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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Devoxx 2013 / what I saw</title>
<meta name="description" content="A visual presentation of devoxx 2013">
<meta name="author" content="Georgios Valotasios">
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</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<h1>Devoxx 2013</h1>
<h3>Some random access memories</h3>
<p><small>from <a href="http://twitter.com/valotas" target="_blank">@valotas</a></small><p>
<p><small>css edited by <a href="http://twitter.com/P_Dei" target="_blank">@P_Dei</a></small></p>
</section>
<section>
<section>
<h2>What the f*ck is devoxx?</h2>
<p class="fragment">A conference</p>
<p class="fragment">Taking place in Antwerpen (Belgium)</p>
<p class="fragment">Started as javapolis</p>
<p class="fragment">Renamed to devoxx</p>
<p class="fragment">Not only about java anymore</p>
</section>
<section>
<h2>Some of the topics</h2>
<p>
<span class="fragment">Java8</span>
<span class="fragment">, Lambdas</span>
</p>
<p>
<span class="fragment">Groovy</span>
<span class="fragment">, Scala</span>
<span class="fragment">, Kotlin</span>
<span class="fragment">, Ceylon</span>
</p>
<p>
<span class="fragment">The web</span>
<span class="fragment">, AngularJS</span>
<span class="fragment">, Dart</span>
</p>
<p>
<span class="fragment">Android</span>
<span class="fragment">, IoT</span>
</p>
</section>
<section>
<h2>Who was there?</h2>
<ul>
<li class="fragment">Oracle</li>
<li class="fragment">Redhat</li>
<li class="fragment">Google</li>
<li class="fragment">Microsoft</li>
<li class="fragment">Jetbrains</li>
<li class="fragment">Typesafe</li>
<li class="fragment">Zeroturnaround</li>
<li class="fragment">Pivotal</li>
<li class="fragment">Atlassian</li>
<li class="fragment">Datastax</li>
<li class="fragment"><a href="http://www.devoxx.be/#/team" target="_blank">more →</a></li>
</ul>
</section>
<section>
<h2>University days</h2>
<p class="fragment">2 days of mostly <strong>how-to</strong> sessions</p>
<p class="fragment">There is the oportunity to attend labs</p>
</section>
<section>
<h2>Conference days</h2>
<p class="fragment">2.5 days <strong>information</strong></p>
<p class="fragment">companies are trying to introduce their products</p>
</section>
</section>
<section>
<section>
<h1>Day 1</h1>
<h3>University</h3>
</section>
<section>
<h2>Android application development</h2>
<h3>Better, faster, stronger</h3>
<p><a href="http://www.devoxx.be/dv13-filip-maelbrancke.html?presId=3667">3 hour "Hands-on" lab</a> on android development<p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Use Android Studio (it will only get better)</li>
<li class="fragment">Use Gradle (Maven support it's still alive though)</li>
<li class="fragment">Use Genymotion</li>
<li class="fragment">Android testing still sucks (but you have to do it)</li>
<li class="fragment">Have a look at roboletric</li>
<li class="fragment">No way to have test coverage with gradle yet</li>
</ul>
</div>
</section>
<section>
<h2>Phantom, Zombie & Karma</h2>
<p><a href="http://www.devoxx.be/dv13-jean-laurent-de-morlhon.html?presId=3491">overview</a> of the greatest testing tools for modern web app<p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Javascript unit testing exists</li>
<li class="fragment">Use Karma</li>
<li class="fragment">Do not use callbacks (unless you like stair code)</li>
<li class="fragment">You can have a browser environment within node, but just use phantom</li>
</ul>
</div>
</section>
<section>
<h2>Project lombok</h2>
<p>Return of the <a href="http://www.devoxx.be/dv13-reinier-zwitserloot.html?presId=3528">boilerplate busters</a><p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Just use it</li>
<li class="fragment">Use it <a href="http://projectlombok.org/" target="_blank">now</a></li>
</ul>
</div>
</section>
<section>
<h2>Discover the Zen of writing (Ascii)Docs</h2>
<p class="fragment">Just an introduction to <a href="http://asciidoctor.org/">asciidoctor</a> tools<p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Treat documentation as source code</li>
