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Top 7 Programmers bad habits

1. The All code is crap, except mine, attitude. I have bad news for you buddy, all code is crap. No matter how much effort you put on it, there is always a majority of programmers who are going to think that your code sucks and th ...
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Play 2 – modules, plugins, what’s the difference?

There seems to be some confusion regarding Play 2 modules and plugins. I imagine this is because the two are often synonymous. In Play (both versions – 1 and 2) there are distinct differences. In this post, I’m going to look a ...
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Apache Camel Tutorial – Introduction to EIP, Routes, Components, Testing and other Concepts

Data exchanges between companies increase a lot. The number of applications, which must be integrated increases, too. The interfaces use different technologies, protocols and data formats. Nevertheless, the integration of these ap ...
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Code Forensics

How do you know if using code metrics really does help to produce code with fewer bugs. I am convinced they do, but how can I possibly prove it?All projects have historic data. This is usually stored in you ...
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ServletRequest startAsync() limited usefulness

Some time ago I came across What’s the purpose of AsyncContext.start(…) in Servlet 3.0? question. Quoting the Javadoc of aforementioned method:Causes the container to dispatch a thread, po ...
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Processing JSON in Scala with Jerkson

Introduction The previous tutorial covered basic XML processing in Scala, but as I noted, XML is not the primary choice for data serialization these days. Instead, JSON (JavaScript Object Notation) is more widely used for data int ...
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Spring Integration with reCAPTCHA

Sometimes we just need CAPTCHA, that’s a sad fact. Today we will learn how to integrate with reCAPTCHA. Because the topic itself isn’t particularly interesting and advanced, we will overengineer a bit (?) by using Spr ...
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The Visitor Pattern Re-visited

The visitor pattern is one of the most overrated and yet underestimated patterns in object-oriented design. Overrated, because it is often chosen too quickly (possibly by an architecture astronaut), and then bloats an otherwise ve ...
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Mocks And Stubs – Understanding Test Doubles With Mockito

Introduction A common thing I come across is that teams using a mocking framework assume they are mocking. They are not aware that Mocks are just one of a number of ‘Test Doubles’ which Gerard Meszaros has categorised ...
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Android: Facebook’s Notification Widget

Have you ever checked out the Facebook app? When you click on the Notifications button at the top, the app creates a nice overlaid window that contains a scrolling list view of all your info.It doesn’t dim out the background ...
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