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DevOps
Using MapR, Mesos, Marathon, Docker, and Apache Spark to Deploy and Run Your First Jobs and Containers
This blog post describes steps for deploying Mesos, Marathon, Docker, and Spark on a MapR cluster, and running various jobs…
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Enterprise Java
5 Common Hibernate Exceptions and How to Fix Them
See how you can easily solve the most common issues with Hibernate Hibernate is probably the most popular JPA implementation…
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Agile
Servants, not leaders, not managers
Sharp eyed readers of my management mini-series will have noticed I referred to managers doing administration several times, Peter Hilton…
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Enterprise Java
Insert Items to DynamoDB Tables using Java
On a previous article we learned how to create DynamoDB Tables using Java. Next step is to insert items to the…
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Agile
Product Owners and Learning, Part 4
Part 1 was about how the PO needs to see the big picture and develop the ranked backlog. Part 2 was…
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Agile
Scaling the Product Owner Role
Summary In theory, the product owner is one person. But in practice, managing a larger, complex product is usually a…
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Agile
You’re doing it wrong: Iteration planning, part 2
In this series, we’re taking a look at how we do things, and why. More importantly, why we are supposed…
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Core Java
Java 9 Additions To Optional
Wow, people were really interested in Java 9’s additions to the Stream API. Want some more? Let’s look at ……
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Enterprise Java
JGroups: Leader election without additional infrastructure
Hi there, in this post I’ll show how you can solve the problem of leader election without using any additional infrastructure…
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