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Alec Noller11/20/13
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NoSQL Databases: How to Compare for Performance and Reliability

This talk from Ben Engber at Surge 2013 discusses how to compare NoSQL databases for true performance and reliability. Databases featured in his comparisons include Cassandra, Couchbase, FoundationDB, MongoDB, and others, and Engber tackles more general issues as well.

Ian Mitchell11/19/13
6562 views
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Agile Transitioning and Transparency

The first step in any agile transformation is transparency. A Kanban board, which exposes work and its actioning in response to certain signals, is a good tool for encouraging this practice. In this post we look at how transparency is attained and at the controversy that is often involved.

Lukas Eder11/19/13
6071 views
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Faster SQL Pagination with Keysets, Continued

A while ago, I blogged about how to perform keyset pagination (some also call this the “seek method”). Keyset pagination is a very powerful technique to perform constant-time pagination also on very large result sets, where “classic” OFFSET pagination will inevitably get slow on large page numbers.

Peter Zaitsev11/19/13
3748 views
0 replies

MySQL Encryption Performance Revisited

I wanted to compare performance differences between MySQL’s built-in SSL encryption facilities and external encryption technologies, such as SSH tunneling. I’ll also be using this post to address a couple of questions posed in the comments on my original article. So, without further ado….

John Sonmez11/19/13
7232 views
0 replies

How to Become a More Valuable Software Developer

To reach the ultimate level of success and truly increase your value, you have to have both style—the ability market yourself and make a name for yourself, and substance –the skills that pay the bills.

Tom Howlett11/19/13
7414 views
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Remote Practices

Our practices revolve around keeping the team engaged. My goal is to give everyone enough space to think and opportunities to collaborate. The practices are similar to what you might see on an Agile team, the difference with remote work is they need to be more deliberate.

Alec Noller11/19/13
16980 views
0 replies

Android vs. iOS: The Development Process Compared

This recent article makes a detailed comparison of Android and iOS development and asks a question: Which one should you pursue first? The author compares IDEs, configuration, UX design, languages, APIs, internet connectivity, social media sharing, fragmentation, and the publication process.

Michal Bachman11/19/13
4047 views
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Modeling Data in Neo4j: Qualifying Relationships

Let's say we want to model movie ratings in Neo4j. People have an option to rate a movie with 1 to 5 stars. One way of modelling this - perhaps the first one that springs into mind - is creating a RATED relationship with a rating property that takes on 5 different values. There are more ways than that, though.

Matthew Dubins11/19/13
7343 views
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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
2628 views
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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
3906 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.

A. Jesse Jiryu Davis11/19/13
3614 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
4041 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
5865 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
8722 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.