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Tower Defense in JavaFX (2)


In the last part we’ve created a simple editor that let’s us place turrets. Now we’ll add a spawnpoint where the enemies originate, and define an attack target for them. First I’ll add some more information to the map via an Object Layer. That’s standar TMX, so we can do it in the TileMap Editor:           ...

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Hawtio & Apache JClouds


Introduction I’ve spent some time lately working on an Apache Jclouds plugin for Hawtio. While there is still a lot of pending work, I couldn’t hold my excitement and wanted to share… What is this Hawtio anyway? Whenever a cool open source project is brought to my attention, I usually subscribe to the mailing lists so that I can get a better ...

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Signing Git tags


One of Git’s interesting features is definitely the ability to sign tags. Using your GPG key-pair you can create a signed tag. Anyone with your public key can verify that you are the true creator of that tag. Why you should sign your tags As Git is a distributed version control system (DVCS) you need a to verify the source ...

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The Lazy Expert


Until two years ago I was reading tech articles every day, I was regularly watching presentations, I was contributing significantly to stackoverflow. Then I gradually reduced my “efforts” of this sort. Followed a couple of tech aggregators (HN, reddit, DZone) on twitter, and that has been the only source of blogposts and articles ever since. I almost stopped answering stackoverflow ...

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1000 Responses to Java Is Not Dying


When 1000 comments are posted on an editorial, it’s worth considering what is being said. My editorial last week, ” If Java is Dying, It Sure Looks Awfully Healthy”  hit a nerve in various developer communities. Between Reddit, Hacker News, and Slashdot, it received more than 1,000 comments. Curiously, very few commenters disputed my central argument; namely, that the common ...

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JavaFX 2: How to Load Image


This is JavaFX tutorial about how to load a image in your JavaFX 2 application. This can be done easily with ImageView. The ImageView is a Node used for painting images loaded with Image class. So as you can se we will first load image with Image class and then display it with ImageView. Also I will here demonstrate how ...

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Cloud IDE for J2EE development


With so many of the traditional software tools going to the cloud I want to see how they compare to traditional tools. My interest is J2EE technology and started to look for a cloud service that allowed me to develop, test and deploy a J2EE application. As I soon found out many of the cloud IDEs are designed for web ...

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Too Many Parameters in Java Methods, Part 4: Overloading


One of the problems with expecting too many parameters to be passed to a Java method is that it is more difficult for the client of that method to be determine that they are passing the appropriate values in the appropriate order. In previous posts, I have described how custom types, parameters objects, and builders can be used to address ...

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Boost your development speed


I’m really pragmatic on this. To go faster, you need to avoid the things that slow you down. These blockers may vary from developer to developer, but some are pretty common. In this post i will elaborate on the more common ones. Before i do so i want to remind you that to improve, we might need to unlearn in ...

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