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1. What is Git 1.1 What is Version Control Version control is a system that records changes to files, tracking the history of modifications and allowing users to compare, restore, or merge between different versions. It is primarily used in software development to manage code changes, but can also be applied to any scenario requiring file chang ...

File Classification 1. Program Files Files with extansions: .c (source file), .obj (object file), .exe (executable) 2. Data Files Files that store data, such as: .txt, .jpg, .log, etc. File Usage File Pointer The file pointer references the file information block. The pointer type is FILE*. Each time a file is opened, the pointer starts at the ...

Understanding Python's Core Data Structures Strings (str) Strings are among the most frequently used data types in Python. They can be created using single quotes ('), double quotes (") or triple quotes ('''). Creating a string is straightforward - simply assign a value to a variable. message1 = 'Hello World!' message2 = "Python Programmin ...

Configuration git config --global core.editor "vim" Discarding Modifications // Unstage files from the index # Step 1: Move changes from index to working directory git reset HEAD path/to/file # Step 2: Discard changes in the working directory git checkout -- path/to/file // Restore a specific file to a previous revision git checkout <comm ...

Connecting PHP to MySQL Dataabse <?php $serverName = "localhost"; $userName = "root"; $password = "root"; $databaseName = "mysql"; // Create connection $connection = new mysqli($serverName, $userName, $password, $databaseName); // Check connection if ($connection->connect_error) { die("Co ...

Kubernetes (K8s) is an open-source container orchestration platform used to automate the deployment, scaling, and management of containerized applications. Installing K8s requires tools to simplify and accelerate the process. This article explains how to install K8s using the most common tool, Kubeadm. K8s Installation Workflow The following is ...

Git is a distributed version control system primarily used for tracking and managing changes to source code. It allows multiple developers to work on code simultaneously and provides powerful tools for merging and managing different versions of code. Below are the basic concepts and usage of Git. Basic Concepts Vertion Control System (VCS): Re ...

This guide explains how to initialize a local Git repository, configure user credentials, generate SSH keys, and link the repository to a remote GitHub repository. Configure Git User and Email Set the global Git username and email address. When connecting to GitHub, the email should match your GitHub account. The username does not need to be yo ...

Introduction to Jupyter Notebook Jupyter Notebook is a web-based interactive computing environment that integrates code execution, documentation, and visualization. It supports live coding, mathematical equations, narrative text, and rich media output within a single document. Core Components Web Application: Provides an interface for authorin ...

Arrays are data structures used to store multiple values of the same type in contiguous memory locations, each accessible via a zero-based index. They eliminate the need for declaring numerous individual variables when handling collections of data, such as storing grades for multiple students. Declaring and Initializing Arrays Arrays can be dec ...