<li class="fragment">Markdown breaks down</li>
</ul>
</div>
<div class="fragment afternotes">
<p> Not directly related to the project notes:</p>
<p><a href="http://www.codinghorror.com/blog/2007/07/the-principle-of-least-power.html" target="_blank">Atwood's Law</a>:</p>
<blockquote>any application that can be written in JavaScript, will eventually be written in JavaScript</blockquote>
</div>
</section>
<section>
<h2>Grenade for fragmenting Android apps</h2>
<p class="fragment">Just an "easy" introduction to the <a href="https://github.com/square/mortar" target="_blank">mortar</a> framework developed within <a href="https://squareup.com/">square</a></p>
</section>
</section>
<section>
<section>
<h1>Day 2</h1>
<h3>University</h3>
</section>
<section>
<h2>Build Native Apps with HTML5?</h2>
<h3>With Chrome Apps, You Can</h3>
<p>First Google presentation for me</p>
<p class="fragment">Yet another "do everything on browser" talk</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>If you write "Offline First" webapps, you can use Chrome to make them look like normal OS applications</li>
<li class="fragment">Google is working on integrating it's services as much as possible</li>
<li class="fragment">Vendor lock-in</li>
<li class="fragment">Use node-webkit instead with less google integration</li>
</ul>
</p>
</section>
<section>
<h2>The modern java web developer</h2>
<p>3 hours of all around web development stuff with <a href="https://twitter.com/mraible">Matt Raible</a></p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>If you use eclipse do not do it because it is free</li>
<li class="fragment">Use IntelliJ IDEA</li>
<li class="fragment">Use AngularJS</li>
<li class="fragment">Use Bootstrap</li>
<li class="fragment">Mesure with Page Speed</li>
<li class="fragment">Graphs are cool!</li>
</ul>
</div>
</section>
<section>
<h2>JUnit PoweUp: Practical Testing Tips</h2>
<p>Another "test your code" presentation </p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Java tooling for testing is available</li>
<li class="fragment">Just use it</li>
</ul>
</div>
</section>
<section>
<h2>Unit testing JavaScript/CoffeeScript/Dart code with Karma</h2>
<p>An introduction to the <a href="http://karma-runner.github.io/">karma runner</a> framework</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>It is unit test centric</li>
<li class="fragment">Started as a better test runner for AngularJS unit tests</li>
<li class="fragment">You can use without AngularJS</li>
<li class="fragment">Looks like the Dart testing part has been skiped <i class="fa fa-frown-o"></i></li>
</ul>
</div>
</section>
<section>
<h2>User-Experience Metrics for Apps</h2>
<p>Just an introduction to a product that supposed to measure user-experience stuff</p>
<p class="fragment">No notes here. Was not able to attend the whole talk.</p>
</section>
</section>
<!-- DAY 3 -->
<section>
<section>
<h1>Day 3</h1>
<h3>Conference</h3>
</section>
<section>
<h2>Keynote</h2>
<h3>Java 8</h3>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Some stuff regarding the evolution of a language</li>
<li class="fragment">Java has finally <strong>lambdas</strong> (just another name for closures)</li>
<li class="fragment"><strong>Java 8</strong> is alive and kicking</li>
<li class="fragment">The most interesting part was <a href="http://meta-ex.com/">meta-ex</a> coding band that opened the day</li>
</ul>
</div>
</section>
<section>
<h2>UI Engineer - the missing profession</h2>
<p class="fragment">Some guidelines on improving the user experience of the UI</p>
</section>
<section>
<h2>Disrupt 2 Grow</h2>
<p>A quickie about disruption</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Thing out of the box</li>
<li class="fragment">Get out of your confort zone</li>
</ul>
</div>
</section>
<section>
<h2>The Internet of Things with Java</h2>
<p>Java wants to be part of the IoT</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Java can be used on "lite devices"</li>
<li class="fragment">Gemalto is trying to provide such devices</li>
<li class="fragment">Just another marketing talk</li>
</ul>
</div>
</section>
<section>
<h2>The Habits of Highly Effective Technical Teams</h2>
