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Ivan Hörler
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<body>
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<div class="reveal">
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<div class="slides">
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<section id="sec-title-slide"><h1 class="title">Case-Study</h1><h2 class="author">Ivan Hörler und Andreas Zweili</h2><p class="date">Created: 2018-03-14 Wed 15:41</p>
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<section id="sec-title-slide"><h1 class="title">Case-Study</h1><h2 class="author">Ivan Hörler und Andreas Zweili</h2><p class="date">Created: 2018-03-15 Thu 08:11</p>
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</section>
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<section id="table-of-contents">
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<div id="table-of-contents">
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<h2>Inhaltsverzeichnis</h2>
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<div id="text-table-of-contents">
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<ul>
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<li><a href="#/slide-orgc489b83">Ausgangslage</a></li>
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<li><a href="#/slide-orgb5dc558">Varianten</a></li>
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<li><a href="#/slide-org150a574">Kosten</a></li>
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<li><a href="#/slide-org5370538">Vorgehen</a></li>
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<li><a href="#/slide-org62d970d">Fazit</a></li>
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<li><a href="#/slide-orgc7bac3d">Ausgangslage</a></li>
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<li><a href="#/slide-org4505ea0">Varianten</a></li>
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<li><a href="#/slide-orgf23755d">Kosten</a></li>
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<li><a href="#/slide-org0e33598">Vorgehen</a></li>
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<li><a href="#/slide-org74efa28">Fazit</a></li>
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<li><a href="#/slide-org53422e6">Besten Dank für die Aufmerksahmkeit.</a></li>
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</ul>
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</div>
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</div>
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</section>
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<section>
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<section id="slide-orgc489b83">
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<h2 id="orgc489b83">Ausgangslage</h2>
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<section id="slide-orgc7bac3d">
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<h2 id="orgc7bac3d">Ausgangslage</h2>
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<ul>
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<li>Webshop erstellen</li>
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<li>Währungsumrechnung CHF zu …</li>
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<li>Freie Software in Bezug auf Open-Source Code.</li>
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</ul>
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<p>
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Um einen ersten Anhaltspunkt zu haben, haben wir ein Mindmap gezeichnet in
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welchem wir unsere ersten Ideen erfassten.
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</p>
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</section>
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<section id="slide-orgff3d075">
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<h3 id="orgff3d075">Vision</h3>
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<section id="slide-orgffda324">
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<h3 id="orgffda324">Vision</h3>
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<p>
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Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</p>
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@ -70,8 +68,8 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</div>
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</section>
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<section id="slide-orgb5960bc">
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<h3 id="orgb5960bc">Vision - Artikel</h3>
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<section id="slide-orgea85606">
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<h3 id="orgea85606">Vision - Artikel</h3>
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<div class="figure">
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<p><img src="pictures/Vision-Artikel.png" alt="Vision-Artikel.png" width="80%" />
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@ -79,33 +77,24 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</div>
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</section>
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<section id="slide-org723bfed">
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<h3 id="org723bfed">Vision - Warenkorb</h3>
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<section id="slide-org0f44f22">
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<h3 id="org0f44f22">Vision - Warenkorb</h3>
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<div class="figure">
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<p><img src="pictures/Vision-Warenkorb.png" alt="Vision-Warenkorb.png" width="80%" />
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</p>
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</div>
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</section>
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<section id="slide-orgafe16fc">
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<h3 id="orgafe16fc">Vision - Abgaben</h3>
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<div class="figure">
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<p><img src="pictures/Vision-Abgaben.png" alt="Vision-Abgaben.png" width="80%" />
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</p>
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</div>
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</section>
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</section>
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<section>
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<section id="slide-orgb5dc558">
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<h2 id="orgb5dc558">Varianten</h2>
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<div class="outline-text-2" id="text-orgb5dc558">
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<section id="slide-org4505ea0">
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<h2 id="org4505ea0">Varianten</h2>
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<div class="outline-text-2" id="text-org4505ea0">
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</div>
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</section>
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<section id="slide-orgcc02b2b">
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<h3 id="orgcc02b2b">C# und SQL Server</h3>
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<section id="slide-org197fb31">
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<h3 id="org197fb31">C# und SQL Server</h3>
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<div class="figure">
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<p><img src="pictures/csharp.png" alt="csharp.png" />
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@ -113,8 +102,8 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</div>
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</section>
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<section id="slide-org5e9536b">
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<h3 id="org5e9536b">Laravel und MySQL</h3>
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<section id="slide-org54e84dd">
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<h3 id="org54e84dd">Laravel und MySQL</h3>
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<div class="figure">
