JavaScript is one of the most widely-used programming languages on the web, and for good reason. It allows developers to create dynamic and interactive user experiences, but as the complexity…
An index in MongoDB is similar to an index in a book. Just as a book's index allows you to quickly find a specific page by looking up a specific…
Indexing: One of the most important performance tuning tips for MongoDB is to properly index your collections. This allows for faster query execution and can greatly improve the performance of…
Here are some examples of simple Python utility scripts that can automate various tasks: 1. File Renamer: This script allows you to rename multiple files in a specific directory with…
In many applications, you'll need more than one container - for two main reasons: It's considered a good practice to focus each container on one main task (e.g., run a…
Images are read-only - once they're created, they can't change (you have to rebuild them to update them). Containers on the other hand can read and write - they add…
Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a YAML file to configure your application’s services. Then, with a single command, you create…
Images Images are one of the two core building blocks Docker is all about (the other one is "Containers"). Images are blueprints / templates for containers. They are read-only and…
