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Matthew Dubins11/19/13
7408 views
0 replies

Estimating Age from First Name, Part 1

After reading a post with lists of the trendiest names in US history, the author decided to compile the lists using R. In this post, the author discusses building a dataframe, as well as a function to query the dataframe.

Mark Needham11/19/13
2709 views
0 replies

Neo4j: Modeling Hyper Edges in a Property Graph

At the Graph Database meet up in Antwerp, we discussed how you would model a hyper edge in a property graph like Neo4j, and it occurred to me that I’d done this in my football graph without realizing. In this article, you'll find two versions of a relationship model illustrating the use of hyper edges.

Mitch Pronschinske11/19/13
4003 views
1 replies

The Future of Cloud Application Development

This talk will provide a unique opportunity to hear from the chief technology officer at the leading PaaS and cloud expert who has worked with hundreds of companies that are leveraging cloud application development platforms and adopting next generation technologies.

Brian Gracely11/19/13
5805 views
0 replies

The Cloudcast #118 - OpenStack VMware Interop and Nicira SDN

Aaron talks with Kenneth Hui (@hui_kenneth) and Scott Lowe (@scott_lowe) about their OpenStack Summit session on OpenStack/VMware integration as well as get the latest on Nicira NSX from Scott.

Daniel Mohl11/19/13
4186 views
0 replies

Announcing FogJS for Windows Azure with Node.js

FogJS currently supports 3 of the more popular Azure services: Blob Storage, Table Storage, and Service Bus. The second big feature is related to making it as easy as possible to interact with Azure. This is primarily accomplished with "simplified functions" that follow a convention over configuration approach.

A. Jesse Jiryu Davis11/19/13
3679 views
0 replies

Read-Your-Writes Consistency With PyMongo

A PyMongo user asked me a good question today: if you want read-your-writes consistency, is it better to do acknowledged writes with a connection pool (the default), or to do unacknowledged writes over a single socket?

Alec Noller11/18/13
4143 views
0 replies

Storm, Neo4j and Python: Real-Time Stream Computation on Graphs

For a look at real-time stream computation with Storm, Neo4j, and Python, check out this talk from Sonal Raj at PyCon India 2013. The talk covers a lot of ground, comparing Storm with Hadoop, explaining the use of Neo4j, working with Python, and more.

Nikita Salnikov...11/18/13
5954 views
2 replies

What garbage collector are you using?

We conducted a study on how often a particular GC algorithm is being used. The results are somewhat surprising. 13% of the environments had explicitly specified a GC algorithm. The rest left the decision to the JVM. So out of the 11,062 sessions with explicit GC algorithm, we were able to distinguish six different GC algorithms:

Vlad Mihalcea11/18/13
8936 views
0 replies

Optimistic locking auto retry with JPA

This article shows how you can implement an automatic retry mechanism for optimistic locking JPA batch processors.

Hubert Klein Ikkink11/18/13
6566 views
0 replies

Grails Goodness: Namespace Support for Controllers

In a Grails application we can organize our controllers into packages, but if we use the same name for multiple controllers, placed in different packages, then Grails cannot resolve the correct controller name.

Pierre - Hugues...11/18/13
5992 views
1 replies

Java VM – Beware of the YoungGen space

As you may have seen from our previous performance oriented articles, a healthy JVM is one of the most important goals to achieve for optimal application performance and stability.

Mike Cottmeyer11/18/13
4739 views
0 replies

Barriers to Agile Adoption

Though the status quo is killing their organization, some barriers to further Agile adoption happen way too often among organizations that need it most. I was asked to actually list some common barriers others have dealt with.

Bozhidar Bozhanov11/18/13
6372 views
3 replies

Save-and-Refresh With Java Web Projects

How do you configure your machine in order to have save-and-refresh for Java web projects?

Juhani Lehtimaki11/18/13
2405 views
0 replies

Going responsive with Google Play - a presentation by the Google Play team

Kirill Grouchnikov often talks about the design and development of Google Play Android app and lets us see behind the curtain of the most used Android app and how to make it work on all devices.

Hubert Klein Ikkink11/18/13
4527 views
0 replies

Grails Goodness: Customize Resource Mappings

Since Grails 2.3 it is very easy to define RESTful URL mappings for a controller. We can use the resources and resource attribute and use a controller name as the value. Grails will then automatically create a couple of URL mappings.