As developers we all have to deal with databases. And when we do it’s never just one database, right? There is one for production, one for acceptance, probably one for some dev or test environment… …before you know it your database connections window in IntelliJ…
Strategiedagen lustrum Craftsmen
Op een wereltse locatie in Lunteren vonden afgelopen week de strategiedagen van Craftsmen plaats. Eindelijk kon het weer. Koffie bij de hand, de koppen bij elkaar en samen onze koers ijken. Staan de missie en visie nog overeind (spoiler alert: ja), is er nog ruimte…
The BFF: A Frontend and Backend romance
We have all been there: dealing with a huge monolith, trying to understand the original architecture of the project and trying to find logic in the code. Annoying, but no need to despair, because often enough there are microservices to help you out. Simply split…
Doe meer met CSS
Soms lijkt het alsof het coderen van een moderne frontend-applicatie zo’n beetje alleen uit werken met JavaScript dan wel TypeScript bestaat. Maar CSS is er ook nog. Niet zelden wordt de styling gezien als vervelend en lastig sluitstuk. Vandaar dat frameworks als Bootstrap grote populariteit…
NAS breakdown – how to recover the data for free?
A while back, my Synology NAS 2415+ broke down after 6 years of trusted service. • Diagnosis: faulty motherboard. • Original price: € 980,00. • Motherboard replacement: € 680,00. • Conclusion: not worth repairing. • Solution: time for a serious upgrade. After looking around and…
Sorting XML with Groovy
Manipulating the Order of Elements in a JMeter Response When testing a SOAP webservice, one of the things you want to test is what you’re getting back from the server. Do the elements in the response match the expectations? When testing your backend services with…
Multipart FileUpload – Handling File Upload in JMeter
A while back, I wrote a blog about the breaking changes between JAX-RS 1.1 and JAX-RS 2.0 with regards to multipart fileupload. In it, I discussed a generic solution that both works for JAX-RS 1.1 and JAX-RS 2.0. In this blog I like to take…
Programmeren is kinderspel
Ondanks dat ik bijna altijd programmeer in Java, met een enkel uitstapje naar PHP en wat vingeroefeningen in andere talen, vandaag toch een blog over iets totaal anders. Hoewel… Het is een typische dag in Corona-tijd: ik ben thuis aan het werk voor mijn opdrachtgever…
Journey of a Craftsman
This year Craftsmen celebrates its 5th birthday, and my (professional) coding career turns 20. Pondering about how time flies I find myself sometimes thinking of the ‘good old days’, like a regular old man 😉 After initially coding on a mainframe I got the opportunity…
Welcome *standalone* Eclipse MicroProfile specifications
Introduction to the standalone specifications Almost two years ago I wrote an introduction to the Eclipse MicroProfile specification. You can find these here (part 1) and here (part 2). Now that there are four new specifications available since version 3.3 (we are now at version…
jOOQ and Spring Transactions, without blockage
Recently, I ran into a bug causing corrupt data in an application that our team was maintaining. The application was running stable for several years. What happened? In this blog, I will show what I did to find the cause of the bug, and how…
Distributed load testing with Locust
In recent years, many companies have moved their software applications to the cloud. One of the most important advantages of the cloud is its scalability. Running into performance issues? Just add some more CPU, or memory, or spin up an additional instance of your application….