programming - CybAI news

09 Oct

DSA: Trie – interview preparation questions

stp2y0 CommentsNewsalgorithms, coding, community, datastructures, development, engineering, inclusive, programming, software, tutorial

1. Trie Basics and Operations· Implement a Trie (Insert, Search, Delete)· Implement a TrieNode Class· Insert a Word into a Trie· Search for a Word in a Trie· Delete a Word from a Trie· Check if a Prefix Exists in a Trie· Count Words in a Trie· Count Prefixes in a Trie· Implement a Trie with Case Sensitivity· Implement a Trie with Case Insensitivity 2. Trie-Based String Operations· Find All Words with a Given Prefix (Using Trie)· Find Words that Start with a Given Prefix (Using Trie)· Find All Words that End with a Given Suffix (Using Trie)· Find Longest Prefix…

08 Oct

Lamp – a curated collection of open-source web assets for developers.

stp2y0 CommentsNewscoding, community, development, engineering, frontend, inclusive, opensource, programming, software, webdev

Introducing Lamp a curated collection of open-source web assets for developers. Also check out the GitHub repo a star would be AWESOME :) If u have any projects u would like me to add to Lamp let me know Source link lol

08 Oct

Check Each Line of a CSV File and Output Specific Information according to Certain Requirements #53

stp2y0 CommentsNewsbeginners, coding, community, development, devops, engineering, esprco, inclusive, programming, software

Problem description & analysis Below is text file txt.txt, where the second column contains quantities and the third column contains unit prices: 111111,34,24.5,Apple 222222,53,22.0,Mango 333333,,32.0,Orange 44444,22,12.6, We are trying to handle this text file according to requirements below: If there is any null field in the current row, output the words “Error in line# N: insufficient/invalid data”; If the current row is empty, output the words “Line# N is empty”; Simple calculations; Append an empty row and a row of total sales, as shown below: Sold 34 Apple at £24.50 Line#2 is empty Sold 53 Mango at £22.00 Line#4 is…

07 Oct

Buffers: Node.js

stp2y0 CommentsNewscoding, community, development, engineering, inclusive, javascript, node, programming, software, tutorial

Simple Guide to Buffers in Node.js A Buffer in Node.js is used to handle raw binary data, which is useful when working with streams, files, or network data. How to Create Buffers From a String: const buf = Buffer.from('Hello'); Enter fullscreen mode Exit fullscreen mode Allocate a Buffer with a specific size: const buf = Buffer.alloc(10); // 10-byte buffer filled with zeros Enter fullscreen mode Exit fullscreen mode From an Array of bytes: const buf = Buffer.from([72, 101, 108, 108, 111]); // Represents 'Hello' Enter fullscreen mode Exit fullscreen mode Important Buffer Functions Convert Buffer to String: const buf =…

06 Oct

Linux Terminal for Beginners – Mastering Navigation Basics

stp2y0 CommentsNewsbeginners, coding, community, development, engineering, inclusive, Linux, programming, software, terminal

Originally published on: blog.theenthusiast.dev Imagine this: You've been using your computer for a while, and your Documents folder has become a catch-all for every file you've saved. You want to bring some order to this chaos, create a structure for your projects, and set up a system for personal files. Doing this with a mouse seems tedious. There must be a faster, more efficient way, right? Enter the terminal --> your new friend for doing things faster. Before we start organizing, we need to learn how to navigate our digital space efficiently. This is where the power of the terminal…

05 Oct

Cómo Iniciar en el Desarrollo Web

stp2y0 CommentsNewsbeginners, coding, community, development, engineering, inclusive, javascript, programming, software, webdev

Introducción El desarrollo web es una de las carreras más demandadas en la actualidad, tanto para aquellos interesados en el frontend (lo que el usuario ve) como en el backend (la lógica del servidor). Si estás comenzando y te preguntas por dónde empezar o cuánto puedes ganar como desarrollador, esta guía te dará un camino claro y recursos para comenzar. ¿Qué es el Desarrollo Web? El desarrollo web se divide en dos grandes áreas: Frontend: La parte visual e interactiva de un sitio web. Incluye: HTML: Estructura el contenido. CSS: Estiliza el diseño y la presentación. JavaScript: Añade interactividad y…

04 Oct

Asynchronous Operations in JavaScript: The Event Loop

stp2y0 CommentsNewscoding, community, development, engineering, inclusive, javascript, programming, software, webdev, writing

IntroductionJavaScript is Synchronous by DefaultSynchronous vs Asynchronous OperationsThe Event LoopHow it WorksImportance of the Event LoopConclusion Introduction Picture this: you just developed a web application that has to fetch data from a server, update the user interface, and respond to all of the user actions in real-time, but you’re worried about whether your code will be able to juggle these tasks efficiently. Well, no need to worry, this is where the event loop comes in. In this article, I’ll go over how the event loop works, the differences between synchronous and asynchronous operations in JavaScript, and the importance of the…

03 Oct

What are targets for in Rust?

stp2y0 CommentsNewscoding, community, development, engineering, inclusive, jetbrains, programming, rust, rustrover, software

In Rust, targets refer to specific configurations that determine how your code is compiled and executed. Targets specify the platform or architecture for which Rust should compile the code. Types of Targets in Rust: Binary Targets (Binaries): These are executable programs that your project can build. In your Cargo.toml, you can define multiple binary targets. By default, if your project has a main.rs, Cargo will treat it as a binary target. You can also create additional binaries by placing other *.rs files in a src/bin/ directory. Library Targets: This is when you're building a library instead of an executable program.…

01 Oct

Avoiding Frontend Development Failure: Proven Practices for Writing Clean Code

stp2y0 CommentsNewscleancode, coding, community, development, engineering, inclusive, javascript, productivity, programming, software

Introduction Have you ever felt overwhelmed by messy code that seems impossible to untangle or scale? If you have, you're not alone. Many developers face challenges with maintaining a clean codebase, which is essential for the long-term success and scalability of projects. Let’s explore some effective strategies to keep your code manageable and your projects running smoothly. Understanding the Basics: What is Clean Code? Clean code means writing code that is easy to understand, simple to modify, and enjoyable to work with. But why is it so important? Ignoring clean code principles can lead to delayed projects, increased technical debt,…

30 Sep

Axios vs Fetch

stp2y0 CommentsNewscoding, community, development, engineering, frontend, inclusive, javascript, programming, software, webdev

Versão em português Axios e Fetch são ferramentas populares para fazer requisições HTTP em JavaScript, mas possuem algumas diferenças chave. Aqui está um resumo: Axios Recursos Embutidos: O Axios vem com muitos recursos embutidos, como transformação automática de JSON, interceptores de requisição e resposta, e cancelamento de requisições. Compatibilidade com Navegadores: Suporta navegadores mais antigos, incluindo o Internet Explorer. Tratamento de Erros: O Axios rejeita automaticamente promessas para status de erro HTTP (como 404 ou 500), facilitando o tratamento de erros. Interceptores de Requisição/Resposta: Permite modificar requisições ou respostas globalmente de forma simples. Cancelamento de Requisições: O Axios oferece uma…