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Dave Rooney08/27/14
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"How Thin is Thin?" An Example of Effective Story Slicing

Like the graphene example at the beginning of the post, thin stories have remarkable properties far beyond the fact that they are just "thin". The value gained by learning how to split Stories effectively is enormous owing to the flexibility it provides by deferring decisions as long as possible and the removal of the need to estimate at a granular level.

Francesca Krihely08/26/14
0 replies

Setting up Java Applications to Communicate with MongoDB, Kerberos and SSL

Setting up Kerberos authentication and SSL encryption in a MongoDB Java application is not as simple as other languages. In this post, I’m going to show you how to create a Kerberos and SSL enabled Java application that communicates with MongoDB.

Phil Whelan08/26/14
0 replies

Microservices and PaaS (Part 2)

Part I provided a brief background on microservices, with a summary of some lessons learned by microservices pioneers. In this installment I will cover a number of practices related to microservices that were discussed during the meetup.

Alec Noller08/26/14
0 replies

Refcard Expansion Pack: Getting Started with Apache Hadoop

This week, DZone released its latest Refcard: Getting Started with Apache Hadoop. If you're interested in learning more about Hadoop or sharpening your skills, we decided to dig into the DZone archives and find some of the most popular posts we've had on the topic.

Simon Gladman08/26/14
0 replies

Swarm Chemistry for iOS with Swift

Last summer, I created a few Flash based applications recreating Hiroki Sayama's Swarm Chemistry. I thought that as a follow on from my recent experiments with NSOperation and threading for iOS, I'd try the same in Swift.

Don Pinto08/26/14
0 replies

Couchbase Java SDK 2.0.0 Beta 1

On behalf of the whole SDK team I'm happy to announce the first beta release of the Java/JVM SDK release train nicknamed Armstrong. It contains both the JVM core package "core-io" 1.0.0-beta as well as the Java SDK 2.0.0-beta.

Mahboob Hussain08/26/14
9 replies

Thoughts on Hibernate

The way data are laid out in the columns of tables and the way they are used in the application as the class / instance variables there is. However, this mismatch or "impedance" does not come in the way of software development that it requires a framework that abstracts away all the database-related code.

Manik Surtani08/26/14
0 replies

Partitioned Clusters Tell No Lies!

You are happily running a 10-node cluster. You want failover and speed and are using distributed mode with 2 copies of data for each key (numOwners=2). But disaster strikes: a switch in your network crashes and 5 of your nodes can't reach the other 5 anymore !

Mohamed Sanaulla08/26/14
4 replies

Parameterized Test Runner in JUnit

We all have written unit tests where in a single test tests for different possible input-output combinations. Lets look how its done by taking a simple fibonacci series example. The below code computes the fibonacci series for number of elements mentioned.

Dustin Marx08/26/14
0 replies

Java Numeric Formatting

I have used this post to look at how NumberFormat can be used to present numbers in different ways (currency, percentage, integer, fixed number of decimal points, etc.) and often means no or reduced code need be written to massage numbers into these formats.

Ivan Krizsan08/26/14
0 replies

Remote JMX Monitoring of a Mule Instance

In this post I will describe how to enable monitoring of a remote Mule instance using JMX. In addition I will also enable the MX4J web interface that will expose the JMX properties of the Mule instance in a web application and I will install the Jolokia Mule agent.

Dharshan Rangegowda08/26/14
0 replies

Understanding durability & write safety in MongoDB

Durability is the "D" in the "ACID" properties popularized by traditional RDBMS. Durability is the guarantee that written data has been saved and will survive permanently. NoSQL databases like MongoDB give developers fine grained control over the durability of their write calls.

Jonas Gauffin08/26/14
0 replies

How to Create a SqlException

Have you tried to create a SqlException only to discover that the constructor is private? Here is how you can create the exception despite that.

Ayende Rahien08/26/14
0 replies

Introducing Azure DocumentDB

On Friday, Microsoft came up with Azure DocumentDB. You might say that I have a small interest in such things, so I headed over there to see what I can learn about this project.

Saurabh Chhajed08/26/14
4 replies

How to configure Swagger to generate Restful API Doc for your Spring Boot Web Application

The goal of Swagger is to enable client and documentation systems to update at the same pace as the server. The documentation of methods, parameters, and models are tightly integrated into the server code, allowing APIs to always stay in sync.