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Setting the Permanent Generation Size in Oracle SOA Suite 11g

Javalobby Syndicated Feed - Thu, 24-Jul-14 22:20
This recipe, taken from the Oracle SOA Suite 11g Performance Cookbook,  looks at how increasing the permanent generation size. Permanent Generation (PermGen) is a special part of the Java heap which contains the Class templates for all of the Java Classes on your classpath. Preview Text:  This recipe, taken from the Oracle SOA Suite 11g...
Categories: Java

How to Evaluate Job Offers

Javalobby Syndicated Feed - Thu, 24-Jul-14 22:00
At some point in a career, many will be in a position to decide between multiple job offers from different companies – or at worst having to decide between accepting a new job or staying put. When starting to compare offers, it is common for the recipient to focus on the known quantities (i.e. salary, bonus, etc.) and perhaps a couple additional details that are...
Categories: Java

PhoneGap Day US and EU Announced

Javalobby Syndicated Feed - Thu, 24-Jul-14 22:00
For a few years now the PhoneGap team have been running a one day conference called PhoneGap Day. This is easily one of my favorite conferences. It has a very laid back vibe. The sessions are short and sweet (20 minutes or so a pop). The schwag is actually useful. Out of all the conferences I attend, this one just feels the most relaxed, fun, and educational as well. Preview Text:  ...
Categories: Java

Neo4j: Cypher - Separation of Concerns

Javalobby Syndicated Feed - Thu, 24-Jul-14 22:00
While preparing my talk on building Neo4j backed applications with Clojure I realised that some of the queries I’d written were incredibly complicated and went against anything I’d learnt about separating different concerns. One example of this was the query I used to generate the data for the following page of the meetup application I’ve been working on: Preview Text:  ...
Categories: Java

Prebuilt OAuth connectors for SalesForce.com

Javalobby Syndicated Feed - Thu, 24-Jul-14 22:00
One of the neat things about the latest (v7.3) version of the Axway API Gateway is that it comes with pre-configured OAuth 2.0 connectors for SalesForce.com. You can find these under External Connections in Policy Studio, as shown in the screenshot below: Preview Text:  One of the neat things about the latest (v7.3) version of the Axway API...
Categories: Java

Print On Demand: Kite SDK

Javalobby Syndicated Feed - Thu, 24-Jul-14 21:45
Feel like adding print on demand to your app? Check this out: OceanLabs / iOS-Print-SDK The Kite Print SDK makes it easy to add print on demand functionality to your app. Harness our worldwide print and distribution network. We’ll take care of all the tricky printing and postage stuff for you! To get started, you will need to have a free Kite developer account. Go to kite.ly to sign up for...
Categories: Java

Testing Code for Excessively Large Inputs

Javalobby Syndicated Feed - Wed, 23-Jul-14 23:00
When writing unit tests we mostly focus on business correctness. We do our best to exercise happy path and all edge cases. We sometimes microbenchmark and measure throughput. But one aspect that is often missed is how our code behaves when the input is excessively large? We test how we handle normal input files, malformed files, empty files, missing files... but what about insanely large input...
Categories: Java

How Pairing & Swarming Work & Why They Will Improve Your Products

Javalobby Syndicated Feed - Wed, 23-Jul-14 23:00
If you’ve been paying attention to agile at all, you’ve heard these terms: pairing and swarming. But what do they mean? What’s the difference? When you pair, two people work together to finish a piece of work. Traditionally, two developers paired. The “driver” wrote the piece of work. The other person, the “navigator,” observed the work, providing review, as the work was...
Categories: Java

Tutorial: Scaling Meteor with MongoDB Oplog Tailing

Javalobby Syndicated Feed - Wed, 23-Jul-14 23:00
Ever since Meteor 0.7.0 first introduced oplog tailing, we’ve had a lot of users asking us about using the MongoDB oplog with their Meteor applications. As a result, we thought a step-by-step tutorial would help folks get started. Preview Text:  Ever since Meteor 0.7.0 first introduced oplog tailing, we’ve had a lot of users asking us about...
Categories: Java

