Technology Archives - Page 4 of 6

Understanding JavaScript Variables and Data Types

In Day 2 of a 30-day JavaScript and Node.js series, the focus is on variables and data types. It covers how to declare variables using var, let, and const, and highlights important data types, including strings, numbers, booleans, and objects. Key concepts include variable scope and practical examples to enhance understanding.

Sanduni Pavithra October 7, 2024

JavaScript Technology

Introduction to JavaScript: What You Need to Know

JavaScript is a crucial programming language for web development, enabling dynamic and interactive webpages. This article initiates a 30-day learning journey into JavaScript and Node.js, covering its fundamentals, history, and relevance. It highlights JavaScript's versatility across frontend and backend development, its integration with frameworks, and essential features, laying the groundwork for deeper exploration.

Sanduni Pavithra October 6, 2024coding, javascript, programming, web-development

programming Technology

Steps to Install Android SDK Platform Tools

The Android SDK Platform Tools is a vital toolkit for developers, allowing interaction with Android devices via a command-line interface for managing devices, installing apps, executing shell commands, and debugging. Installation guidance is provided for both macOS and Windows, emphasizing adding the tools to the user's PATH for accessibility.

Sanduni Pavithra October 2, 2024android, devops, how-to, python

programming Technology

How to Enable Developer Options on Android

This guide outlines the steps to enable developer options on Android devices, which provide advanced settings for app developers and regular users alike. Key features include USB debugging, performance optimization, and accessibility settings. Users are advised to proceed cautiously and understand potential security risks while exploring customization options.

Sanduni Pavithra October 1, 2024android, how-to, iphone, smartphone

Technology

How to Check if a Variable is an Array in JavaScript

Understanding data types is crucial in JavaScript programming, especially when working with collections of values.Arrays are one of the fundamental data structures in JavaScript, providing a way to store multiple values in…

Sanduni Pavithra September 14, 2024coding, dailyprompt, dailyprompt-2061, javascript, js, programming, web-development

programming Technology

Export HTML Tables to Excel with Colours Using xlsx-js-style Library

The XLSX library is commonly used to export Excel files, while the xlsx-js-style library adds styling options. You can export a table directly to Excel with XLSX and add styling with xlsx-js-style. For dynamic tables, retrieve and apply HTML styles to the Excel file. Ensure all cells have a default value for consistent styling.

Sanduni Pavithra September 11, 2024coding, excel, microsoft, power-platform, web-development

Education Technology

Guide to Node js CICD Deployment Using Docker on GCP

Learn how to deploy a Node.js app on Google Cloud Platform using Bitbucket CI/CD and Docker. This guide walks you through setting up GCP, creating Docker images, and deploying to Cloud Run with autoscaling, ensuring a reliable and scalable application

madhuwanthapriyashan12 September 11, 2024cloud, devops, docker, GCP, javascript, kubernetes, programming

Education programming Technology

JavaScript Object Copying Guide: Shallow vs Deep Copying Techniques Explained

JavaScript developers need to master object copying for data manipulation. Shallow copies share references, affecting original data. Creating them involves Object.assign() or the spread operator. Deep copies create independent data by recursively copying properties, and methods like JSON.parse() and lodash cloneDeep() are used. Best practices include understanding differences and considering performance implications.

Sanduni Pavithra July 31, 2024

Technology

Extracting Property Names from DTOs with TypeScript: A How-To Guide

This blog post explains a method for extracting property names from Data Transfer Objects (DTOs) and converting them into arrays by using TypeScript decorators. DTOs are used to transfer data between application layers. By applying the CollectKeys decorator to each property, property names are collected in a static array, allowing for dynamic retrieval and manipulation.

Sanduni Pavithra July 17, 2024java, javascript, programming, python, typescript

Education Technology

Understanding Floating Point Precision in JavaScript: Avoiding Unexpected Results

Floating-point precision refers to how computers represent and perform calculations on real numbers using a format that approximates them within a specific range and precision. This is particularly relevant in languages like JavaScript, which adhere to the IEEE 754 standard for floating-point representation.

Sanduni Pavithra May 31, 2024ai, javascript, programming, python