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45:50

The Cuddly Throwable Application Server

Posted by Holly Cummins  on  Feb 06, 2017 Posted by Holly Cummins  on  Feb 06, 2017

Holly Cummins presents a getting-started-guide to the Internet of Things. What’s needed? How much does it cost? What’s the best way of making an embeddable device talk to the internet?

45:39

A Brief History of Unicode

Posted by Alex Blewitt  on  Jan 13, 2017 Posted by Alex Blewitt  on  Jan 13, 2017

Alex Blewitt discusses the origins of Unicode, why UTF8 is important, how character sets have evolved over time and the role Unicode has had in the evolution of many languages.

01:08:04

Micro-Benchmarking in Java

Posted by Ben Evans  on  Nov 13, 2016 Posted by Ben Evans Jim Gough  on  Nov 13, 2016

Ben Evans and Jim Gough introduce JMH, explaining how to use it and what is happening behind the scenes to make a benchmark as accurate as possible, and how to interpret the results.

54:41

HotSpot under the Hood

Posted by Alex Blewitt  on  Sep 17, 2016 Posted by Alex Blewitt  on  Sep 17, 2016

Alex Blewitt presents how HotSpot represents Java objects in memory, how bytecode is compiled into native code to gain the fastest execution time, and how data structures have changed over time.

49:48

Using Clojure and Neo4j to Build a Meetup Recommendation Engine

Posted by Mark Needham  on  Sep 02, 2016 Posted by Mark Needham  on  Sep 02, 2016

Mark Needham shows how a meetup recommendation engine using Neo4j and Clojure can be built from scratch, combining content-based and collaborative filtering using Cypher and Clojure.

42:13

Faster Ruby, JS and Other Languages Using Graal and Truffle

Posted by Chris Seaton  on  Aug 19, 2016 Posted by Chris Seaton  on  Aug 19, 2016

Chris Seaton introduces Graal, Oracle Labs' new JIT compiler written in Java, enabling new research into optimizations, and Truffle, a framework for implementing languages that uses Graal.

42:50

Applying Big Data

Posted by Graeme Seaton  on  Aug 07, 2016 Posted by Graeme Seaton  on  Aug 07, 2016

Graeme Seaton discusses the drivers behind Big Data initiatives and how to approach them using the vast amounts of data available.

45:50

Introducing Apache Ignite

Posted by Christos Erotocritou  on  Jun 24, 2016 Posted by Christos Erotocritou  on  Jun 24, 2016

Christos Erotocritou introduces Apache Ignite, discussing how it is used to solve some of the most demanding scalability and performance challenges. He covers typical use cases and examples.

54:21

Project Jigsaw in JDK 9: Modularity Comes to Java

Posted by Simon Ritter  on  May 24, 2016 Posted by Simon Ritter  on  May 24, 2016

Simon Ritter explains the impact Jigsaw will have on developers in terms of building their applications, as well as helping them to understand how things like encapsulation will change in JDK 9.

50:39

Modular Java Applications with OSGi

Posted by Alex Blewitt  on  May 12, 2016 Posted by Alex Blewitt  on  May 12, 2016

Alex Blewitt introduces modularity in general, and the choices that OSGi made in bringing modularization to the JVM. He also looks ahead and asks how OSGi and Jigsaw will evolve in the future.

45:00

Examining Low Pause Garbage Collection in Java

Posted by John Oliver  on  Apr 26, 2016 1 Posted by John Oliver  on  Apr 26, 2016 1

John Oliver takes a look at both G1 and Shenandoah, explaining how they work, what are their limitations, providing tuning advice. He also looks at recent and future changes to garbage collection.

48:42

Understanding HotSpot JVM Performance with JITWatch

Posted by Chris Newland  on  Apr 15, 2016 Posted by Chris Newland  on  Apr 15, 2016

Chris Newland discusses performance-boosting techniques used by the JVM’s JIT and introduces JITWatch, a tool helping to get the best JVM performance for a code.

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