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Ayende Rahien01/27/14
0 replies

Big Data Search, Part 5: Sorting Optimizations

The author mentioned several times that the entire point of his previous exercise was to just see how it works, not to actually do anything production-worthy. But it is interesting to see what could be done better here.

Alec Noller01/26/14
0 replies

The Best of the Week (Jan 17): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone! This week's best include a beginner's guide to MongoDB performance turbocharging, working with Node.js and N1QL, a look at an extremely configurable diff tool, and more.

Mark Needham01/24/14
0 replies

Neo4j Backup: Store Copy and Consistency Check

One of the lesser-known things about the Neo4j online backup tool is that conceptually there are two parts to it: Copying the store files to a location of your choice, and verifying that those store files are consistent. Both of these run when you run the ‘neo4j-backup’ script, but it can be useful to run them separately.

Ayende Rahien01/24/14
0 replies

Big Data Search, Part 4: The Index Format is Horrible

The author has finished his own Big Data Search exercise, and it's interesting to see just how far out there the code is. It isn't something that you can use for much except as a basis to see how badly you are doing. Let's start with the index format: A CSV file with the value and the position in the original file.

Alec Noller01/24/14
0 replies

Julia: A High-Performance Programming Language for Data Science and More

Data scientists working with R and Python, as well as anybody looking for interesting, new-ish, high-performance programming languages should look into the not-as-much-discussed Julia. This recent blog posts discusses the merits and uses of Julia.

Evert Pot01/23/14
1 replies

Google Code is Dead

Last year Google announced they would no longer provide a 'downloads' feature on google code hosting for new projects. Starting January 15th 2014, creating new downloads would also no longer be possible for existing projects.

Jalpesh Vadgama01/23/14
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Why Continuous Integration is Your Friend

In this post we are going to learn the benefits of Continuous Integration in Software Development. Let’s understand what continuous integration is first and then we will discuss the benefits we are having.

Hardik Pandya01/23/14
0 replies

How to Set Up a Multi-Node Hadoop Cluster on Amazon EC2, Part 1

After spending some time playing around on a Single-Node pseudo-distributed cluster, it's time to get into real world Hadoop. It's important to note that there are multiple ways to achieve this, and the author is going to cover how to set up a multi-node Hadoop cluster on Amazon EC2.

Mark Needham01/23/14
0 replies

Neo4j Backup: Dealing with java.lang.ClassCastException

When using Neo4j’s online backup facility there are two ways of triggering java.lang.ClassCastException, either by using the ‘single://‘ or ‘ha://‘ syntax, and these behave slightly differently. In this article, you'll learn how to handle these exceptions.

John Esposito01/22/14
0 replies

Survey: Which Refcardz would you like us to update?

Quite a few of our Refcardz are out of date. We're thinking of updating a bunch of them, and would love to see which you would like to see updated first.

Alec Noller01/22/14
1 replies

Dev of the Week: James Sugrue

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to James Sugrue, principal front-end architect at Avego and DZone zone leader.

Lukasz Szyrmer01/22/14
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Modularity = Faster Time To Market

One of the key reasons scrum and agile have become increasingly popular is that Agile enables you to get to market faster. Faster time to market changes the game.

Mike Cottmeyer01/22/14
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Fundamentals of Agile Transformation

I believe that many of us are solving a problem we think our customers have. We might even be trying to solve a problem our customers really do have. The challenge is that our customers don’t always see it that way.

George Dinwiddie01/22/14
0 replies

Long-Range Planning with User Stories

I frequently hear or read people suggesting using User Stories for relatively long-range planning. Sometimes they mean something as short as a release in a few months. Sometimes they’re talking about multiple releases over a year or two. What are the implications for doing this?

Mike Bushong01/22/14
0 replies

Sources and Sinks: Which are you?

We all know people who are energizing to talk to. Whatever the topic, they are full of energy. They make ideas better. Moods improve when they are around. And there are people who fall into the opposite camp.