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How to Diagnose and Mitigate Pinning in Java’s Virtual Thread Execution

In our last article, we highlighted the impressive performance gains achieved through the use of virtual threads. However, upon diving deeper into the code, we discovered an issue caused by the jsoup library: a phenomenon known as pinning. But before we delve into solutions, let’s take a moment to understand what pinning actually is. What is Pinning? In the context …

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Debugging Tips and Tricks: A Comprehensive Guide

Rubber Ducking: The Art of Talking it Out Moving the Goalposts: Redefining the Bug The Evolution of a Bug The Process of Redefinition Flipping the Direction: Multiple Angles of Attack The Linear Approach to Debugging Disruptive Environments: Exposing Hidden Bugs Leveraging Debugging Extensions and Tools Disconnect and Reconnect: The Power of a Fresh Mindset Embrace the Challenge: Finding Joy in …

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Java 21 and the Upcoming Jakarta EE 11: A New Era of Cloud Native Java

With Java 21 released and Jakarta EE 11 slated for release in Q1 of 2024, the landscape for Java development is evolving rapidly, particularly in the cloud-native space. Although these two are not being developed together, they are intrinsically linked: Jakarta EE 11 will have Java 21 as its base Java SE version. This blog post will explore what these …

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How to Participate in the Foojay Community Certification Project

The recent announcement of Foojay’s intention to create a community-driven certification exam for Java software development has spurred a lot of interest. This article explains how any member of the Java community can participate in the creation of tasks for the certification. In the previous article about the Foojay Developer Certification, we introduced the need for an objective way to …

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Call to all Developers who love frontend technologies

Join the Frontmania Conference on Oct 12th at Jaarbeurs Utrecht, the ultimate tech gathering for frontend enthusiasts. Frontmania Conference is known for its: Must-See Sessions: Immerse yourself in the forefront of frontend technology with top-tier speakers Networking Moments: Connect with industry thought leaders, fellow frontend enthusiasts, and professionals. ️ Hands-on Workshops: Elevate and acquire practical skills through immersive workshops and live …

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Spring Boot and React in Harmony

Develop clean and maintainable business apps on top of Spring Boot and React, and do it faster using the Hilla framework. For many full-stack developers, the combination of Spring Boot and React has become a staple in building dynamic business applications. Yet, while powerful, this pairing has its set of challenges. From type-related errors to collaboration hurdles, developers often find …

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Contributing to Open Source: Hacktoberfest

Quite frequently when it comes to contributing to open source I hear questions/doubts such as: where do I start how do I find projects/issues can I help out as a newbie are there other ways I can contribute besides coding Which is why I’d love to share a little bit about Hacktoberfest, which is an event organized by DigitalOcean that …

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JVector 1.0

JVector is a pure Java embedded vector search engine that powers DataStax Astra and is being added to Apache Cassandra. Vector search is a critical part of today’s generative AI applications, allowing developers to quickly retrieve the most relevant context to give the large language model enough information to answer accurately and without hallucinating, but innovation in this space has …

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Report of My Trip to JavaZone and Northern Germany

Between 2nd and 17th September, I gave three talks in three different cities: JavaZone Oslo, 7th September: Unleash the Power Of Open-Source Profilers (InfoQ article) Java Forum Nord Hannover, 12th September: Unleash the power of Open-Source Java Profilers code.talks Hamburg, 14th September: Writing a Java Profiler in Pure Java (blog post) I traveled from Karlsruhe to Oslo (via Stuttgart Airport) and from …

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