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% !TEX program = xelatex
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\documentclass[dvipsnames,14pt,t,xelatex]{beamer}
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%\newfontfamily{\consolas}{Consolas}
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\lstset{language=Scala,
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style=mystyle,
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\end{tikzpicture}}%
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\end{textblock}}
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\newcommand{\DOWNarrow}[3]{%
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\begin{textblock}{0}(#2,#3)%
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\onslide<#1>{%
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% beamer stuff
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\renewcommand{\slidecaption}{PEP (Scala) 04, King's College London}
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% Swift, example (a*)*b
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\begin{filecontents}{re-swift.data}
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5 0.001
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15 0.009
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20 0.178
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23 1.399
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24 2.893
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25 5.671
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26 11.357
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27 22.430
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\end{filecontents}
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% Dart, example (a*)*b
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\begin{filecontents}{re-dart.data}
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20 0.042
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21 0.084
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23 0.340
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24 0.678
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25 1.369
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26 2.700
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27 5.462
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28 10.908
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29 21.725
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30 43.492
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\end{filecontents}
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\begin{filecontents}{re3a.data}
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1 0.00003
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500001 0.22527
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1000001 0.62752
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1500001 0.88485
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2000001 1.39815
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2500001 1.68619
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3000001 1.94957
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3500001 2.15878
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4000001 2.59918
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4500001 5.90679
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5000001 13.11295
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5500001 19.15376
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6000001 40.16373
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\end{filecontents}
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\begin{filecontents}{re-python2.data}
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1 0.033
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5 0.036
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10 0.034
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15 0.036
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18 0.059
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19 0.084
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20 0.141
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21 0.248
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22 0.485
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23 0.878
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24 1.71
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25 3.40
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26 7.08
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28 26.69
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\begin{filecontents}{re-js.data}
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25 0.308
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26 0.564
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28 1.994
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30 7.648
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31 15.881
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32 32.190
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\end{filecontents}
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\begin{filecontents}{re-java.data}
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15 0.00996
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16 0.01710
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17 0.03492
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18 0.03303
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19 0.05084
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20 0.10177
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21 0.19960
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22 0.41159
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25 3.36112
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27 13.35120
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28 29.81185
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\end{filecontents}
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\begin{filecontents}{re-java9.data}
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1000 0.01410
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2000 0.04882
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3000 0.10609
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4000 0.17456
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5000 0.27530
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6000 0.41116
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7000 0.53741
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8000 0.70261
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9000 0.93981
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10000 0.97419
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11000 1.28697
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12000 1.51387
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14000 2.07079
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16000 2.69846
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20000 4.41823
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24000 6.46077
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26000 7.64373
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30000 9.99446
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34000 12.966885
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38000 16.281621
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42000 19.180228
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46000 21.984721
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50000 26.950203
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60000 43.0327746
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\end{filecontents}
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\begin{document}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}[t]
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\frametitle{%
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\begin{tabular}{@ {}c@ {}}
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\\[5mm]
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\huge PEP Scala (4)
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\end{tabular}}
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\normalsize
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\begin{center}
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\begin{tabular}{ll}
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Email: & christian.urban at kcl.ac.uk\\
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%Office: & N\liningnums{7.07} (North Wing, Bush House)\bigskip\\
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Slides \& Code: & KEATS\bigskip\\
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%Office Hours: & Thursdays 12:00 -- 14:00\\
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%Additionally: & (for Scala) Tuesdays 10:45 -- 11:45\\
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\multicolumn{2}{c}{\Large\textbf{https://pollev.com/cfltutoratki576}}\\[2cm]
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\textcolor{red}{Scala Install Clinic:} & \textcolor{red}{This evening at 17:00 (online)}\\
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\end{tabular}
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\end{center}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}[c]
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\frametitle{Hints in CW}
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\begin{center}
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\includegraphics[scale=0.4]{../pics/hints.png}
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\end{center}
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\small
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\begin{itemize}
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\item Scala Library, e.g.~\texttt{span} in \\
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\url{https://www.scala-lang.org/api/current/scala/collection/immutable/List.html}
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\end{itemize}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}[c]
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\frametitle{Discussion Forum}
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\begin{center}
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\includegraphics[scale=0.38]{/Users/cu/discussion.png}
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\end{center}
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\end{frame}
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% \begin{frame}[c]
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% \frametitle{Preliminary 7}
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% Raw marks (261 submissions):\bigskip
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% \begin{itemize}
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% \item 4\%: \hspace{4mm}236
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% \item 3\%: \hspace{4mm}10
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% \item 2\%: \hspace{4mm}1
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% \item 1\%: \hspace{4mm}0
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% \item 0\%: \hspace{4mm}15
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% \end{itemize}\bigskip\bigskip
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% \footnotesize
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% (plagiarism/collusion interviews ongoing!)
