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Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer.We are offering a massive 94% off on Whizlabs Online Certifications: Lifetime Membership. Get it now with only $239,99 instead of the original price of $4499. When you’re on the hunt for a new job, or even a raise or promotion in your current job, it ...

Hey fellow Geeks,following our Community’s feedback and staying on trend with the industry developments, we are super excited to announce the launch of our brand new Youtube channel! On our channel, we will be hosting video courses related to Java programming, but software development in general as well. We will be featuring code walk-through as well as full-blown tutorials. In ...

Do you want to know what is the best investment you can make with your time and money? Knowledge As a software developer you should be constantly acquiring new skills. This is the best way to advance your career and enjoy the rewards (monetary, emotional etc.). Towards that direction you should be reading books, devouring technical articles and staying informed ...

In our previous article from this series we introduced a use case around real-time stock control for retail stores. The process was laid out how we’ve approached the use case and how portfolio solutions are the base for researching a generic architectural blueprint.  The only thing left to cover was the order in which you’ll be led through the blueprint details. This article ...

The first word that comes into our mind when you say software development is ‘Java’. It has had such an impact on the modern tech world that practically revolves around it. It is undeniable that cross browser testing is used to strengthen the overall user experience of the application. For a Java developer, it is undoubtedly important to focus on ...

Introduction JUnit 5 has a lot of underutilized features. Developers have learned how to use JUnit 4, and they utilize the same feature set when using JUnit5. The sexy DisplayName annotation is used more and more, but the majority of the new features developers skip. In this article, I describe a particular situation I was facing and how I solved ...

Syslog. You’ve probably heard about that, especially if you are into monitoring or security. Syslog is perceived to be the common, unified way that systems can send logs to other systems. Linux supports syslog, many network and security appliances support syslog as a way to share their logs. On the other side, a syslog server is receiving all syslog messages. ...

This article launches a new series exploring a retail architecture blueprint. It’s focusing on presenting access to ways of mapping successful implementations for specific use cases. It’s an interesting challenge creating architectural content based on common customer adoption patterns. That’s very different from most of the traditional marketing activities usually associated with generating content for the sole purpose of positioning ...

 Json Patch and Json Merge Patch both do one job well – a way to represent a change to a source json structure.   Json Patch does it as a series of operations which transforms a source document and Json Merge Patch represents the change as a lite version of the source document. It is easier to show these as an ...

Are you working for an enterprise that utilizes outdated software? Old software, or legacy systems, pose threats to businesses looking to streamline processes, cut costs, and stay innovative. While users resist change and implementing new software is neither easy nor always feasible, opting for digital renovation can bridge legacy systems to modern demands. Legacy Systems Cost Your Business Too Much ...

Problem Default value of retention.ms attribute on kafka topis is set to 7 days but data still persist for pre 7 days in topic. Version of kafka : 2.1.11 An interesting problem was that even after data being older then 7 days and retention.ms attributes not being overridden ( kept at 7 days ) still we were able to see ...