What is CodeLand? CodeLand is a community where many early-career developers come to meet at a virtual conference. Every year CodeLad presents this virtual conference to talk about big ideas in tech, empower learning paths and energize each other. My experience Today was my second year attending to Codeland2022 Conference and today was the last…

JavaScript Sliding window pattern The use of the Sliding Window technique can be done in a very specific scenario, where the size of window for computation is fixed throughout the complete nested loop. Only then the time complexity can be reduced. How to use Sliding Window Technique? The general use of Sliding window technique can be demonstrated as following: Find the size of window required Compute the result for 1st window, i.e. from start of data structure

What is Ruby on Rails API? Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern. Understanding the MVC pattern is key to understanding Rails. …

What is Big O Notation, and why does it matter “Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. It is a member of a family of notations invented by Paul Bachmann, Edmund Landau, and others collectively called Bachmann–Landau notation or asymptotic notation.” — Wikipedia’s definition of Big O notation

What is an URL? URL stands for Uniform Resource Locator. A URL is nothing more than the address of a given unique resource on the Web. In theory, each valid URL points to a unique resource. Such resources can be an HTML page, a CSS document, an image, etc. In practice…

ControlCenter | AirPlay Receiver As a Developer, when we are working on an application locally, we use local development servers, which is typical for a framework that takes a port from our computer to operate. For example, ReactJS uses default port 3000, and Express uses port 5000. Today was working…

Whatis ChartJS? Chart.js is a chart library that is available as a client-side JavaScript package. There are also derivatives for other frontend frameworks, like React, Vue, and Angular. It displays the chart on an HTML canvas element. Quick Start npm install --save chart.js react-chartjs-2 Then, import and use individual components: import { Doughnut } from 'react-chartjs-2'; <Doughnut data={...} />

What is prop drilling? Prop Drilling is the process by which you pass data from one component of the React Component tree to another by going through other components that do not need the data but only help in passing it around.

What is the Virtual DOM? The virtual DOM (VDOM) is a programming concept where an ideal, or “virtual”, representation of a UI is kept in memory and synced with the “real” DOM by a library such as ReactDOM. This process is called reconciliation. This approach enables the declarative API of React: You tell React what…