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% \end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% \begin{frame}[c,fragile]
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% \small
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% \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]
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% def is_legal(dim: Int, p: Path, x: Pos) = {
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% if (...some_really_long_condition...) false
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% else true
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% }
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% \end{lstlisting}
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% \pause
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% \bigskip
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% \rule{11cm}{0.3mm}
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% \bigskip
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% \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]
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% def is_legal(dim: Int, p: Path, x: Pos) =
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% !(...some_really_long_condition...)
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% \end{lstlisting}
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% \end{frame}
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% \begin{frame}[c,fragile]
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% \small
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% \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]
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% def foobar(...) = {
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% val cs = for (c <- str) yield c.toLowerCase
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% ...
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% }
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% \end{lstlisting}
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% \pause
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% \bigskip
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% \rule{11cm}{0.3mm}
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% \bigskip
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% \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]
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% def foobar(...) = {
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% val cs = str.map(_.toLowerCase)
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% ...
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% }
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% \end{lstlisting}
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% \end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% \begin{frame}[c,fragile]
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% \small
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% \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-7mm]
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% def RomanNumeral2Int(rs: RomanNumeral): Int =
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% rs match {
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% case Nil => 0
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% case M::r => 1000 + RomanNumeral2Int(r)
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% case C::M::r => 900 + RomanNumeral2Int(r)
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% case D::r => 500 + RomanNumeral2Int(r)
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% case C::D::r => 400 + RomanNumeral2Int(r)
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% case C::r => 100 + RomanNumeral2Int(r)
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% case X::C::r => 90 + RomanNumeral2Int(r)
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% case L::r => 50 + RomanNumeral2Int(r)
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% case X::L::r => 40 + RomanNumeral2Int(r)
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% case X::r => 10 + RomanNumeral2Int(r)
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% case I::X::r => 9 + RomanNumeral2Int(r)
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% case V::r => 5 + RomanNumeral2Int(r)
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% case I::V::r => 4 + RomanNumeral2Int(r)
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% case I::r => 1 + RomanNumeral2Int(r)
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% }
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% \end{lstlisting}
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% \end{frame}
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\begin{frame}[c,fragile]
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\frametitle{Last Week: Pattern Matching}
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\small
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\begin{lstlisting}[language=Scala, numbers=none, xleftmargin=3mm]
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def fizz_buzz(n: Int) : String =
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(n % 3, n % 5) match {
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case (0, 0) => "fizz buzz"
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case (0, _) => "fizz"
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case (_, 0) => "buzz"
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case _ => n.toString
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}
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\end{lstlisting}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}[c,fragile]
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\frametitle{Reverse Polish Notation}
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{\Large\bl{$(3 + 1) * (2 + 9)$}}\bigskip
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{\Large$\Rightarrow$}\bigskip
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{\;\;\Large\bl{$3\;\;1\;+\;2\;\;9\;+\;*$}}
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\begin{textblock}{3}(11,4)
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\begin{onlyenv}<2>
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\begin{lstlisting}[language=JVMIS]
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ldc 3
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ldc 1
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iadd
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ldc 2
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ldc 9
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iadd
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imul
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\end{lstlisting}
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\end{onlyenv}
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\end{textblock}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% \begin{frame}[c,fragile]
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% \frametitle{Sudoku}
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% A very simple-minded version on 110 problems:\bigskip
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% \begin{itemize}
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% \item 1 core: 800 secs
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% \item 2 cores: 400 secs
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% \item 8 cores: 290 secs
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% \item 18 cores: 142 secs
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% \end{itemize}
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% \end{frame}
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% \begin{frame}[t]
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% \begin{center}
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% \includegraphics[scale=0.3]{../pics/blow.png}
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% \end{center}
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% \begin{textblock}{14}(2,11.4)
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% \large\bf{}Mind-Blowing Regular Expressions:\\
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% \centering in Python, JavaScript, Java
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% \end{textblock}
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% \end{frame}
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\begin{frame}[c,fragile]
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\frametitle{Regular Expressions}
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Suppose you have the regular expression
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\only<1-3>{\alert{\texttt{(a*)b}}}%
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\only<4->{\alert{\texttt{(a*)*b}}} :\bigskip
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\begin{center}
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\only<1>{\code{"aaaaaaaaaaaaaaab"}}
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\only<2>{\code{"aaaaa...........aaaaaaaaaaaaaaaaaaaab"}}
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\only<3>{\code{"aaaaa...........aaaaaaaaaaaaaaaaaaaa"}}
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\only<4>{\code{"aaaaa...........aaaaaaaaaaaaaaaaaaaab"}}
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\only<5->{\code{"aaaaa...........aaaaaaaaaaaaaaaaaaaa"}}
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\end{center}
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\only<6>{
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\begin{textblock}{13}(5,12)
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How long does Python need to find out?
