lightgray,
            bordercolor=green!10,
            textsize=footnotesize]{todonotes} % add [disable] to hide notes

\usepackage[noend]{algpseudocode}
\usepackage{amsmath,amssymb,mleftright}
\usepackage{mathtools} % For cases environment
\usepackage[a4paper]{geometry}
\usepackage[round]{natbib}
\usepackage{float}
\usepackage{nicefrac}
\usepackage[section]{placeins} % This gives the \FloatBarrier command
\usepackage[minmargin=0.1\textwidth,
	    labelfont=bf,
	    font=footnotesize,
	    labelsep=period,
	    justification=centering]{caption}
\usepackage{setspace}
\usepackage{url}
\usepackage{ntheorem}
\usepackage{titlesec}
\usepackage{microtype}
\usepackage{multicol}
\usepackage{enumitem}
\usepackage{tikz}
\usetikzlibrary{
  decorations.pathreplacing,
  calc,
  patterns,
  datavisualization.formats.functions,
  external}
\usepackage[hang,flushmargin]{footmisc} % remove the footnoteindex.

% Activate pre-compilation of images (see section 50.4 in tikz/pgfmanual
% This just makes it faster to recompile while editing the book, as it
% pre-builds all the images.
% You should remove it and compile the document properly for the final version
% I use the `list and make` option, which means after compilation I get a
% make file. Then I need to run:
% `make -f Maindocument.makefile`
% on the command line to make all the pics
% \tikzexternalize[mode=list and make]

\usepackage{xparse}

\usepackage{minted}
% Setup the fancyvrb (which is called by minted)
\fvset{frame=single}

% This sets the description environment to use itshape rather than bold
\setlist[description]{font=\normalfont\itshape\textbullet\space}


\usepackage[british]{babel}
\babelhyphenation[english]{pro-gram-ming}

% Define colours first
\definecolor{linkcolor}{RGB}{0,0,128}
\definecolor{dwgreen}{RGB}{0,128,0}
\definecolor{dwred}{RGB}{176,0,64}
\definecolor{dwblue}{HTML}{0B486B}



%\usepackage[hidelinks]{hyperref}
\usepackage[pagebackref,
	    pdfpagelabels,
	    plainpages=false,
	    hypertexnames=true,
	    colorlinks=true,
	    linkcolor=linkcolor,
	    anchorcolor=linkcolor,
	    citecolor=linkcolor,
	    filecolor=linkcolor,
	    menucolor=linkcolor,
	    runcolor=linkcolor,
	    urlcolor=linkcolor,
	    pdfborder={0 0 0}]{hyperref}
% Got this from the stan manual


% File that fixes and activates the line numbers
%\input{fixlinenumbers.tex}
% File that gives me the nice dice
\input{plots/dice/dice.tex}

\makeindex



% \usepackage{showkeys}



\interfootnotelinepenalty=10000 % to ensure footnotes stay on the same page

\allowdisplaybreaks[1] %{amsmath} -- allows formulas to span multiple pages
% the number can be 1 to 4, where one allows it but avoids it.
% you can also force displaybreaks anywhere by putting \displaybreak[4] a formula, [1] is a suggestion, [4] is a command.
% the default value for both of these is [4]


%DW's commands
\renewcommand{\vec}{\boldsymbol}
\DeclareMathOperator{\E}{\mathrm{E}}
\DeclareMathOperator{\Var}{\mathrm{Var}}
\DeclareMathOperator{\Cov}{\mathrm{Cov}}
\DeclareMathOperator*{\argmax}{arg\,max}

\providecommand{\abs}[1]{\lvert#1\rvert}
\providecommand{\determinant}[1]{\lvert#1\rvert}
\providecommand{\norm}[1]{\lVert#1\rVert}


% change marginpar fontsize

\makeatletter
\renewcommand{\@marginparreset}{%
  \reset@font\scriptsize
  \raggedright
  \@setminipage
}
\makeatother


% Make some ntheorem environments to hold the questions and answers

\theoremstyle{break}
\theoremheaderfont{\bfseries}
\theorembodyfont{}
\theoremnumbering{arabic}
\theoremseparator{:}
\newtheorem{ntquestion}{Question}

