Kicking the Tires of Docker Scout

I never moved away from Docker Desktop. For some time, after you use it to build an image, it prints a message: What’s Next? View a summary of image vulnerabilities and recommendations → docker scout quickview I decided to give it a try. I’ll use the root commit of my OpenTelemetry tracing demo. Let’s execute the proposed command: docker scout …

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Sorting Text in Java, How Complicated Can It Be?

Sorting text should be easy as String implements the Comparable interface. In this article, we’ll see that it can be more complicated than that. Text is represented by the String class in Java. In this article we’ll explore how to sort String, the advantages and drawbacks of each possibility. Level 1: Comparable The class String implements Comparable so sorting a …

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OpenRewrite: Migrate to Spring Boot 3.2

As a developer, we frequently face the challenges of migrating to newer versions of frameworks and refactoring code. However, we can effortlessly achieve these tasks with the assistance of OpenRewrite. OpenRewrite provides a stack of recipes specifically designed for migration purposes. By utilizing the appropriate recipes and integrating with the rewrite plugin, we can effectively migrate our code. Two months …

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Foojay Podcast 42: Jozi-JUG and Cape Town Java Community

Once a month in this podcast, we talk about the history of a Java User Group and the people behind it. Today, we are traveling to Cape Town and Johannesburg to learn more about its Java communities. Video Podcast (audio only) Java User Groups Jozi-JUG https://www.meetup.com/Jozi-JUG/ https://www.youtube.com/@JoziJUG https://twitter.com/jozijug Cape Town Java Community https://www.meetup.com/Cape-Town-Java-Meetup/ https://www.youtube.com/@capetownjug https://twitter.com/capetownjug Guests Corneil du Plessis https://www.linkedin.com/in/corneil/ …

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Hello eBPF: Recording data in event buffers (3)

Welcome back to my article series on eBPF. Last week, I showed you how the eBPF program and Java application can communicate using eBPF maps. This allowed us to write an application that counts the number of execve calls per user. This week, I’ll show you briefly how to use another kind of eBPF maps, the perf event buffer, and …

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Achieving High Throughput Without Sacrificing Latency

Latency and Throughput In discussions on performance, it is common to encounter the terms Latency and Throughput to describe the characteristics of a software component. We can define these terms as follows: Latency is a measure of the time taken for one thing to occur. For example, it could be the time taken to respond to a change in the …

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JavaFX Links of January 2024

This is the first JavaFX LinksOfTheMonth review for 2024, an overview of the LinksOfTheWeek that got published on jfx-central.com during January. Core JavaFX 21.0.2 (January 2024) is available on the Gluon website. Applications Robert Ladstätter added ZIP file support to LogoRRR: “No more unzipping before analysing your latest bugs from ops!” A Christmas present by Carl Dea: “I wanted to …

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Video: Spring Boot Docker Compose Support

In Spring Boot 3.1, Docker Compose support was added to simplify local development with external resources. In this video, I show you how this works and how to use it! The post Video: Spring Boot Docker Compose Support appeared first on foojay.

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Building gdocweb with Java 21, Spring Boot 3.x and Beyond

Table of Contents Introducing gdocweb Java 21 and Spring Boot 3.x: Innovation and Maturity GraalVM Native Image for Efficiency Implementing GraalVM Facing the Production Challenges The Decision to Move On Deployment: VPS and Docker Compose Avoiding Raw VPS Deployment Steering Clear of Managed Containers & Orchestration The Choice of Docker Compose Front-End: Thymeleaf Over Modern Alternatives React: Modern but Not …

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Friends of OpenJDK Hangout at FOSDEM 2024

FOSDEM is here again, this coming weekend. Many will remember the great hangout friends of OpenJDK had at Bier Centraal in Brussels last year. Well, that was a great experience and all those connected in any way to OpenJDK, whether speaking or not at FOSDEM, are extremely welcome to spend time with the friends of OpenJDK community on Saturday evening …

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