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Docker RabbitMQ Cluster

Tue, 2014-10-28 07:30
I have been trying to create a Docker based RabbitMQ cluster on and off for sometime and got it working today - fairly basic and flaky but could be a good starting po Preview Text:  I have been trying to create a Docker based RabbitMQ cluster on and off for sometime and got it working today - fairly basic and flaky but could be...
Categories: Java

The Gaussian Function

Tue, 2014-10-28 07:00
A Gaussian function is a function with the following form: Preview Text:  The graph of a Gaussian is a characteristic symmetric "bell curve" shape that quickly falls off. In two dimensions, the power to which e is raised in the Gaussian function is any negative-definite quadratic form. Legacy Sponsored:  ...
Categories: Java

SaaS VS ASP – Understanding the Difference

Tue, 2014-10-28 07:00
While the difference between SaaS VS ASP is quite significant, most people often confuse the two models because they are both “hosted.” However, Application Service Provider (ASP) is much closer to Legacy Software than Software-as-a-Service (SaaS). For many people, it is very difficult to differentiate whether a web-based solution is a SaaS offering or just another ASP-hosted instance of...
Categories: Java

NUnit, Unity Dependency Injection, MOQ and Private Fields

Tue, 2014-10-28 07:00
I had an interesting puzzle to solve this week that I thought I would share with you in case someone else is looking for a similar solution. Preview Text:  There was some code that I needed to test that ultimately called into the database. Since this is a UNIT test and all I was interested in testing was one specific function and the state of one...
Categories: Java

4 Biggest Reasons Why Software Developers Suck at Estimation

Tue, 2014-10-28 07:00
Estimation is difficult.Most people aren’t good at it–even in mundane situations. Preview Text:  Estimation is difficult. Most people aren’t good at it–even in mundane situations. But, why are software development estimations usually off by so much? Legacy Sponsored:  ...
Categories: Java

Getting Hadoop Up and Running on Ubuntu

Mon, 2014-10-27 08:00
Hadoop is a framework written in Java, that allows processing of large datasets in a distributed manner across large clusters of commodity hardware. Preview Text:  In this post my aim is to get Hadoop up and running on a Ubuntu host using Local (Standalone) Mode and on Pseudo-Distributed Mode. Legacy Sponsored:  ...
Categories: Java

AngularJS - How to Create a Custom Filter - Code Example

Mon, 2014-10-27 08:00
This article represents high level concepts and code sample/example for how to create a custom filter. Preview Text:  This article represents high level concepts and code sample/example for how to create a custom filter. Legacy Sponsored:  unsponsored
Categories: Java

McuOnEclipse Releases on SourceForge

Mon, 2014-10-27 08:00
When I started the McuOnEclipse project back in 2012, I did not expect that it would create that much of attention :-). So far I’m sharing the project files on GitHub (see “McuOnEclipse goes Git“). GitHub is excellent for sharing sources, but not a good way to share release (binary) files. Preview Text:  When I started the McuOnEclipse...
Categories: Java

The Cloud Foundry Foundation One Step Closer to Reality

Mon, 2014-10-27 08:00
[This article was written by Brent Smithurst.]Today is another exciting day in the Cloud Foundry community, with the Cloud Foundry Foundation taking a giant step toward becoming official: its draft governing documents and bylaws have been posted for public review.Cloud Foundry already seems to be generally accepted by enterprises as the de facto PaaS standard, and the formation of the...
Categories: Java

Sharding Pitfalls Part III: Chunk Balancing and Collection Limits

Mon, 2014-10-27 08:00
In Parts 1 and 2 we have covered a number of common issues people run into when managing a sharded MongoDB cluster. In this final post of the series we will cover a subtle, but important distinction in terms of balancing a sharded cluster as well as an interesting limitation that can be worked around relatively easily, but is nonetheless surprising when it comes up. Preview Text:  ...
Categories: Java

On Resources Scarcity, Application Servers and Micro-services

Mon, 2014-10-27 07:30
While attending JavaZone recently, I went to a talk by Neal Ford. To be honest, the talk was not something mind-blowing, many tools he showed were either outdated or not best of breed, but he stated a very important fact: application servers are meant to address resources scarcity by sharing resources, while those resources are no more scarce in this day and age. Preview...
Categories: Java

Hibernate Application-Level Repeatable Reads

Mon, 2014-10-27 07:30
IntroductionIn my previous post I described how application-level transactions offer a suitable concurrency control mechanism for long conversations. Preview Text:  A Hibernate persistence context can hold one and only one reference of a given entity. The first level cache guarantees session-level repeatable reads. ...
Categories: Java

Legacy Code to Testable Code #3: Adding Setter Accessors

Mon, 2014-10-27 07:30
This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring steps before writing tests for legacy code, and how they make our life easier.  Preview Text:  This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring steps...
Categories: Java

Percona Toolkit for MySQL with MySQL-SSL Connections

Mon, 2014-10-27 07:30
Originally Written by Matthew Boehm Preview Text:  I recently had a client ask me how to use Percona Toolkit tools with an SSL connection to MySQL (MySQL-SSL). SSL connections aren’t widely used in MySQL due to most installations being within an internal network. Still, there are cases where you could be accessing MySQL over public internet or...
Categories: Java

Challenging the Value of the Public Cloud

Mon, 2014-10-27 07:30
[This article was written by Mat Mathews.] Preview Text:  Though the rapid speed of deployment and reduced capital expenditure has made services such as Amazon EC2 very attractive, the study shows that the rate of cost increase is often higher than that of a self-hosted private cloud solution. Legacy Sponsored:  ...
Categories: Java

Removing Uncited References in a Tex File (with R)

Mon, 2014-10-27 07:30
Last week, with @3wen, we were working a the revised version of our work on smoothing densities of spatial processes (with edge correction). Usually, once you have revised the paper, some references were added, others were dropped. But you need to spend some time to check that all references are actually mentioned in the paper. For instance, consider the following compiled tex file: Preview...
Categories: Java

The Visualization of Things: Real-Time 3D Representations of IoT Connections

Mon, 2014-10-27 07:30
What's interesting about the Internet of Things is not really the Things, of course - they're just a bunch of junk you can buy - so much as the connections between them. As a result, it can be a bit hard to visualize - what, among the things that surround you, is actually connected? Preview Text:  What's interesting about the Internet of...
Categories: Java

3 Simple Guidelines to Rule Development, Design and Traceability

Mon, 2014-10-27 07:00
(Article guest authored together with John Hurlocker, Senior Middleware Consultant at Red Hat in North America)In this tips and tricks article we present some background and guidelines for the design cycle encountered when one is working with rules projects.This article is not the only standard or all encompassing source of how each and every rules and events project will evolve over...
Categories: Java

Are Mobile Apps becoming Fat Clients?

Mon, 2014-10-27 07:00
Are Enterprise Mobile Apps becoming Fat Clients?Improper Application Partitioning was an anti-pattern identified in the client/server days, but it’s repeating itself in today’s mobile world not just for enterprise but even for consumer apps.  And that makes it even worse.  Here’s how to fix it. Preview Text:  Improper Application...
Categories: Java

Authorization for APIs with XACML and OAuth 2.0

Mon, 2014-10-27 07:00
In this blog post, let see how we can implement XACML to authorize the APIs. I wish you are familiar with OAuth 2.0 and lets directly go through the diagram Preview Text:  In this blog post, let see how we can implement XACML to authorize the APIs. I wish you are familiar with OAuth 2.0 and lets directly go through the diagram. So, if we want to...
Categories: Java

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