<p><a href="https://twitter.com/karianna">Martijn Verbung</a> or "Diabolical Developer" was talking about habits</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li><a href="https://twitter.com/karianna/status/401272831465754624" target="_blank">This tweet</a> describes it all: <q cite="https://twitter.com/karianna/status/401272831465754624">Tell your managers they suck if they put you in a 2 hour meetings</q></li>
<li class="fragment">
One of the talks to watch once available at parleys.com. Till then
<a href="http://www.slideshare.net/jclarity/habits-of-highly-effective-teams" target="_blank">here</a> are the slides
</li>
</ul>
</div>
</section>
<section>
<h2>Introducing Vert.x 2.0 - Taking polyglot applycation development to the next level</h2>
<p><a href="https://twitter.com/timfox">Tim Fox</a> introduced <a href="http://vertx.io/" target="_blank">vert.x</a> application platform</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Not the application server you used to have</li>
<li class="fragment">Can be embedded or run as a "host" environment</li>
<li class="fragment">It is polyglot: There was live examples of using it with Java, Python, Javascript, Groovy</li>
<li class="fragment">It brings the easyness of nodejs to the jvm</li>
<li class="fragment">You can easily create a cluster with many vert.x nodes (Hazelcast is being used by default)</li>
</ul>
</div>
</section>
<section>
<h2>Reactive Programming Patterns with Java 8 Futures</h2>
<p><a href="https://twitter.com/jsuereth">Joshua Suereth</a> suposed to talk about the new programming trend called <strong>Reactive programming</strong></p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>It only took 20m (why wasn't that a quickie?)</li>
<li class="fragment">Talked about how excited he was as a Scala guy to see lambdas on Java</li>
<li class="fragment">Tried to show how <a href="http://www.playframework.com/documentation/2.0.x/JavaHome" target="_blank">play's java api</a> could have been with lambdas <i class="fa fa-thumbs-down"></i> </li>
<li class="fragment">The talk was completelly out of its context <i class="fa fa-thumbs-down"></i></li>
<li class="fragment">For sure there are more to expect from <a href="http://typesafe.com/" target="_blank">Typesafe</a> <i class="fa fa-frown-o"></i></li>
</ul>
</div>
</section>
<section>
<h2>The Bleeding Edge</h2>
<p><a href="https://twitter.com/karianna">Martijn Verbung</a> again with Richard Warburton talking about their bleeding edje decisions within <a href="http://www.jclarity.com/" target="_blank">jClarity</a></p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Use AngulaJS</li>
<li class="fragment">Vertx works just fine</li>
<li class="fragment">Rething mongodb</li>
</ul>
</div>
</section>
</section><!-- //EO DAY 3 -->
<section>
<section>
<h1>Day 4</h1>
<h3>Conference</h3>
</section>
<section>
<h2>Shaping the future of the web development</h2>
<h3>The Dart language goes v1.0</h3>
<p>Lars Bak from google announced the general availability of version 1.0 of the dart programming language</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Google guys stoped talking about angularJS</li>
<li class="fragment">The whole day was a push for dart from Google</li>
</ul>
</div>
</section>
<section>
<h2>Programmers are way cooler than musicians</h2>
<p>Geert Bevin from <a href="http://zeroturnaround.com/" target="_blank">ZeroTurnaround</a> talking about music</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>One of the top ten talks</li>
<li>Nothing to do with programming</li>
</ul>
</div>
</section>
<section>
<h2>Make sense of your (BIG) data</h2>
<p>David Pilato from Elasticsearch, introducing... <a class="fragment" href="http://www.elasticsearch.org">Elasticsearch</a></p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Start putting data into <a href="http://www.elasticsearch.org" target="_blank">elasticsearch</a></li>
<li class="fragment">Use <a href="http://www.elasticsearch.org/overview/kibana/">kibana</a> to make sense of them</li>
<li class="fragment">Use <a href="http://www.elasticsearch.org/overview/logstash/">logstash</a> to flood your elastic search with data</li>