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\end{textblock}}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}<1>[c]
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\frametitle{Main 3: Regexes}
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\begin{center}
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\mbox{Graphs: regex \alert{\texttt{(a*)*b}} and strings $\underbrace{\;\texttt{a}\ldots \texttt{a}\;}_{n}$}\bigskip
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\small
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\begin{tabular}[t]{@{\hspace{-8mm}}c@{\hspace{-0mm}}c@{}}
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\only<1>{\raisebox{6mm}{\begin{tikzpicture}
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\begin{axis}[
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xlabel={$n$},
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x label style={at={(1.05,0.0)}},
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ylabel={time in secs},
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enlargelimits=false,
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xtick={0,5,...,30},
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xmax=33,
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ymax=35,
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ytick={0,5,...,30},
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scaled ticks=false,
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axis lines=left,
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width=5.5cm,
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height=5cm,
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legend entries={Java 8,Python,JavaScript,Swift,Dart},
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%legend entries={\small{}Python, \small{}Java 8, \small{}JavaScript},
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legend pos=north west,
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legend cell align=left]
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\addplot[blue,mark=*, mark options={fill=white}] table {re-python2.data};
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\addplot[cyan,mark=*, mark options={fill=white}] table {re-java.data};
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\addplot[red,mark=*, mark options={fill=white}] table {re-js.data};
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\addplot[magenta,mark=*, mark options={fill=white}] table {re-swift.data};
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\addplot[brown,mark=*, mark options={fill=white}] table {re-dart.data};
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\end{axis}
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\end{tikzpicture}}}%
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\only<2>{\raisebox{0mm}{\begin{tikzpicture}
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\begin{axis}[
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xlabel={$n$},
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x label style={at={(1.05,0.0)}},
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ylabel={time in secs},
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%y label style={at={(0.06,0.5)}},
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enlargelimits=false,
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%xtick={0,30000,...,60000},
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xmax=65000,
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ymax=35,
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ytick={0,5,...,30},
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scaled ticks=true,
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axis lines=left,
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width=5.5cm,
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height=5cm,
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legend entries={\small{}Java 9},
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legend pos=north west]
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\addplot[cyan,mark=*, mark options={fill=white}] table {re-java9.data};
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\end{axis}
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\end{tikzpicture}}}
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&
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\onslide<1-2>{\begin{tikzpicture}
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\begin{axis}[
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xlabel={$n$},
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x label style={at={(1.05,0.0)}},
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ylabel={time in secs},
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enlargelimits=false,
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ymax=35,
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ytick={0,5,...,30},
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axis lines=left,
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legend entries={You in M3},
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%%scaled ticks=false,
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width=5.5cm,
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height=5cm]
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%%\addplot[green,mark=square*,mark options={fill=white}] table {re2a.data};
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\addplot[magenta,mark=square*,mark options={fill=white}] table {re3a.data};
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\end{axis}
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\end{tikzpicture}}
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\end{tabular}
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\end{center}
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\hfill\small\url{https://vimeo.com/112065252}
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\end{frame}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}[c,fragile]
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\small
|
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|
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\textcolor{red}{MacOSX}\medskip
|
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|
|
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|
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\begin{minipage}{13cm}
|
|
|
505 |
\begin{itemize}
|
|
|
506 |
\item[0)] (if needed) \texttt{brew install java} \;\;or\;\; \texttt{brew reinstall java}
|
|
|
507 |
\item[1)] \texttt{curl -s "https://get.sdkman.io" | bash}
|
|
|
508 |
\item[2)] \texttt{sdk install scala 2.13.7}
|
|
|
509 |
\end{itemize}
|
|
|
510 |
\end{minipage}\bigskip
|
|
|
511 |
|
|
|
512 |
\textcolor{red}{Windows / Linux Ubuntu}\medskip
|
|
|
513 |
|
|
|
514 |
\begin{minipage}{13cm}
|
|
|
515 |
\begin{itemize}
|
|
|
516 |
\item[0)] (if needed) \texttt{sudo apt-get remove scala-library scala}
|
|
|
517 |
\item[1)] {\fontsize{8.5}{8.5}\selectfont\texttt{sudo wget https://downloads.lightbend.com/scala/2.13.7/scala-2.13.7.deb}}
|
|
|
518 |
\item[2)] \texttt{sudo dpkg -i scala-2.13.7.deb}
|
|
|
519 |
\end{itemize}
|
|
|
520 |
\end{minipage}\bigskip
|
|
|
521 |
|
|
|
522 |
\begin{minipage}{13cm}
|
|
|
523 |
other Linux distros: \texttt{sudo apt-get scala}
|
|
|
524 |
\end{minipage}
|
|
|
525 |
|
|
|
526 |
\end{frame}
|
|
|
527 |
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
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|
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|
529 |
|
|
|
530 |
\end{document}
|
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|
531 |
|
|
|
532 |
%%% Local Variables:
|
|
|
533 |
%%% mode: latex
|
|
|
534 |
%%% TeX-master: t
|
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|
535 |
%%% End:
|
|
|
536 |
|