pep-material: comparison slides/slides01.tex

equal deleted inserted replaced

-:54befaf23648
+:01ee4b576eb2
 \begin{textblock}{6}(2,12)
 \begin{bubble}[9cm]
 \small
 developed since 2004 by Martin Odersky\\
-(he was behind Generic Scala which was included in Java 5)
+(he was behind Generic Java which was included in Java 5
+\ldots I am using it maybe since 2008?)
 \end{bubble}
 \end{textblock}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{textblock}{6}(13,3)
 \textbf{\large Java}
 \end{textblock}
-\begin{textblock}{6}(13,13.4)
+\begin{textblock}{6}(13,13.6)
 \textbf{\large Scala}
 \end{textblock}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \frametitle{First Steps: Scala Tools}
 \begin{itemize}
-\item I use VS Code and a Scala extension
+\item I use VS Code and a Scala extension (M'place)
 \begin{center}
 \includegraphics[scale=0.10]{../pics/vscode.png}\\[-10mm]\mbox{}
 \end{center}\bigskip
 \item there is a plugin for Eclipse (called Scala IDE)\medskip
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \frametitle{\bf
 \only<1>{\begin{tabular}{l}\\[2mm]Why Scala?\\ \mbox{}\end{tabular}}
-\only<2->{\begin{tabular}{l}\\[2mm]Why Functional\\ Programming?\end{tabular}}
+\only<2->{\begin{tabular}{c}\\[2mm]Why Functional\\[-2mm] Programming?\end{tabular}}
 }
 %
 \mbox{}\\[3.5cm]
 \small
 Scala, Elm, Haskell, Ocaml, F$\sharp$, Erlang, ML, Lisp (Racket), \ldots
 \hfill{}---Simon Peyton Jones (works at Microsoft)\\
 \hfill{}main developer of the Glasgow Haskell Compiler
 \end{bubble}
 \end{textblock}}
+\only<4>{
+\begin{textblock}{6}(5,5.8)
+\hspace{2mm}\includegraphics[scale=0.06]{../pics/assign.jpg}\\[-1mm]
+\Large\alert{\textbf{Immutability}}
+\end{textblock}}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{frame}[c, fragile]
+{\Large Why bother? or\smallskip\\\hfill What is wrong with this?}\bigskip\bigskip
+\begin{lstlisting}[language=C,numbers=none]
+for (int i = 10; i < 20; i++) {
+//...Do something interesting
+//   with i...
+}
+\end{lstlisting}
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \mbox{}\\[-21mm]\mbox{}
 \only<9>{
 \begin{textblock}{1}(3,3)
 \begin{bubble}[9cm]
 \begin{tabular}{@{\hspace{8mm}}llll@{\hspace{8mm}}}
 \\
-\multicolumn{4}{c}{\bf Speedup by Moore's Law}\medskip\\
+\multicolumn{4}{c}{\alert{\bf Speedup by Moore's Law}}\medskip\\
 \textbf{1986:} & 3 days    & \textbf{1996:} & 135 mins\\
 \textbf{1988:} & 1.5 days  & \textbf{1998:} & 67 mins\\
 \textbf{1990:} & 18 hs     & \textbf{2000:} & 33 mins\\
 \textbf{1992:} & 9 hs      & \textbf{2002:} & 16 mins\\
 \textbf{1994:} & 4.5 hs    & \multicolumn{2}{c}{???}\\
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
-\frametitle{Seq vs Par}
+\frametitle{Seq \;vs\; Par}
 \begin{center}
 \begin{tabular}[t]{@{}l@{}l@{}}
-\includegraphics[scale=0.14]{../pics/mand4.png} &
+\includegraphics[scale=0.14]{../pics/mand4.png} & \hspace{4mm}
-\raisebox{1.2mm}{\includegraphics[scale=0.14]{../pics/mand3.png}}
+\raisebox{0mm}{\includegraphics[scale=0.14]{../pics/mand3.png}}\\
+\hspace{6mm}\includegraphics[scale=0.5]{../pics/cpu2.png} &