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<p><img src="pictures/laravel.png" alt="laravel.png" />
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@ -122,8 +111,8 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</div>
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</section>
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<section id="slide-org6a465f6">
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<h3 id="org6a465f6">Django und MariaDB</h3>
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<section id="slide-org3a773d2">
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<h3 id="org3a773d2">Django und MariaDB</h3>
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<div class="figure">
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<p><img src="pictures/django.png" alt="django.png" />
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@ -131,21 +120,21 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</div>
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</section>
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<section id="slide-org828caad">
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<h3 id="org828caad">Kriterien</h3>
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<section id="slide-org4ee31b4">
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<h3 id="org4ee31b4">Kriterien</h3>
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<ul>
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<li>Freie Software</li>
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<li>Cross Plattform nutzbar</li>
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<li>Lesbarkeit des Codes</li>
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<li>Einfachheit des Setups</li>
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<li>Ohne spezielle Tools nutzbar</li>
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<li>Vorkenntnisse Lernfaktor</li>
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<li>Vorkenntnisse und Lernfaktor</li>
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</ul>
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</section>
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<section id="slide-orgc207dd7">
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<h3 id="orgc207dd7">Vergleich</h3>
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<section id="slide-org920eaec">
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<h3 id="org920eaec">Vergleich</h3>
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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@ -157,7 +146,7 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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<thead>
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<tr>
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<th scope="col" class="org-left"><b>Variante</b></th>
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<th scope="col" class="org-right"><b>Erreichte Punktzahl</b></th>
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<th scope="col" class="org-right"><b>Erreichte Punktzahl von 235</b></th>
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</tr>
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</thead>
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<tbody>
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@ -178,20 +167,16 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</tbody>
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</table>
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</section>
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<section id="slide-orgd5e840b">
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<h3 id="orgd5e840b">Auswahl</h3>
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</section>
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</section>
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<section>
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<section id="slide-org150a574">
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<h2 id="org150a574">Kosten</h2>
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<div class="outline-text-2" id="text-org150a574">
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<section id="slide-orgf23755d">
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<h2 id="orgf23755d">Kosten</h2>
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<div class="outline-text-2" id="text-orgf23755d">
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</div>
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</section>
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<section id="slide-org9461dcd">
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<h3 id="org9461dcd">Laravel Webshop</h3>
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<section id="slide-org81402e8">
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<h3 id="org81402e8">Laravel Webshop</h3>
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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</table>
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</section>
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<section id="slide-org18e9a41">
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<h3 id="org18e9a41">Django Webshop</h3>
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<section id="slide-org9461b82">
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<h3 id="org9461b82">Django Webshop</h3>
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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@ -259,28 +244,25 @@ Die Vision wurde anhand eines Mindmaps erstmals grob umfasst:
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</section>
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</section>
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<section>
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<section id="slide-org5370538">
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<h2 id="org5370538">Vorgehen</h2>
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<div class="outline-text-2" id="text-org5370538">
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<section id="slide-org0e33598">
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<h2 id="org0e33598">Vorgehen</h2>
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<div class="outline-text-2" id="text-org0e33598">
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</div>
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</section>
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<section id="slide-orge7824f4">
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<h3 id="orge7824f4">Currencies - App</h3>
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<section id="slide-orga69f68a">
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<h3 id="orga69f68a">Currencies - App</h3>
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<ul>
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<li>Wurde in Django als eigenen App entwickelt und sollte daher problemloos in</li>
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<li>Wurde in Django als eigenen App entwickelt und sollte daher problemlos in andere Applikationen eingebunden werden können.</li>
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</ul>
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<p>
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andere Applikationen eingebunden werden können.
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</p>
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<ul>
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<li>Die Quelle der Währungen ist die Schweizerische Nationalbank mit der URL:</li>
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</ul>
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<p>
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<a href="https://www.snb.ch">https://www.snb.ch</a> | resp:
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<a href="https://www.snb.ch">https://www.snb.ch</a>
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</p>
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<p>
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<a href="https://www.snb.ch/selector/de/mmr/exfeed/rss">https://www.snb.ch/selector/de/mmr/exfeed/rss</a>
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</p>
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@ -291,32 +273,30 @@ andere Applikationen eingebunden werden können.
