envsubst – Substitute Variables for Environment Variables
Hi 👋, Introduction In this short article I want to showcase a nice and useful Linux command. The comand 🥁 envsubst 🥁. In short it Substitutes the values o...
Recent posts
Using confluent-kafka-go on MacOS M1
Hello, TLDR; brew install librdkafka openssl@3 pkg-config export PKG_CONFIG_PATH="/opt/homebrew/opt/openssl@3/lib/pkgconfig" go test -tags dynamic ./... I...
How to identify similar images using hashing and Python
Hi 👋, In this article I would like to talk about image hashing. Image hashing algorithms are specialized hashing functions that output the hash of an image...
DeMorgan’s Law
DeMorgan’s law is a simple law that I learned at UPT during one of my hardware classes. While it is useful in hardware it, it is also useful when writing pr...
Object Pool Pattern
Hi 👋 In this article we’ll talk about the Object Pool pattern in Golang. The Object Pool pattern is a design pattern used in situations when constructing o...
Testing Tips: Avoid sleep in tests
Hi 👋, In this article I want to show a testing tip that I’ve recently learned myself by reading Software Engineering at Google: Lessons Learned from Program...
HTTPClients are reusable
Hi 👋, I wanted to write this article to tell you that instantiating a HttpClient class is often a costly operation. If you have a method that does somethin...
Go Pattern: Sorting a slice on multiple keys
Hi 👋 In this article I want to highlight a simple pattern for sorting a slice in Go on multiple keys. Given the following structure, let’s say we want to s...
Multiple Python versions on Windows
Hi 👋 In this short article I will show you two ways of changing Python versions on Windows. It is useful when you have installed multiple Python versions on...
A custom HomeKit accessory with Python
Hi 👋, In this short article I want to showcase how I implemented a custom HomeKit accessory with python. My Home Assistant’s SD card died 🪦 a few days ago ...