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Core Java
Most efficient way to increment a Map value in Java – Only search the key once
This question may be considered too basic, but is frequently asked in the forums. In this post, I will discuss…
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Enterprise Java
Simple CRUD using Servlet 3.0, Redis/Jedis and CDI – Part 1
In this post we will build a simple user crud. The data will be stored in Redis. To interact with…
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Enterprise Java
Adding Social Sign In to a Spring MVC Web Application: Registration and Login
The first part of this tutorial described how we can configure Spring Social 1.1.0 and Spring Security 3.2.0 but it…
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Core Java
How to read CSV files in Java – A case study of Iterator and Decorator
In this post, I will talk about how to read CSV (Comma-separated values) files using Apache Common CSV. From this…
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Groovy
Grails: Applying build information to your builds
Occasionally, when I buy some food I check the label to see how unhealthy it is in an effort to…
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Core Java
Introduction to Java lambdas
The main theme of Java 8 is lambdas. I have noticed that for many Java programmers lambdas are pretty tough…
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Enterprise Java
Configure Your OSGi Services with Apache Felix File Install
A recent post about Managed Services reminded me of a feature in Apache Felix File Install that I found worth…
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Enterprise Java
Running out of memory without the OutOfMemoryError
This is actually a reincarnation of a post originally posted in ~2010. The flashback occurred when listening to our engineers…
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DevOps
Making Devops work outside of Webops
I’ve spent the last 3 years or so learning more about devops. I went to Velocity and Devopsdays and a…
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