Python Singleton Pattern implementation with LRU
Hello and happy new year! 🥳🙌 I’ve made a video on how to implement the singleton pattern in Python using the LRU cache. https://www.youtube.com/watch?v=Wzu...
Recent posts
How to fix DaVinci Resolve audio issues on Ubuntu 20.10
Hello 👋, To fix audio issues on a fresh install of DaVinci Resolve 18 on my Ubuntu 20.10 PC I did the following things: 1. List all the available sound car...
Separate Audio from Video (with ffmpeg)
Hello 👋 In this short article I will show you how to split audio from video using ffmpeg. When I worked on my Udemy course I needed a way to process audio ...
Exec as root user in Kubernetes
Hi 👋, In this short tutorial I will show you a way of getting a root shell in containers running inside a modern Kubernetes cluster. Prerequisites: Roo...
Apache Flink Checkpoints on S3 and S3 compatible storage
Hello, Recently someone working at Yahoo emailed me regarding an old thread I’ve started on the Apache Flink user mailing list. I’ve replied to the e-mail b...
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...
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...