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Spring MVC: Resources


One of the most frequent questions which I receive from my blog readers is how to use css and javascript files in application with Spring MVC. So it’s a good opportunity to write an article about usage of resources in Spring MVC. As usually I will use java based configuration approach. In a nowadays it’s hard to imagine web-application which ...

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What if every object was an array? No more NullPointerExceptions!


To NULL or not to NULL? Programming language designers inevitably have to decide whether they support NULLs or not. And they’ve proven to have a hard time getting this right. NULL is not intuitive in any language, because NULL is an axiom of that language, not a rule that can be derived from lower-level axioms. Take Java for instance, where: ...

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Coach or Consultant? Agile or not? What am I?


I am: a Software Development Consultant who specialises in Agile techniques Or maybe: I am an Agile Consultant who specialise in Software Development. There was a fascinating thread on Twitter this morning started by Marcin Floryan when he asked: “What are your views on a difference between coaching and mentoring?”. Tweets were coming thick and fast from John McFadyen, Rachel ...

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DI / CDI – Basics


Introduction (DI/CDI Basics) First of all, I would assume there is a bit of confusion to this, but the truth of the matter is, they are just the same – the difference is that usage and its purpose. DI (Dependency Injection) is the general term  – this feature is basically the one doing the bean discovery and bean wiring process ...

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Almost named method arguments in JDK 8


Sometimes it would be really nice to have named method parameter in Java, this doesn’t look likely for a long while but there is always another little work around, for example using a builder pattern to get similar behaviour, that will bridge the gap for a little bit. It occurred to me that using the Lambda support in JDK 8 ...

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Android Notification with Sound and Icon Tutorial


My app needed a simple Android notification with sound and icon. So here’s the code I used to make that happen. I know that there are many other types of notification in Android, but this time, I just want to show you a very simple code that can be a solution to your problem too! I will probably create a ...

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Which memory is faster Heap or ByteBuffer or Direct ?


Java is becoming new C/C++ , it is extensively used in developing High Performance System. Good for millions of Java developer like me! In this blog i will share my experiment with different types of memory allocation that can be done in java and what type of benefit you get with that. Memory Allocation In Java What type of support ...

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The Dark Side of Best Practices


Best practices are the backbone of software development (or so we are told). Every developer has his own opinions about software development processes, architecture, and programming. These opinions are based on education, personal experiences, and the experiences of other software developers. These opinions are also known as best practices, and every software company has them. Are best practices a good ...

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Understanding the OutOfMemoryError


Whenever you find yourself staring a stacktrace with OutOfMemoryError in it, it should all be crystal clear. The program has got no more elbow room and is dying just because of lack of it. From the 10,000 feet or executive chair this might already contain too much information. But those of you who have to build or maintain the applications ...

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