Heiko W. RuppHow to successfully apply at GSoC (and other similar efforts )[ This used to be a draft on my hard disc for much too long ]3 min read·Jun 16, 2023----
Heiko W. RuppA small tale about testing and what a coffee machine has to do with itI am a big fan of testing in production. That does not mean I don’t test via unit test or in staging, but all those environments are…3 min read·May 22, 2023----
Heiko W. RuppinITNEXTDistributed Tracing with Quarkus, Python, Open Telemetry and Jaeger (Part 3)The last two parts (1, 2) of this series focussed on Tracing basics and instrumentation of Quarkus and Python code for http requests. A…5 min read·Aug 17, 2022----
Heiko W. RuppinITNEXTDistributed Tracing with Quarkus, Python, Open Telemetry and Jaeger (Part 2)In the last part we looked at instrumenting some Quarkus and Python code to obtain traces, which we forwarded to Jaeger. Unfortunately, the…4 min read·Aug 10, 2022----
Heiko W. RuppinITNEXTDistributed Tracing with Quarkus, Python, Open Telemetry and Jaeger (Part 1)In a microservices world, there is no easy way of attaching a debugger or profiler to one component to understand why it exposes a certain…6 min read·Aug 10, 2022----
Heiko W. RuppinITNEXTMy toolbox: WiresharkIn my previous toolbox article I talked about HttpToolkit and how awesome it is to see http requests in action. There is an older tool…3 min read·Jun 6, 2022----
Heiko W. RuppinITNEXTUsing Minikube on M1 MacsOn x86-based CPUs it is quite normal to run Linux containers and also Kubernetes. With the new M1-CPU based Macs, there are still…2 min read·May 10, 2022--1--1
Heiko W. RuppinITNEXTMy toolbox: HttpToolkit[ This is the first article in an upcoming series of toolbox ones that showcase some of the tools I use in my development work ]3 min read·Apr 27, 2022----
Heiko W. RuppinITNEXTHow to use request-scoped tokens with cachingIn a project I am working on I need to get tokens from a single-signon (SSO) -server to be able to talk to another service. That token has…2 min read·Apr 25, 2022----
Heiko W. RuppinITNEXT(Re)introducing x2svgBack in the day, in 2008 to be more concrete, I needed to visualise data structures like DTDs or XML schemas. I created x2svg and put it on…2 min read·Nov 15, 2021----