\theoremstyle{break}
\theoremheaderfont{\bfseries}
\theorembodyfont{}
\theoremnumbering{alph}
\theoremseparator{)}
\theoremindent=0.6cm
\newtheorem{ntsubquestion}{}[ntquestion]

\theoremstyle{plain}
\theoremheaderfont{\bfseries}
\theorembodyfont{}
\theoremnumbering{arabic}
\theoremseparator{}
\theoremindent=0cm
\newtheorem*{ntanswer}{Answer}

\theoremstyle{plain}
\theoremheaderfont{\bfseries}
\theoremnumbering{alph}
\theorembodyfont{}
\theoremseparator{}
\theoremindent=0cm
\newtheorem*{ntsubanswer}{Answer}[ntanswer]


% Make new environments to ease the labelling
% use the xparse package, since we need the arguments in the last bit of the environment as well
\NewDocumentEnvironment{question}{m}%
{\begin{ntquestion}\label{q:#1}}%
{\begin{flushright}(\hyperref[a:#1]{Answer on page \pageref*{a:#1}})\end{flushright}\end{ntquestion}}


\newenvironment{questionwithnoanswer}%
{\begin{ntquestion}}{\end{ntquestion}}

\NewDocumentEnvironment{subquestion}{m}%
{\begin{ntsubquestion}\label{q:#1}}%
{\begin{flushright}(\hyperref[a:#1]{Answer on page \pageref*{a:#1}})\end{flushright}\end{ntsubquestion}}

\NewDocumentEnvironment{answer}{m}%
{\begin{ntanswer}\ref*{q:#1}:
\label{a:#1}\hfill(\hyperref[q:#1]{Question on page \pageref*{q:#1}})
\\}%
{\end{ntanswer}}

\NewDocumentEnvironment{subanswer}{m}%
{\begin{ntsubanswer}\ref*{q:#1}):
\label{a:#1}\hfill(\hyperref[q:#1]{Question on page \pageref*{q:#1}})
\\}%
{\end{ntsubanswer}}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Usage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\begin{question}{questionlabelname}
% Write stuff here
%\end{question}

%\begin{answer}{questionlabelname}
% Write stuff here
%\end{answer}

% this will automatically create the labels called `q:questionlabelname` and `a:questionlabelname`.
% To change the formatting of the question and answer blocks, change their corresponding ntheorem styles.


% Make a nice titlepage
\providecommand{\HUGE}{\Huge}% if not using memoir
\newlength{\drop}% for my convenience
%% select a (FontSite) font by its font family ID
\newcommand*{\FSfont}[1]{\fontencoding{T1}\fontfamily{#1}\selectfont}
%% if you don’t have the FontSite fonts either \renewcommand*{\FSfont}[1]{}
%% or use your own choice of family.
%% select a (TeX Font) font by its font family ID
\newcommand*{\TXfont}[1]{\fontencoding{T1}\fontfamily{#1}\selectfont}
%% Generic publisher’s logo
\newcommand*{\plogo}{\fbox{$\mathcal{PL}$}}


\newcommand*{\titleDB}{
\begingroup% AW, Design of Books
\FSfont{ppl} % FontSite URW Palladio (Palatino)
\drop = 0.14\textheight
\centering
\vspace*{\drop}
{\Large AN}\\[\baselineskip]
{\Huge INTERVIEW PRIMER}\\[\baselineskip]
{\Large FOR}\\[\baselineskip]
{\LARGE QUANTITATIVE FINANCE}\par
\vfill
{BY DIRK BESTER}\\%\\[8\baselineskip]
{\small 2017}\par
{\small \docversion}\par
\vfill
\endgroup
}


%to give a version and date:
\def\parsetime #1#2#3#4#5\empty{#1#2:#3#4}
\def\parsedatetime #1:20#2#3#4#5#6#7#8\empty{20#2#3-#4#5-#6#7  \parsetime#8\empty }
\def\parsedate #1:20#2#3#4#5#6#7#8\empty{20#2#3-#4#5-#6#7\empty }
\def\moddate#1{\expandafter\parsedate\pdffilemoddate{#1}\empty}
%% This gives the \moddate{\jobname.tex}} command