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Docker is a tool designed to make it easier to create, deploy, and run applications using containers. Containers allow you to package up an application with all parts it needs, such as libraries and other dependencies, and ship it all out as one package. Here’s a quick and easy-to-understand cheat sheet to get you started. What is Docker? Docker  is a platform for developing, shipping, and running applications in containers. Containers  are lightweight, portable, and self-sufficient environments that run applications and their dependencies. Key Concepts in Docker Docker Image : A read-only template used to create containers. For example, an image could contain a Python application, including everything it needs to run. Docker Container : A running instance of a Docker image. Dockerfile : A text file that contains all the instructions to build a Docker image. Docker Hub : A registry for sharing Docker images. You can pull or push images from and to Docker Hub. Common Docker Com...

In this guide we will walk through the fundamentals of C with simple explanations and examples for each concept. By the end of this guide, you’ll have a better understanding of how to write basic C programs and use common data types, variables, and control structures. Code examples will be provided along the way and you can try it using online C compilers: Programiz — C Programming Online Compiler One Compiler — Online C Compiler Tutorialspoint — Online C Compiler W3Schools — Online C Compiler 1. Getting Started with C Programming What is C? C is a general-purpose programming language that’s widely used in system and embedded programming. It’s a great starting point because it helps you understand core computing concepts like memory management. 2. Basic Structure of a C Program Let’s start with the basic structure of a C program: # include <stdio.h> int main () { printf ( "Hello, World!\n" ); // Prints a message to the console return 0 ; } Explanation: #inc...