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Alec Noller08/27/14
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The Best of Dzone: August 20 - 27

If you missed anything on DZone this week, now's your chance to catch up! This week's best include JPA Hibernate alternatives, an explanation of the Hadoop ecosystem, why you shouldn't waste time on code reviews, new features coming in Java 9, a rejection of Google's programming tests, and more.

Mikio Braun08/27/14
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Big Data & Machine Learning Convergence

As these two fields converge, work has to be done to provide the right set of mechanisms and abstractions. Right now I still think there is a considerable gap which we need to close over the next few years.

Mike Cottmeyer08/27/14
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Why Iterative Planning?

Planning and elaboration go hand in hand as items move from unknown problem -unknown solution to known problem-unknown solution to known problem – known solution.

Mark Needham08/27/14
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R: Rook - Hello world example - 'Cannot find a suitable app in file'

I’ve been playing around with the Rook library and struggled a bit getting a basic Hello World application up and running so I thought I should document it.

Venkatesh Kris...08/27/14
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Measuring Business Value in Agile Projects

During backlog creation, user stories need to be compared and contrasted in order to promote maximum value delivery. The product owner might need to use different techniques, such as T-shirt sizing, in order to better prioritize the project’s stories.

Arthur Charpentier08/27/14
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Computational Actuarial Science, with R

A collection of datasets, originally for the book ‘Computational Actuarial Science with R’ edited by Arthur Charpentier (CAS with R). Now, the package contains a large variety of actuarial datasets.

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.

Mahboob Hussain08/26/14
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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.

Dharshan Rangegowda08/26/14
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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.

Saurabh Chhajed08/26/14
3603 views
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.

Saurabh Chhajed08/26/14
3730 views
3 replies

How to Setup Realtime Analytics over Logs with ELK Stack

The ELK stack is ElasticSearch, Logstash and Kibana. These three provide a fully working real-time data analytics tool for getting wonderful information sitting on your data.

Rob Galanakis08/25/14
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The low status of software engineers

Bill had two very different experiences interviewing for two different positions at two different companies: one as a software engineer, and one as a VP-level manager.

Bob Hartman08/25/14
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Scrum Basics: When Should We Schedule Sprint Transitions?

For a one week sprint, it’s possible to do Review, Retrospective, and Planning all on Wednesday morning.

Ian Mitchell08/25/14
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Counting Chickens: Undone Work in Scrum

By definition, any work that has not been completed to the satisfaction of the DoD remains undone. Taking work off a Product Backlog just because it is on a Sprint Backlog is therefore precocious and a mistake.

Curtis Lassam08/23/14
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Cube Drone #2: Nyan

From software developer Curtis Lassam (who writes about comics and code) comes a comic series called Cube Drone. This is Cube Drone #2: Nyan.

Kin Lane08/22/14
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25 replies

Sorry Google, Your Programming Test Is Not A Valid Measurement Of My Skills

I understand that you have to qualify large number of folks, at your very algorithmic-centric company, but when it comes to measuring what I do, a programming test isn’t a thing.

Giuseppe Vettigli08/22/14
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Quick HDF5 with Pandas

HDF5 is a format designed to store large numerical arrays of homogenous type. It cames particularly handy when you need to organize your data models in a hierarchical fashion and you also need a fast way to retrieve the data. Pandas implements a quick and intuitive interface for this format and in this post will shortly introduce how it works.

Abby Fichtner08/22/14
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Why We Need to Teach Kids to Code

Coding (computer programming) is the art of creating anything from computer games and iPhone apps to computational models that help us improve health care. As our kids grow up, this ability to code will become as fundamental as reading and writing to their success, regardless of what occupation they ultimately choose.

Nikita Salnikov...08/22/14
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Classloading and locking

This post is inspired by Pierre-Hugues Charbonneau’s article on how loading non-existing classes can severely hurt your performance. This brought back memories from a debugging session where the same problem surfaced a bit differently.

Chen Harel08/22/14
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Route 53 Benchmark: The New AWS Geolocation's Surprising Results

How to choose between Geolocation and Latency routing? We tested DNS configurations across multiple EC2 regions using AWS Route 53 to find out