Inspecting UserDefaults on iOS Simulator: Where to Find the Plist File
When developing iOS apps, UserDefaults is a simple and convenient way to store small pieces of data – like user settings, preferences, or app state…
Read more →Engineering the future – one line of code a day
Software Engineer 👨💻 | Building apps for macOS 💻, iOS📱 & Linux 🐧 with Swift 🐦🔥
Hi, I’m Johannes, a software engineer with a passion for Swift, app development and data analysis. This blog serves as my personal notebook: software engineering, technology, programming and hands-on projects.
Follow along as I explore, build, and share my experiences.
Port Forwarding with xinetd – a flexible solution under Linux
In Linux systems, binding a non-root process to a privileged port (which are ports <1024) is not allowed by default. This can be inconvenient when…
Read more →Robust String to Double casting in Swift
In Swift, converting a String to a Double always returns an optional. This makes perfect sense, as non-numeric strings cannot be converted into a floating-point…
Read more →TBRESTClientLib – IoT platform API implementation
Implementation of ThingsBoard’s ReST client API – written in Swift: When developing IoT and IIoT solutions, having a reliable IoT platform is crucial. For both…
Read more →Design and Implementation of a remote keyless entry system using state of the art bidirectional communication and authentication mechanisms – Study Related Research Publication
Master's Thesis Summary Research has shown that Remote Keyless Entry systems (RKEs) often lack the required security features. RKEs from popular and widely known car…
Read more →The ontology engineering process – Study Related Research Publication
The ontology engineering process – Kinzig, Johannes (2017) Study related research project for the module “Current Topics in High Integrity Systems”. This scientific paper describes…
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