Docker Tutorial Part 2 – The good the bad and the IP

In this second part of docker tutorial, I’ll explain basics of networking in docker with stand-alone containers. Remember from the…

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Docker Tutorial part 1 – fistfull of container

In this docker tutorial series, my aim is to explain basics of docker and to do that with min number…

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Best IntelliJ IDEA Plug-ins

I’ve been using Intellij Idea as IDE for some time and wanted to share my favorite plug-ins as I think…

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How to publish jar to Maven central

You created your brand new project and you want to release it to maven central so people can use in…

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Java puzzlers from OCA part 7

In this part of the Java Puzzlers from OCA series, I will show multiple ways of defining Strings and potential…

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Java puzzlers from OCA part 6

Even for new Java developers, constructors are probably no big mystery. In essence, when you create an instance of a…

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Java puzzlers from OCA part 5

In the fifth part of the Java Puzzlers series, we will see something related to X.parseX(String s) methods. You can…

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Java puzzlers from OCA part 4

In the fourth part of Java Puzzlers, we have something related to char type. 1 2 3 4 5 6…

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Java puzzlers from OCA part 3

In this third part of Java puzzlers, we will see a surprise in variable naming restrictions. If I show you…

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