In today’s fast-paced digital world, web crawling is a cornerstone technology behind search engines, data analysis tools, and various other applications. Java, a language known for its robustness and scalability, offers intriguing ways to implement web crawling. Yet, the thread model you choose can make a world of difference. This article unfolds a compelling narrative around web crawling in Java, …

At the JavaForumNord two weeks ago, I had a friendly chat with Karl Heinz Marbaise (Chairman of the Apache Maven Project), where he mentioned that he wanted to start profiling Maven. This sounded interesting, so I started looking into the performance and bottlenecks of Maven. I began by using the Maven build of maven itself as a starting point (excluding …

Het is tijd voor een mijlpaal! In 2023 vieren we het 20-jarig jubileum van NLJUG en J-Fall, de grootste Java-conferentie van Nederland. Het programma voor J-Fall 2023 is nu bekend, en we zijn verheugd om aan te kondigen dat de registratie officieel is geopend. Op 9 november biedt J-Fall wederom een uitgebreid programma over alle onderwerpen die cruciaal zijn voor …

LET OP ! Vandaag om exact 12:00 uur gaat de ticketing Jfall 2023 open.   Zie www.jfall.nl Vorig jaar was de Jfall binnen een halve dag volledig uitverkocht. Maar liefst 1800 tickets ! Zal het dit jaar weer zo snel gaan? Jfall 2023 staat in het teken van haar 20 jarige jubileum. En dat gaan we vieren 9 november as ! …

The Importance of Issue Tracking Avoiding Parallel Work on the Same Bug The Value of Issue Over Pull Requests Communication: Issue Tracker vs. Ephemeral Channels Why We Sometimes Avoid the Issue Tracker The Role of Daily Meetings The Role of Testing in Debugging Starting with Unit Tests Unit Tests vs. Integration Tests Final Word Debugging is an integral part of …

Understanding memory management in Java, and particularly the role of object allocation is essential when optimising system performance. In Java, memory management is an automatic process that is managed by the Java Virtual Machine (JVM), and one that does not need explicit intervention. Java, being a block-structured language, uses a model where its memory is divided into two main types: …

My demo, Evolving your APIs, features a custom Apache APISIX plugin. I believe that the process of creating a custom plugin is relatively well-documented. However, I wanted to check the parameters of the _M.access(conf, ctx) function, especially the ctx one. The documentation states: The ctx parameter caches data information related to the request. You can use core.log.warn(core.json.encode(ctx, true)) to output …

In today’s world, it has never been easier to get your hands on a piece of software for evaluation purposes. Having worked for multiple enterprise companies, I have noticed over the years that they all take different approaches to allowing developers to get their hands dirty with their tech. There are many different ways of doing this and in this …

Devoxx Belgium 2023 is finally here! To mark the 20th anniversary of the conference and the release of the new Azul book OpenJDK Migration for Dummies, this post summarizes all the logistical details you need to know to get the most out of Azul at Devoxx! Devoxx Belgium will take place on 2 – 6 October 2023 at Kinepolis in Antwerp (Belgium). This edition is …

Artificial Intelligence and ChatGPT are the talk of the town. Every conference has several talks about these technologies, and on Foojay, you can find multiple posts about it. In this podcast, we want to take a look at it from the Java point of view. How can we use AI in Java programs or our job as a developer? Guests …