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JPA Tutorial: Mapping Entities – Part 3

Javalobby Syndicated Feed - Tue, 14-Oct-14 23:00
In my last article I showed two different ways to read/write persistent entity state – field and property. When field access mode is used, JPA directly reads the state values from the fields of an entity using reflection. Preview Text:  When field access mode is used, JPA directly reads the state values from the fields of...
Categories: Java

Hadoop and the mystery of the version number

Javalobby Syndicated Feed - Tue, 14-Oct-14 23:00
When I’m working with people on Hadoop I ask what you would think is a simple question. What version of Hadoop are you using? The answer normally is one of several attempts to explain what’s installed including – Preview Text:  When I’m working with people on Hadoop I ask what you would think is a simple question. What version of...
Categories: Java

Building HTML5 Form Validation Bubble Replacements

Javalobby Syndicated Feed - Tue, 14-Oct-14 23:00
Written by TJ VanToll Preview Text:  I’ve written and spoken about HTML5 form validation over the last few years, and one of the most common questions I get is about bubbles. By bubbles I mean the UI controls browsers display validation errors in. Legacy Sponsored:  unsponsored ...
Categories: Java

Raygun.io and Ignoring Specific Web API Exception Types

Javalobby Syndicated Feed - Tue, 14-Oct-14 23:00
In the spirit of “here’s something I couldn’t find an easy answer for so I’m writing it myself”, let me very briefly run you through how to have Raygun.io ignore specific exception types raised by Web API. Preview Text:  In the spirit of “here’s something I couldn’t find an easy answer for so I’m writing it myself”, let me...
Categories: Java

AngularJS - Why & How to Create Custom Module

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:31
This article represents key concepts and code samples on why and how to create a custom module with AngularJS. Preview Text:  This article represents key concepts and code samples on why and how to create a custom module with AngularJS. Legacy Sponsored:  unsponsored ...
Categories: Java

Virtual JBUG at JavaOne - Infinispan, Java EE 7, Hibernate, CDI, Ceylon and Arquillian

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
You have heard about the Virtual JBoss User Group before. It is your unique chance to catch up with all kinds of technologies and methodologies presented by well known Redhatters and community members from all around the world. Just a short week ago the vJBUG was live-streaming the Red Hat mini-booth sessions from JavaOne and we made all of them available for your to watch if you...
Categories: Java

Injecting Domain Objects Instead of Infrastructure Components

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
Dependency Injection is a widely used software design pattern in Java (and many other programming languages) that is used to achieve  Preview Text:  Dependency Injection is a widely used software design pattern in Java (and many other programming languages) that is used to achieve Inversion of Control. Legacy ...
Categories: Java

Kafra Benchmark on Chronicle Queue

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
Overview I was recently asked to compare the performance of Kafka with Chronicle Queue.  No two products are exactly alike, and performing a fair comparison is not easy.  We can try to run similar tests and see what results we get. This test is based on Apache Kafka Performance Results Preview Text:  I was recently asked to compare...
Categories: Java

Dependency Management and Organic IT Integrations

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
If the future of IT is about integrated infrastructure, where will this integration take place? Most people will naturally tend to integrate systems and tools that occupy adjacent spaces in common workflows. That is to say that where two systems must interact (typically through some manual intervention), integration will take place. If left unattended, integration will grow up organically...
Categories: Java

SaaS Development Framework Guide

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
Since Software-as-a-Service (SaaS) adopts a multi-tenancy architecture (MTA), and building an MTA SaaS application requires much effort, the SaaS development framework must address major issues of concern, especially security. SaaS applications are often built either from scratch or with the help of existing platforms such as Google App Engine. SaaS development should be simplified and, if...
Categories: Java

Working with Device Information in the Oracle Mobile Application Framework

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
With the proliferation of new device models, form factors and operating systems, you may be thinking about the challenges to make your application work handle all of these different device properties information as there may be features that rely on specific characteristics or capabilities.As an example, how frustrating it would be for the user trying to use a mapping feature if the device...
Categories: Java

MySQL Replication: 'Got fatal error 1236' Causes and Cures

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:30
Originally Written by Muhammad Irfan Preview Text:  MySQL replication is a core process for maintaining multiple copies of data – and replication is a very important aspect in database administration. In order to synchronize data between master and slaves you need to make sure that data transfers smoothly, and to do so you need to act promptly...
Categories: Java

My Favorite Coding Interview Question

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
Every software engineering interview I have ever participated in has involved a coding exercise. For one position, I would expect three two five separate coding tests. I've written previously about why every company asks these questions, and the best way to handle these as a candidate. But what makes a good coding question? Preview Text:  ...
Categories: Java

BPM - Key Aspects of Process Discovery Phase

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
This article represents different aspects of process discovery phase which is key to any business process implementation project. The analogy to process discovery phase in regular software project is “requirements gathering phase”. However, it requires different approach than regular software requirements gathering phase owing to the very complexity of business process. Please feel free to...
Categories: Java

Cordova and Large Asset Downloads - An Abstract

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
Doing something a bit different today. A PhoneGap user contacted me yesterday with an interesting problem. He and I discussed it over a quick Google Hangout, and I thought I'd write up some thoughts about our discussion. Ultimately I want to build a proof of concept around this idea, but I thought I'd start first with an explanation, sans code, to see what people thought. Preview...
Categories: Java

Real World DevOps Stories - A Continuous Discussion

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
DevOps requires new practices and smart players. Panelists at the #C9D9 hangout shared their real world DevOps stories, and want to spark a continuous discussion.  Continuous Discussions  provide an open community forum on topics related to Agile, DevOps and Continuous Delivery. Preview Text:  DevOps requires new practices and smart...
Categories: Java

BIRT Q&A: Andy Stanford-Clark on IoT [Part 2]

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
Developers are likely to be the strongest advocates for sifting out which technologies and standards can provide the best competitive edge when it comes to the Internet of Things (IoT). Preview Text:  Developers are likely to be the strongest advocates for sifting out which technologies and standards can provide the best competitive edge when it...
Categories: Java

Fault-Tolerant Data Replication and Synchronization with Infinispan

Javalobby Syndicated Feed - Tue, 14-Oct-14 22:00
Figure 1. Deployment Preview Text:  Having multiple instances running over different nodes provide fault-tolerance, as when one node terminates, the other nodes have the backup replica of the partitions stored in the terminated node. Legacy Sponsored:  unsponsored ...
Categories: Java

Integration Testing Done Right With Embedded MongoDB

Javalobby Syndicated Feed - Mon, 13-Oct-14 23:00
IntroductionUnit testing requires isolating individual components from their dependencies. Preview Text:  Unit testing requires isolating individual components from their dependencies. Dependencies are replaced with mocks, which simulate certain use cases. Legacy Sponsored:  ...
Categories: Java

Parts But No Car

Javalobby Syndicated Feed - Mon, 13-Oct-14 23:00
One question which pops up again and again when I talk about streamdrill is whether that cannot be done by X, where X is one of Hadoop, Spark, Go, or some other piece of Big Data infrastructure. Of course, the reason why I find it hard to respond to that question is that the engineer in me is tempted to say “in principle, yes” which sort of questions why I put all that work to rebuild...
Categories: Java

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