Webinar: Web Application Diagnostics with Java and Javascript

News | Pieter Humphrey | April 08, 2014 | ...

Speakers: Josh Long (Pivotal) and Ashley Puls (New Relic)

There is more and more usage of Javascript on the client side today. Many are starting down the difficult path of full blown application development in JS on the client side, going beyond having a simple rollover menu logic or presentation component. But tracking and tracing effectively means looking at the whole application, not just the front end. New Relic can be used either in development or production to diagnose hybrid Javascript/Java applications. In this session, Josh Long (Pivotal) and Ashley Puls (New Relic) will show how you can track and trace your way through today's hybrid Java web apps - resolving slow page loads, blocked threads, slow queries, etc.

Tuesday, April 30, 2014 3:00 pm (London, UTC+01:00) Register

Tuesday, April 30, 2014 10:00 am Pacific Daylight Time (San Francisco, UTC-07:00) Register

SpringOne2GX 2013 Replay: Hadoop - Just the Basics for Big Data Rookies

News | Pieter Humphrey | March 31, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA

Speaker: Adam Shook

This session assumes absolutely no knowledge of Apache Hadoop and will provide a complete introduction to all the major aspects of the Hadoop ecosystem of projects and tools. If you are looking to get up to speed on Hadoop, trying to work out what all the Big Data fuss is about, or just interested in brushing up your understanding of MapReduce, then this is the session for you. We will cover all the basics with detailed discussion about HDFS, MapReduce, YARN (MRv2), and a broad overview of the Hadoop ecosystem including Hive, Pig, HBase, ZooKeeper and more.

Learn More about Spring XD at: http://projects.spring.io/spring-xd

Learn More about Spring Data Hadoop at http://projects.spring.io/spring-hadoop

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SpringOne2GX 2013 Replay: Real Time Analytics with Spring

News | Pieter Humphrey | March 31, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA

Speakers: David Turanski, Luke Taylor

Today's solutions must provide the ability to interpret related events and understand trends that are happening right now. This session will cover some of the out of the box capabilities of Spring XD to tap into big data streams and generate metrics such as simple counters, aggregate counters, moving averages, rates of change, and histograms. Hands-on demos will show you how Spring XD uses Redis and GemFire's Continuous Query and Function Execution to incorporate real-time analytics into event-driven applications.

Learn More about Spring XD at: http://projects.spring.io/spring-xd

Learn More about Spring Data Redis at: http://projects.spring.io/spring-data-redis

Learn More about Spring Data Gemfire at: http://projects.spring.io/spring-data-gemfire

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Webinar Replay: Spring LDAP 2.0.0

News | Pieter Humphrey | March 26, 2014 | ...

Speaker: Mattias Arthursson, Spring LDAP lead

Slides: https://speakerdeck.com/marthursson/spring-ldap-2-dot-0

The recently released 2.0 version has given the Spring LDAP project a significant facelift. With new features like Spring Data Repository and QueryDSL support, a fluent LDAP query builder, and XML namespace configuration, LDAP administration applications can now be built more efficiently than ever. This webinar will provide an overview of the goals and scope of Spring LDAP and demonstrate all the improvements in version 2.0, giving you plenty of hands-on tips along the way on how to make maximum use of the library.

Learn More about Spring LDAP at: http://projects.spring.io/spring-ldap

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Webinar Replay: Spring Framework 4.0 on Java 8

News | Pieter Humphrey | March 26, 2014 | ...

Speaker: Juergen Hoeller

Slides: https://speakerdeck.com/jhoeller/spring-framework-4-on-java-8

Spring has a track record of providing dedicated support for new Java generations in a timely fashion, and now it's right about time to go Java 8: With Spring Framework 4.0, we're providing in-depth support for all relevant OpenJDK 8 features, including lambda expressions, JSR-310 Date and Time, parameter name discovery, and java.util.concurrent enhancements. This talk will illustrate basic Spring Framework 4.0 concepts, and selected Java 8 features within Spring's programming model, exploring the impact on application architectures.

Learn more about Spring Framework at: http://projects.spring.io/spring-framework

and at


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SpringOne2GX 2013 Replay: AOP-ing your JavaScript

News | Pieter Humphrey | March 25, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA.

Speaker: Brian Cavalier

Loose coupling. Your web front-end has that, right? Your JavaScript is using pubsub, event emitters, and message buses! Guess again, you can do better. Aspect Oriented Programming (AOP) is a technique for augmenting the behavior of objects, methods, and functions non-invasively. AOP adds new behaviors and modifies existing behaviors "from the outside". Using AOP, it's possible to create connections between components without either having any knowledge of the other and without any extra library dependencies in your code. While you may be familiar with AOP in Spring, you may not yet have applied it in JavaScript. In this talk, we'll do just that. We'll introduce simple techniques for applying AOP in pure JavaScript using no additional libraries, and then look at meld.js (https://github.com/cujojs/meld), the AOP library that powers Cujo.js (http://cujojs.com). We'll work from simple examples of making connections between components to more sophisticated examples that integrate pubsub, message buses, etc. in a truly loosely coupled way.