</ul>
</div>
</section>
<section>
<h2>Dart Team - Ask Us Anything</h2>
<p>Lars Bak, Kasper Lund, Dan Grove, Florian Loitsch, Steve Messick, Soren Gjesse and Seth Ladd was on stage to just answers questions</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>If you want stracture with javascript you can <strong>wait</strong> for latest ECMAScript implementation</li>
<li class="fragment">Dart VM will be bundled with Google Chrome next year</li>
<li class="fragment">The target was to create a language familiar to developers and push it for web development</li>
</ul>
</div>
</section>
<section>
<h2>Mobile, multi-device, multi-player with HTML5 and Dart</h2>
<p>Seth Ladd was on stage to give a full talk on Dart</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Focused more on web applications</li>
<li class="fragment">One language to rule them all feature (runs on both server side and client side)</li>
<li class="fragment">Introduced pub which is the npm registry of dart</li>
<li class="fragment">All bundled together with a demo</li>
</ul>
</div>
</section>
<section>
<h2>JavaPosse LIVE</h2>
<p>The have fun drinking beer session of devoxx. Nothing more nothing less.</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Voted as the best session</li>
</ul>
</div>
</section>
<section>
<h2>Continuous Delivery antipatterns</h2>
<p>Andrzej Grzesik from ebay was talking about Continuous Delivery</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Prioritize</li>
<li class="fragment">Fix the task with the higher priority</li>
<li class="fragment">Prioritize again</li>
<li class="fragment">Always expect a change</li>
</ul>
</div>
</section>
<section>
<h2>Continous Delivery Patterns for Large Software Stacks</h2>
<p>Hans Dockter, CEO of Gradleware was talking about continous integration</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Continous Delivery does not always make sense</li>
<li class="fragment">What happens if your build is some hours long with your build branch?</li>
<li class="fragment">What happend if there are more than one teams working on the same branch?</li>
</ul>
</div>
</section>
</section>
<section>
<section>
<h1>Day 5</h1>
<h3>Conference</h3>
</section>
<section>
<h2>Gradle for Android and the Rest of the World</h2>
<p>Hans Dockter again talking about their <a href="http://www.gradle.org/">awesome product</a></p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Mostly a Gradle can do everything talk</li>
<li class="fragment">Android studio was the first IDE to take advantage of the gradle api</li>
<li class="fragment">Gradleware is about to invest more on that</li>
<li class="fragment">One of the features to expect at the next releases is parallel builds</li>
</ul>
</div>
</section>
<section>
<h2>Hadoop data mining swiss army knife</h2>
<p>Evaluation of the available <a href="http://hadoop.apache.org/" target="_blank">hadoop</a> frameworks</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>Start with MR</li>
<li class="fragment">When the code becomes more complex move to something like <a href="http://pig.apache.org/" target="">Pig</a></li>
<li class="fragment">If you start missing SQL move to something like <a href="http://hive.apache.org/" target="_blank">Hive</a></li>
<li class="fragment">Then forget everything and start using <a href="http://www.cascading.org/" target="_blank">cascading</a></li>
</ul>
</div>
</section>
<section>
<h2>Taming Drones: How Java Controls teh Uprising of Drone Force</h2>
<p>How a PC, a small drone and a some tape can produce a really usefull product</p>
<div class="fragment notes">
<p class="pencil"><i class="fa fa-pencil"></i></p>
<ul>
<li>There was a Drone flying at the stage</li>
<li class="fragment">The talk was not techical, but...</li>
<li class="fragment">It shows the power of open source in general</li>
<li class="fragment">Take existing projects, wire them together and you get a prototype for free!</li>
</ul>
</div>
</section>
</section>
<section>
<h1>Questions</h1>
<p class="fragment">None?</p>
</section>
</div>
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