Why I Prefer IntelliJ IDEA Over Eclipse

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
Over the last couple months, I've received a few emails asking why I prefer IntelliJ IDEA over Eclipse. They usually go something like this: Preview Text:  Over the last couple months, I've received a few emails asking why I prefer IntelliJ IDEA over Eclipse. They usually go something like this Legacy ...
Categories: Java

Your Tests Assume That JBoss is Up and Running

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
Preview Text:  As a Java EE developer I tend to mix unit tests with integrations tests, usually using Arquillian. Legacy Sponsored:  unsponsored
Categories: Java

Scaling Big Data fabrics

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
When people talk about Big Data, the emphasis is usually on the Big. Certainly, Big Data applications are distributed largely because the size of the data on which computations are executed warrants more than a typical application can handle. But scaling the network that provides connectivity between Big Data nodes is not just about creating massive interconnects. In fact, the size of the...
Categories: Java

Plotting the characteristic roots for ARIMA models

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
When modelling data with ARIMA models, it is sometimes useful to plot the inverse characteristic roots. The following functions will compute and plot the inverse roots for any fitted ARIMA model (including seasonal models). Preview Text:  When modelling data with ARIMA models, it is sometimes useful to plot the inverse characteristic roots. The...
Categories: Java

The impact of interruptions at work

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
Interruptions seem a central part of modern working life.  Whether it’s open plan offices or the influx of digital tools into the workplace, a distraction never seems far away.  Indeed, studies have suggested that the average office worker is interrupted six times every hour. Preview Text:  Interruptions seem a central part of modern...
Categories: Java

The Ship Show: DevOps on the Silicon Prairie

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
When most of us think of where the gravitational pull is in DevOps, places like San Francisco, New York, and Belgium spring to mind. But the Midwest? You bet, pardner! For episode 45, we take a field trip to Minneapolis for its first ever DevOps Days. With a panel of organizers and speakers from the event (including Patrick Debois!), we discuss the various talks as well as the open spaces and...
Categories: Java

Anatomy of a DevOps Orchestration Engine: (II) Architecture

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
Maestro architecture is basically defined by a master server and multiple agents, written in Java and Ruby (JRuby) for the backend and JavaScript for the frontend using AngularJS, and integrating several open source services. Preview Text:  Maestro architecture is basically defined by a master server and multiple agents, written in Java and...
Categories: Java

The Best of DZone: July 17 - 23

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
If you missed anything on DZone this week, now's your chance to catch up! Below are the most popular posts of the past week - both links from DZone.com and articles from our Zones - covering Big Data and NoSQL databases, web design and mobile development, and everything inbetween: Preview Text:  If you missed anything on DZone this week,...
Categories: Java

Frightening Facts about MySQL

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
So you might’ve seen Destroy all Software’s talk about JavaScript: Destroy all Software – WAT Here’s a similar talk (less funny more scary) about MySQL: Preview Text:  So, you might've seen Destroy all Software's talk about JavaScript. Well, here's a similar talk (less funny, more scary) about MySQL. ...
Categories: Java

Purging Data From the BPEL Store

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:30
In this recipe, taken from the book Oracle SOA Suite 11g Performance Tuning Cookbook  (ISBN: 9781849688840, Packt Publishing) we will remove old BPEL dehydration data and state from the SOA infrastructure database.Getting readyYou will need to have access to the database on which the SOA_INFRA schema is hosted.  In this recipe we’ll be using a command line local to the...
Categories: Java

Swiss Java Knife - A useful tool to add to your diagnostic tool-kit?

Javalobby Syndicated Feed - Wed, 23-Jul-14 22:15
As a support consultant at C2B2 I am always looking for handy tools that may be able to help me or my team in diagnosing our customers middleware issues. So, when I came across a project called Swiss Java Knife promising tools for 'JVM monitoring, profiling and tuning' I figured I should take a look. It's basically a single jar file that allows you to run a number of tools most of which are...
Categories: Java

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