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</div>
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</section>
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<section id="slide-orgde14a58">
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<h3 id="orgde14a58">Currencies - Quelle</h3>
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<section id="slide-org0a0e4df">
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<h3 id="org0a0e4df">Currencies - Quelle</h3>
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<div class="figure">
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<p><img src="pictures/currencies-rss-xml.png" alt="currencies-rss-xml.png" width="80%" />
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<p><img src="pictures/currencies-rss-xml.png" alt="currencies-rss-xml.png" />
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</p>
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</div>
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</section>
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<section id="slide-org6d79140">
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<h3 id="org6d79140">Currencies - Parsing</h3>
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<section id="slide-org9780263">
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<h3 id="org9780263">Currencies - Parsing</h3>
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<ul>
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<li>Das Konvertieren des XML’s wurde mit Python eigener Module gemacht.</li>
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<li>für das Herunterladen des XML’s wurde das Modul ’urllib’ verwendet (1)</li>
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<li>für das Parsen über die einzelnen items/nodes das Modul xml.etree.ElementTree. (2)</li>
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<li><a href="https://docs.python.org/2/library/urllib.html">https://docs.python.org/2/library/urllib.html</a></li>
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<li><a href="https://docs.python.org/2/library/xml.etree.elementtree.html">https://docs.python.org/2/library/xml.etree.elementtree.html</a></li>
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</ul>
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<p>
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(1) <a href="https://docs.python.org/2/library/urllib.html">https://docs.python.org/2/library/urllib.html</a>
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(2) <a href="https://docs.python.org/2/library/xml.etree.elementtree.html">https://docs.python.org/2/library/xml.etree.elementtree.html</a>
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</p>
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</section>
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<section id="slide-org22561e4">
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<h3 id="org22561e4">Currencies - Ablauf</h3>
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<section id="slide-orgff44fe9">
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<h3 id="orgff44fe9">Currencies - Ablauf</h3>
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<div class="figure">
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<p><img src="pictures/currencies.png" alt="currencies.png" width="55%" />
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@ -324,8 +304,8 @@ andere Applikationen eingebunden werden können.
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</div>
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</section>
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<section id="slide-orgeb66642">
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<h3 id="orgeb66642">Infrastruktur</h3>
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<section id="slide-org3287a1a">
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<h3 id="org3287a1a">Infrastruktur</h3>
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<aside class="notes">
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<p>
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Andreas erzählt wie die infrastruktur aufgebaut ist.
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@ -335,65 +315,48 @@ Andreas erzählt wie die infrastruktur aufgebaut ist.
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<div class="figure">
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<p><img src="pictures/Server-Architecture.png" alt="Server-Architecture.png" width="60%" />
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<p><img src="pictures/Server-Architecture.png" alt="Server-Architecture.png" width="90%" />
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</p>
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</div>
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</section>
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<section id="slide-org50acd06">
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<h3 id="org50acd06">Programmierung</h3>
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<p>
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vieleicht zwei Schwierigkeiten
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</p>
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<section id="slide-orgc772f3a">
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<h3 id="orgc772f3a">Programmierung</h3>
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</section>
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<section id="slide-org4225190">
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<h3 id="org4225190">Programmierung - Hürde #1</h3>
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<ul>
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<li>Django hat ein modul das die Forms speziell handelt so dass man mit wehnig Code</li>
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</ul>
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<p>
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Einen HTML Button oder ein Feld erzeugen kann.
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<div class="figure">
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<p><img src="pictures/form.png" alt="form.png" width="60%" />
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</p>
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<ul>
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<li>Die schwierigkeit war nun heraus zu finden wie man dem Feld ein von der DB stammenden</li>
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</div>
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</ul>
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<p>
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default wert mitgeben konnte.
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</p>
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<ul>
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<li>Es stellte sich heraus dass das Feld ein Key: Value paar benötigte um zu wissen wohin es</li>
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<div class="org-src-container">
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</ul>
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<p>
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den wert schreiben soll….
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</p>
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<pre class="src src-python"><span style="color: #657b83; background-color: #fdf6e3;">amount_form</span> = CartForm<span style="color: #268bd2;">(</span>
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<span style="color: #93a1a1; background-color: #eee8d5;"> </span> <span style="color: #657b83; background-color: #fdf6e3;">initial</span>=<span style="color: #2aa198;">{</span><span style="color: #2aa198;">'amount_form'</span>: cart_position.amount<span style="color: #2aa198;">}</span>
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<span style="color: #268bd2;">)</span>
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</pre>
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</div>
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<p>
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Note: hier den code higlighter einfügen:
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amount_form = CartForm(
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initial={’amount_form’: cart_position.amount}
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)
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</p>
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</section>
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</section>
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<section>
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<section id="slide-org62d970d">
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<h2 id="org62d970d">Fazit</h2>
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<p>
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special thanks to:
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</p>
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<section id="slide-org74efa28">
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<h2 id="org74efa28">Fazit</h2>
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<ul>
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<li>draw.io,</li>
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<li>Python,</li>
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<li>Django,</li>
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<li>stackexchange and</li>
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<li>Beer.</li>
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<li>Trotz Model View Controll, SQL unerlässlich.</li>
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<li>Vagrant (up, suspend, provision, destroy)</li>
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<li>Git, Python/Django, JS brauchts trotzdem.</li>
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</ul>
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</section>
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</section>
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<section>
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<section id="slide-org53422e6">
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<h2 id="org53422e6">Besten Dank für die Aufmerksahmkeit.</h2>
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<p>
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Ivan & Andreas
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</p>
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</section>
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</section>
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</div>
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