!{iframe width="560" height="315" src="//www.youtube.com/embed/MoZgJY2IF4A" frameborder="0" allowfullscreen}{/iframe}

SpringOne2GX 2013 Replay: Tips and Tricks for Client Side Performance

News | Pieter Humphrey | March 25, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA

Speaker: Jeremy Grelle

As the complexity of web and mobile apps increases, so does the importance of ensuring that your client-side resources load and execute in an optimal and efficient manner. Differences in resource loading techniques can have a dramatic impact on how fast an application feels to your users, and can be the catalyst for whether they have a joyful or frustrating experience. This talk will discuss performance techniques aimed at keeping your users on the joyful end of this user experience spectrum. We'll take a look at:

  • Pragmatic tools for measuring client-side performance
  • Techniques for optimizing resources and their resulting impact
  • Approaches to maximizing dev-time happiness and production performance
  • Easy incorporation of these techniques into your everyday tool-chain
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Java 8 in Enterprise Projects

News | Juergen Hoeller | March 20, 2014 | ...

With the GA release of Java 8 finally having arrived this week, let's all rejoice and celebrate - and then wake up and wonder how to introduce this to our everyday work environments...

This is easy enough to do for prototyping purposes: grab a JDK 8 download, IntelliJ IDEA or Eclipse's recently completed Java 8 support, and off you go. The challenging part comes a step later: You need to figure out how to deploy your app to a Java 8 enabled environment.

Of course, in practice, that consideration probably comes much earlier: Before you're willing or allowed to try Java 8, you need to have a…

Manning Publications: First class functions in Java 8

News | Pieter Humphrey | March 20, 2014 | ...

Java developers have heard a lot about functional-style programming - particularly with Java 8's addition of lambda expressions.

"First-class functions in Java 8" is a 12 minute video tutorial from Java 8 in Action: Lambdas, Streams, and functional-style programming by Raoul-Gabriel Urma, Mario Fusco and Alan Mycroft.

This video introduces method references and lambda expressions, the mechanisms Java 8 provides to pass a behavior as an argument to a method.

To save 38% on this or any other Manning books, just enter vturma01 in the Promotional Code box when you check out at manning.com.

!{iframe width="560" height="315" src="//www.youtube.com/embed/gDTzlfjMe98" frameborder="0" allowfullscreen}{/iframe}

While the term "lambda expression" may sound abstract and academic, Java 8 Lambdas can have a big impact on how you program every day. In simplest terms, a lambda expression is a function—a bit of code—that you can pass to another method as an argument. Thus, you can cope with changing requirements by using a behavior, represented by a lambda, as a parameter. Java 8's functional programming features, like lambdas and the new Stream API that enables a cleaner way to iterate through collections, can help you write concise, maintainable code that scales easily and performs well on multicore architectures. Java 8 in Action is a clearly-written guide to Java 8 lambdas and functional programming in Java. It begins with a practical introduction to the structure and benefits of lambda expressions in real-world Java code. The book then introduces the Stream API and shows how it can make collections-related code radically easier to understand and maintain. Along the way, you'll discover new FP-oriented design patterns with Java 8 for code reuse, code readability, exception handling, data manipulation, and concurrency. For developers also exploring other functional languages on the JVM, the book concludes with a quick survey of useful functional features in Scala and Clojure.

SpringOne2GX 2013 Replay: Reactor - a foundation for asynchronous applications on the JVM

News | Pieter Humphrey | March 18, 2014 | ...

Recorded at SpringOne2GX 2013 in Santa Clara, CA.

Speakers: Jon Brisbin, Stephane Maldini Reactor was recently made public after a two-year incubation, evolving slowly alongside frameworks like Storm, Akka, Play, GPars or Vert.x. Integrated with Grails starting with version 2.3, Reactor takes the best ideas from several asynchronous toolsets and synthesizes them into a coherent framework that supports a variety of runtime topologies and makes it easy for developers to efficiently leverage their cloud or traditional hardware assets. Reactor is equally at home inside or outside a Spring ApplicationContext and also provides first-class Groovy support in the form of DSLs and language extensions. Special attention has been given to make Reactor easy enough to use to create single-file node.js-like applications, while maintaining a solid asynchronous toolset that works with Big and Fast Data tools like Gemfire, Spring Integration, and Spring Batch. This talk will give Reactor a proper introduction and show sample code that demonstrates the event-driven and composition-based nature of Reactor applications.


Learn more about Spring Framework 4.0 http://projects.spring.io/spring-framework

Learn more about Spring Boot http://projects.spring.io/spring-boot

Learn more about using CloudFoundry at: http://cloudfoundry.org/

!{iframe width="560" height="315" src="//www.youtube.com/embed/XEkR6EaIZW4" frameborder="0" allowfullscreen}{/iframe}

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