+\hspace{11mm}\includegraphics[scale=0.5]{../pics/cpu1.png}
 \end{tabular}
 \end{center}
 \only<2>{
 \begin{textblock}{5}(12,2)
 \includegraphics[scale=0.50]{../pics/skeleton.jpg}\\
 \end{bubble}
 \end{textblock}}
 \only<3>{
-\begin{textblock}{14.2}(1,12.3)
+\begin{textblock}{14.2}(1,13.5)
 In FP: Once a variable is created, it is assigned a value and then
 never changed again $\Rightarrow$ no synchronisation\smallskip\\
-\small\textcolor{gray}{(Andrew's second favourite feature of C++)}
+%%\small\textcolor{gray}{(Andrew's second favourite feature of C++)}
 \end{textblock}}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \textcolor{codegreen}{\texttt{Set[Double]}}   & sets of Double's \\
 \textcolor{codegreen}{\texttt{(Int, String)}} & Int-String pair\\
 \textcolor{codegreen}{\texttt{List[(BigInt, String)]}} &
 lists of BigInt-String\\
 & pairs\\
-\textcolor{codegreen}{\texttt{List[List[Int]]}} & list of lists of Int's\\
+\textcolor{codegreen}{\texttt{List[List[Int]]}} & list of lists of Int's\\      \textcolor{codegreen}{\texttt{Option[Int]}}     & options of Int's \\
 \end{tabular}
 \end{itemize}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[c]
+%\begin{frame}[c]
-\frametitle{An Http Request}
+%\frametitle{An Http Request}
-\begin{textblock}{1}(2,5)
+%\begin{textblock}{1}(2,5)
-\begin{tabular}{c}
+%\begin{tabular}{c}
-\includegraphics[scale=0.15]{../pics/servers.png}\\[-2mm]
+%\includegraphics[scale=0.15]{../pics/servers.png}\\[-2mm]
-\small Server
+%\small Server
-\end{tabular}
+%\end{tabular}
-\end{textblock}
+%\end{textblock}
-\begin{textblock}{1}(5.6,4)
+%\begin{textblock}{1}(5.6,4)
-\begin{tikzpicture}[scale=1.1]
+%  \begin{tikzpicture}[scale=1.1]
-\draw[white] (0,1) node (X) {};
+%  \draw[white] (0,1) node (X) {};
-\draw[white] (2,1) node (Y) {};
+%  \draw[white] (2,1) node (Y) {};
-\draw[white] (0,0) node (X1) {};
+%   \draw[white] (0,0) node (X1) {};
-\draw[white] (2,0) node (Y1) {};
+%  \draw[white] (2,0) node (Y1) {};
-\draw[white] (0,-1) node (X2) {};
+%   \draw[white] (0,-1) node (X2) {};
-\draw[white] (2,-1) node (Y2) {};
+%  \draw[white] (2,-1) node (Y2) {};
-\draw[red, <-, line width = 2mm] (X) -- (Y);
+%  \draw[red, <-, line width = 2mm] (X) -- (Y);
-\node [inner sep=5pt,label=above:\textcolor{black}{GET request}] at ($ (X)!.5!(Y) $) {};
+%  \node [inner sep=5pt,label=above:\textcolor{black}{GET request}] at ($ (X)!.5!(Y) $) {};
-\draw[red, ->, line width = 2mm] (X1) -- (Y1);
+%  \draw[red, ->, line width = 2mm] (X1) -- (Y1);
-\node [inner sep=5pt,label=above:\textcolor{black}{webpage}] at ($ (X1)!.5!(Y1) $) {};
+%  \node [inner sep=5pt,label=above:\textcolor{black}{webpage}] at ($ (X1)!.5!(Y1) $) {};
-\draw[red, <-, line width = 2mm] (X2) -- (Y2);
+%  \draw[red, <-, line width = 2mm] (X2) -- (Y2);
-\node [inner sep=7pt,label=above:\textcolor{black}{POST data}] at ($ (X2)!.5!(Y2) $) {};
+%  \node [inner sep=7pt,label=above:\textcolor{black}{POST data}] at ($ (X2)!.5!(Y2) $) {};
-\end{tikzpicture}
+%  \end{tikzpicture}
-\end{textblock}
+%\end{textblock}
