\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{John\_S} \pdfinfo{ /Title (iot.pdf) /Creator (Cheatography) /Author (John\_S) /Subject (iot 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}{A3A3A3} \definecolor{LightBackground}{HTML}{F3F3F3} \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{iot Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{John\_S} via \textcolor{DarkBackground}{\uline{cheatography.com/122715/cs/22915/}}} \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}John\_S \\ \uline{cheatography.com/john-s} \\ \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 20th May, 2020.\\ 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{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Code explanation}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{package \seqsplit{org.mozilla.iot.webthing.example;} \newline \newline import org.json.JSONArray; \newline import org.json.JSONObject; \newline import \seqsplit{org.mozilla.iot.webthing.Action;} \newline import \seqsplit{org.mozilla.iot.webthing.Event;} \newline import \seqsplit{org.mozilla.iot.webthing.Property;} \newline import \seqsplit{org.mozilla.iot.webthing.Thing;} \newline import \seqsplit{org.mozilla.iot.webthing.Value;} \newline import \seqsplit{org.mozilla.iot.webthing.WebThingServer;} \newline import \seqsplit{org.mozilla.iot.webthing.errors.PropertyError;} \newline \newline import java.io.IOException; \newline import java.util.Arrays; \newline import java.util.UUID; \newline \newline //Declaration of class \newline public class SingleThing \{ \newline //Creates an object of class Thing which used to control a lamp \newline public static Thing makeThing() \{ \newline Thing thing = new \seqsplit{Thing("urn:dev:ops:my-lamp-1234"}, \newline "My Lamp", \newline new \seqsplit{JSONArray(Arrays.asList("OnOffSwitch"}, \newline "Light")), \newline "A web connected lamp"); \newline //Creates a json structure \newline JSONObject onDescription = new JSONObject(); \newline //Adds entries to the json structure \newline \seqsplit{onDescription.put("@type"}, "OnOffProperty"); \newline \seqsplit{onDescription.put("title"}, "On/Off"); \newline onDescription.put("type", "boolean"); \newline \seqsplit{onDescription.put("description"}, "Whether the lamp is turned on"); \newline //Adds the json structure to thing object as a property \newline thing.addProperty(new Property(thing, \newline "on", \newline new Value(true), \newline onDescription)); \newline //Creates a json structure \newline JSONObject brightnessDescription = new JSONObject(); \newline //Adds entries to the json structure \newline \seqsplit{brightnessDescription.put("@type"}, "BrightnessProperty"); \newline \seqsplit{brightnessDescription.put("title"}, "Brightness"); \newline \seqsplit{brightnessDescription.put("type"}, "integer"); \newline \seqsplit{brightnessDescription.put("description"}, \newline "The level of light from 0-100"); \newline \seqsplit{brightnessDescription.put("minimum"}, 0); \newline \seqsplit{brightnessDescription.put("maximum"}, 100); \newline \seqsplit{brightnessDescription.put("unit"}, "percent"); \newline //Adds the json structure to thing object as a property \newline thing.addProperty(new Property(thing, \newline "brightness", \newline new Value(50), \newline brightnessDescription)); \newline //Creates a json structure \newline JSONObject fadeMetadata = new JSONObject(); \newline JSONObject fadeInput = new JSONObject(); \newline JSONObject fadeProperties = new JSONObject(); \newline JSONObject fadeBrightness = new JSONObject(); \newline JSONObject fadeDuration = new JSONObject(); \newline //Adds entries to the json structure \newline fadeMetadata.put("title", "Fade"); \newline \seqsplit{fadeMetadata.put("description"}, "Fade the lamp to a given level"); \newline fadeInput.put("type", "object"); \newline fadeInput.put("required", \newline new \seqsplit{JSONArray(Arrays.asList("brightness"}, "duration"))); \newline \seqsplit{fadeBrightness.put("type"}, "integer"); \newline \seqsplit{fadeBrightness.put("minimum"}, 0); \newline \seqsplit{fadeBrightness.put("maximum"}, 100); \newline \seqsplit{fadeBrightness.put("unit"}, "percent"); \newline fadeDuration.put("type", "integer"); \newline \seqsplit{fadeDuration.put("minimum"}, 1); \newline fadeDuration.put("unit", "milliseconds"); \newline \seqsplit{fadeProperties.put("brightness"}, fadeBrightness); \newline \seqsplit{fadeProperties.put("duration"}, fadeDuration); \newline \seqsplit{fadeInput.put("properties"}, fadeProperties); \newline fadeMetadata.put("input", fadeInput); \newline //Adds the json structure to thing object as an action \newline \seqsplit{thing.addAvailableAction("fade"}, fadeMetadata, FadeAction.class); \newline \newline JSONObject overheatedMetadata = new JSONObject(); \newline \seqsplit{overheatedMetadata.put("description"}, \newline "The lamp has exceeded its safe operating temperature"); \newline \seqsplit{overheatedMetadata.put("type"}, "number"); \newline \seqsplit{overheatedMetadata.put("unit"}, "degree celsius"); \newline \seqsplit{thing.addAvailableEvent("overheated"}, overheatedMetadata); \newline //returns the thing object with the added project \newline return thing; \newline \} \newline //Startpoint for the program \newline public static void main(String{[}{]} args) \{ \newline //Creates an object of thing and the needed properties are added \newline Thing thing = makeThing(); \newline WebThingServer server; \newline \newline try \{ \newline // If adding more than one thing, use MultipleThings() with a name. \newline // In the single thing case, the thing's name will be broadcast. \newline server = new WebThingServer(new \seqsplit{WebThingServer.SingleThing(thing)}, \newline 8888); \newline //Hook is added so the program can be shut down \newline \seqsplit{Runtime.getRuntime().addShutdownHook(new} Thread() \{ \newline public void run() \{ \newline server.stop(); \newline \} \newline \}); \newline //Starts the server and if something unexpected happens it prints the error and then exits \{\{nobreak\}\} \newline the program \newline server.start(false); \newline \} catch (IOException e) \{ \newline System.out.println(e); \newline System.exit(1); \newline \} \newline \} \newline \{\{literal\}\}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Comments are in code} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Packet Tracer}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{1) Set up the wired network with connecting FashEthernet0 on PC to Home Switch \newline % Row Count 2 (+ 2) 2) Set up the wireless network with DHCP on the Home Gateway \newline % Row Count 4 (+ 2) 3) Connect IoT devices to the network; Connect the Coffee Pot with FastEthernet0 by DHCP to the existing network \newline % Row Count 7 (+ 3) 4) To access IoT remotely it needs a server address, user name and password. \newline % Row Count 9 (+ 2) 5) IoT can be accessed remotely with a web browser, the address, user name and password% Row Count 11 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \end{document}