My purpose here is to talk about the decorator pattern in SPL iterators. But since many people are not aware of how much the iterators are really used, I would also like to point out one of their use cases in real life. So, my starting point will be AWS Simple Storage Service (S3). For…
Disclaimer: Here, I am not going to present some real-life example where promisification is used but I am gonna show you how to apply this pattern in a real-life example. The promisification is a necessity that comes from the asynchronous nature of Javascript whenever we need to make synchronous calls. Let’s assume that we want…
The source of all evil: The whole issue with file permissions in docker containers comes from the fact that the Docker host shares file permissions with containers (at least, in Linux). Let me remind you here that file permissions on bind mounts are shared between the host and the containers (of course, there are also…