Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Jack Wallen shows you how to pass environment variables to Docker containers for a more efficient development process. Did you know you can pass environment variables from your host to Docker ...

How to add environment variables to a container with Portainer Your email has been sent Jack Wallen shows you how easy it is to use environment variables for your containers with the help of the ...

Python dataclasses work behind the scenes to make your Python classes less verbose and more powerful all at once. Here's an introduction to using dataclasses in Python. Everything in Python is an ...