general.tex

%!TEX root = ../main.tex

\documentclass[11pt]{book}
\usepackage[a4paper, hmargin={4cm, 4cm}]{geometry}
\usepackage{eso-pic}
\usepackage{graphicx} 
\usepackage{minted}
\usepackage{listings}                 
\usepackage{caption}
\usepackage{parcolumns}
\usepackage{fancyhdr}
\usepackage{titlesec}

\pagestyle{fancy}
\fancyhf{}
\fancyhead[RO, LE]{\thepage}
\fancyhead[LO]{\textsl{\leftmark}}
\fancyhead[RE]{\textsl{\rightmark}}
\renewcommand{\sectionmark}[1]{%
\markright{\thesection \ #1}{}}

\renewcommand{\chaptermark}[1]{%
\markboth{\thechapter \ #1}{}}

\titleformat{\chapter}[display]
  {\normalsize \huge  \color{black}}%
  {\flushleft\normalsize %
   \MakeUppercase{\fontfamily{}\fontsize{24}{24}\selectfont\chaptertitlename}\hspace{2ex}%
   {\fontfamily{}\fontsize{40}{40}\selectfont\thechapter}}%
  {10 pt}%
  {\hrule\vspace{10pt}\raggedleft\bfseries\huge}%