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JUnit 5 – Conditions


We recently learned about JUnit’s new extension model and how it allows us to inject customized behavior into the test engine. I left you with the promise to look at conditions. Let’s do that now! Conditions allow us to define flexible criteria when tests should or shouldn’t be executed. Their official name is Conditional Test Execution. Overview Other posts in ...

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Docker container using Apache Mesos and Marathon


Apache Mesos is an open source cluster manager developed at UC Berkeley. It provides resource isolation and sharing across distributed applications. The figure shows the main components of Mesos. Mesos consists of a master daemon that manages slave daemons running on each cluster node. Mesos frameworks are applications that run on Mesos and run tasks on these slaves. Slaves are either physical or virtual machines, ...

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Cyber Security Hacker & Pen Tester Certification Training


Become a Cyber Security Pro with 12 Courses & 117 Lectures Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering The Cyber Security Hacker & Pen Tester Certification Training for only $39 instead of the original price of $799, yeap that is a massive 91% off. You get Instant digital download ...

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Got Fired? A list of Do’s and Don’ts


Being terminated from a job unexpectedly can launch a flurry of emotions that may cause the newly unemployed to act irrationally or erratically as they begin their search for the next job. Within hours a fired individual might experience combinations of shame, anger, rage, regret, and loss. This is natural. In this situation, a clearly defined plan will be instrumental ...

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Kotlin for Java Developers: 10 Features You Will Love About Kotlin


Kotlin is a statically typed JVM language built by Jetbrains, the makers of the IntelliJ IDE. Kotlin is built upon Java and provides useful features such as null-safety, data classes, extensions, functional concepts, smart casts, operator overloading and more. This crash course into Kotlin for Java developers demonstrates the most important advantages that Kotlin has over Java and compares some of the ...

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How to derive business value from performance monitoring?


Performance monitoring has historically been a domain that product & business owners have not felt attached to. Terms such as latency, throughput or resource utilization exposed by the monitoring solutions can be confusing or outright frightening. This leads to a situation where the performance aspects have a hard time competing with other tasks in backlog. When the next awesome feature ...

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Architects Don’t Decide


As pointed out in the article A Little Architecture from Robert C. Martin the job of the architect is not …to lead a team and make all the important decisions about databases and frameworks and web-servers and all that stuff. It is to make decisions that a Software Architect makes are the ones that allow you to NOT make the ...

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NetBeans SQL Profiler – Take it for a Spin!


The upcoming release of NetBeans, currently in active development and testing, boasts plenty of new features.  A few of them include EMCAScript 6 Support, Docker Support, JavaShell Support, and SQL Profiling.  In the latest nightly builds, the SQL Profiler is now available for use, so I took it for a test spin.  In this post, I’ll run through just a ...

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