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7 JVM arguments of Highly Effective Applications

At the time (March 2020) of writing this article there are 600+ arguments that you can pass to JVM just around Garbage collection and memory. If you include other aspects, total JVM arguments count will easily cross 1000+. 😊. It’s way too many arguments for anyone to digest and comprehend. In this article, we are highlighting seven important JVM arguments ...

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Why Selenium Automation Testing In Production Is Pivotal For Your Next Release?

Do you think that just because your web application passed in your staging environment with flying colors, it’s going to be the same for your Production environment too? You might want to rethink that! Especially, if we refer to cross browser testing, where you need to ensure that your web-application is rendered seamlessly across a variety of different browsers, browser ...

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πŸ’» Introducing our brand new Youtube channel for Programming Video Courses

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 ...

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Deploy Quarkus application to AWS Elastic Beanstalk

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Elastic Beanstalk allows deploying and managing applications in the AWS Cloud without having to learn about the infrastructure that runs those applications. With Elastic Beanstalk you can run a website, web application, or web API that serves HTTP requests but you can also run a worker applications for running long tasks. The Elastic Beanstalk supports several preconfigured platforms including Go, ...

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Hands on Optional value

Optional is in air due to coronavirus, everything is becoming optional like optional public gathering , optional work from home, optional travel etc. I though it is good time to talk about real “Optional” in software engineering that deals with NULL reference. Tony Hoare confessed that he made billion dollar mistake by inventing Null. If you have not seen his ...

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JavaFX Tip 32: Need Icons? Use Ikonli!

Motivation I have been coding JavaFX applications and libraries since 2013 and one thing they all had in common was that I needed to find good icons / graphics that I could use for them. As a former Swing developer I started by using image files, GIFs or PNGs. Normally I would license a library like the β€œO-Collection” from IconExperience ...

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An AWS Elasticsearch Post-Mortem

java-interview-questions-answers

So it happened that we had a production issue on the SaaS version of LogSentinel – our Elasticsearch stopped indexing new data. There was no data loss, as elasticsearch is just a secondary storage, but it caused some issues for our customers (they could not see the real-time data on their dashboards). Below is a post-mortem analysis – what happened, ...

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Kogito, ergo Rules: From Knowledge To Service, Effortless

Welcome to another episode of this blog series on the Kogito initiative and our efforts to bring Drools to the cloud. The goal of these posts is to gather early user feedback on the features we are delivering to Kogito. In this post we present two new ways to realize a complete intelligent service: self-contained rule servicesintegrated intelligent workflows with ...

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Difference between save vs persist and saveOrUpdate in Hibernate

Save vs. saveOrUpdate vs. persist in Hibernate What is the difference between save and saveOrUpdate or Difference between save and persist are common interview question in any Hibernate interview, much like the difference between get and load method in Hibernate. Hibernate Session class provides a couple of ways to save an object into the database by methods like save, saveOrUpdate, ...

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