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 ]Jun 16, 2023Jun 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…May 22, 2023May 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…Aug 17, 2022Aug 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…Aug 10, 2022Aug 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…Aug 10, 2022Aug 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…Jun 6, 2022Jun 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…May 10, 20221May 10, 20221
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 ]Apr 27, 2022Apr 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…Apr 25, 2022Apr 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…Nov 15, 2021Nov 15, 2021