Freaks City

1.1 Literals A literal is a fixed value written directly in the source code. It represents a constant value that doesn't change during program execution. Common literal types in Python: 100 3.14159 "Software Engineer" print(100) print(3.14159) print("Software Engineer") 1.2 Comments Comments are annotations ignored by the ...

Introduction HBase is a highly reliable, high-performance, column-oriented distributed storage system suitable for storing massive amounts of data and enabling real-time read/write operations. This guide will walk you through setting up HBase in single-node mode. Process Overview The table below outlines the steps to start HBase on a single nod ...

Variables serve as containers for storing data values in memory. When you create a variable, Python allocates memory space to hold the assigned data. The interpreter determines the appropriate memory allocation based on the data type, enabling efficient storage and retrieval of information. Variable Declaration Unlike statically-typed languages ...

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 ...