-\begin{textblock}{1}(9,5.5)
+%\begin{textblock}{1}(9,5.5)
-\begin{tabular}{c}
+%\begin{tabular}{c}
-\includegraphics[scale=0.15]{../pics/laptop.png}\\[-2mm]
+%\includegraphics[scale=0.15]{../pics/laptop.png}\\[-2mm]
-\small Browser
+%\small Browser
-\end{tabular}
+%\end{tabular}
-\end{textblock}
+%\end{textblock}
-\end{frame}
+%\end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[c]
+%\begin{frame}[c]
+%
-{\lstset{language=Java}\fontsize{7}{8}\selectfont
+%{\lstset{language=Java}\fontsize{7}{8}\selectfont
-\texttt{\lstinputlisting{URLReader.java}}}
+%\texttt{\lstinputlisting{URLReader.java}}}
+%
-\end{frame}
+%\end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \frametitle{Coursework}
 \begin{itemize}
-\item sorry, I might have been a bit wordy:\\
+\item Sorry, I might have been a bit wordy:\\
 CW description is 7 pages, but
-I only needed \mbox{< 150} loc for all the CW\bigskip
+I only needed \mbox{< 100} loc for \emph{all} the CW6.\bigskip
-\item there is email feedback when pushing code to github\bigskip
+\item there is email feedback when pushing code to github\medskip
-\item we want you to learn FP: \alert{no vars}, no mutable
+\item there are \texttt{jar}-files you can use to test my implementation\bigskip
-datastructures, e.g.~\texttt{ListBuffer}
+\item we want you to learn FP: \alert{\bf no vars}, no mutable
+data-structures, e.g.~no \texttt{Arrays}, no \texttt{ListBuffer}
 \end{itemize}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-1mm]
 val old_list = List(1, 2, 3, 5)
 val new_list = 0 :: old_list
 \end{lstlisting}}
-\item You do not have to be defensive about who can access the data
+\item You do not have to be defensive about who can access the data.
-(concurrency, lazyness).
+\item You can look at your code in isolation.
 \end{itemize}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \item it is a rather \textbf{\alert{deep}} language\ldots i.e.~gives
 you a lot of rope to shoot yourself\bigskip
 \item learning functional programming is not easy\ldots{}when you have
-spent all of your career thinking in a procedural way it is hard to
+spent all of your career thinking in an imperative way, it is hard to
 change\bigskip\medskip
-\item hope you have fun with the coursework
+\item hope you have fun with Scala and the assignments
 \end{itemize}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \frametitle{\begin{tabular}{c}\\[0cm]\alert{Questions?}\end{tabular}}
 \begin{center}
 \begin{tabular}[t]{@{}l@{}l@{}}
-\includegraphics[scale=0.1]{../pics/mand4.png} &
+\includegraphics[scale=0.1]{../pics/mand4.png} & \hspace{4mm}
-\raisebox{1.2mm}{\includegraphics[scale=0.1]{../pics/mand3.png}}
+\raisebox{0mm}{\includegraphics[scale=0.1]{../pics/mand3.png}}
 \end{tabular}
 \end{center}
 \begin{center}
-My Scala Office Hours: Thursdays 11 -- 13
+My Office Hours: Mondays 12 -- 14\\
+except next week: Tuesday 12 -- 14
 \end{center}
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \end{document}

changeset 200	01ee4b576eb2
parent 199	54befaf23648
child 278	0c2481cd8b1c