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Macro lifecycle in Clojure

If you still struggle to understand what are macros in Clojure and why are they so useful, I will guide you through another example today. We will learn when macros are recognized, ...
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Micro jitter, busy waiting and binding CPUs

Performance profiling a new machine When I work on a new machine, I like to get an understanding of it’s limitations.  In this post I am looking at the jitter on the machine ...
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Java EE EJB Interceptors tutorial and example

In this example we are going to see how to use Interceptors in an EJB and test it using a simple Web Application. 1. Introduction Interceptors are used, as the name suggests, when you ...
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LINQ and Java

LINQ has been quite a successful, but also controversial addition to the .NET ecosystem. Many people are looking for a comparable solution in the Java world. To better understand what ...
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Apache Server and JMeter debugging

I had been using JMeter to generate load for my production server to test my application. The test-plan has 13+ HTTP sampler to make different request and one Regular Expression extractor ...
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Unit Testing of Spring MVC Controllers: Configuration

Writing unit tests for Spring MVC controllers has traditionally been both simple and problematic. Although it is pretty simple to write unit tests which invoke controller methods, the ...
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Three backlogs?

Now I know some people dislike backlogs – queues, wait states, work we want done – and I buy the argument. But the Scrum Sprint (Iteration) and Product Backlog model actually ...
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Auditing a Spring MVC Webapp with AspectJ. Part 1

If you’re like me, then you’ll have those kinds of programming days where everything seems to go incredibly well. You write the code and the tests and it just works. And then and ...
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How to use mocks in controller tests

Even since I started to write tests for my Grails application I couldn’t find many articles on using mocks. Everyone is talking about tests and TDD but if you search for it there ...
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Source control your database with Liquibase

I recently started to use Liquibase on a project to keep track of the database changes in our Java Enterprise application. I must say that I like the way it works. It makes the deployment ...
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