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Showing posts from October, 2023

How to Deploy a Full-Stack Web Application on a Cloud Server (Step-by-Step)

How to Deploy a Full-Stack Web Application on a Cloud Server (Step-by-Step) How to Deploy a Full-Stack Web Application on a Cloud Server (Step-by-Step) Keywords: cloud server and application, deploy full-stack app, cloud deployment tutorial Deploying a full-stack web application on a cloud server might seem intimidating, but with the right guidance, it’s simpler than you think. Whether you're building with Node.js, React, or Python, this guide will help you move from development to production step-by-step. 🚀 Step 1: Choose a Cloud Server Provider Popular cloud hosting providers include: Amazon EC2 Google Cloud Compute Engine DigitalOcean Microsoft Azure For this guide, we’ll use Ubuntu 22.04 LTS on DigitalOcean Droplets . 🔐 Step 2: SSH into Your Cloud Server ssh root@your_server_ip Make sure you have your SSH key or password set up. You can generate a key using: ssh...

Interview queations and their answers for sql server databss

1. Q: What is SQL?    A: SQL stands for Structured Query Language, and it is a programming language used to manage and manipulate relational databases. 2. Q: What is a primary key in SQL?    A: A primary key is a unique identifier for each record in a table. It enforces data integrity and ensures that each record has a unique identifiying value. 3. Q: What is a foreign key in SQL?    A: A foreign key is a field that establishes a link between two tables. It creates a relationship between tables based on a common column, allowing referencing data from one table to another. 4. Q: What is the difference between DELETE and TRUNCATE in SQL?    A: DELETE is a DML (Data Manipulation Language) statement used to remove specific rows from a table, while TRUNCATE is a DDL (Data Definition Language) statement used to remove all the rows from a table, effectively truncating the table. 5. Q: What is a JOIN in SQL?    A: JOIN is used to combine rows f...

Interview : ASP.NET Core and C# applications. These questions cover a range of topics commonly encountered when working with ASP.NET Core applications.

  What is ASP.NET Core, and how is it different from ASP.NET Framework? Answer: ASP.NET Core is a cross-platform, open-source framework for building web applications. It differs from ASP.NET Framework in that it's platform-agnostic, lightweight, and designed for modern web development. What are the main advantages of using ASP.NET Core over ASP.NET Framework? Answer: Some advantages include better performance, cross-platform compatibility, improved modularity, and support for modern development practices like microservices and containerization. What is Middleware in ASP.NET Core? Answer: Middleware is a component that processes HTTP requests and responses in the ASP.NET Core pipeline. It can handle tasks like authentication, routing, and logging. How do you handle routing in ASP.NET Core? Answer: You define routes in the Startup.cs using the app.UseEndpoints method. Routes are configured using attributes or the conventional route pattern. What is Dependency Injection, and why...

ASP.NET Core Interview Q&A

ASP.NET Core Interview Q&A   Answer: ASP.NET Core is an open-source, cross-platform web framework developed by Microsoft for building modern, cloud-based, and high-performance web applications. What are the key features of ASP.NET Core? Answer: Some key features include cross-platform support, improved performance, modularity, built-in dependency injection, and cloud-ready configuration. Explain the difference between ASP.NET Core and ASP.NET Framework. Answer: ASP.NET Core is cross-platform and modular, while ASP.NET Framework is Windows-specific. Core is more lightweight and has better performance. What is Middleware in ASP.NET Core? Answer: Middleware in ASP.NET Core is a pipeline of components that can handle requests and responses. Each component in the pipeline performs a specific task, like authentication, routing, or logging. What is Dependency Injection, and why is it important in ASP.NET Core? Answer: Dependency Injection is a design pattern used to inject depend...

Preparing for an AngularJS interview

  Certainly, when preparing for an AngularJS interview, it's important to have a solid understanding of the framework, its features, and common development practices. Here are some additional points you might find helpful: 1. AngularJS vs. Angular (Angular 2+): Be prepared to explain the difference between AngularJS and the newer versions of Angular (Angular 2 and above). Mention that AngularJS is sometimes referred to as "Angular 1" and highlight the major architectural changes and improvements introduced in Angular 2+. 2. Directives: Understand that AngularJS heavily relies on directives to extend HTML with new attributes and elements. Familiarize yourself with built-in directives like ng-model , ng-repeat , and ng-if , and explain how to create custom directives. 3. Controllers: Discuss the role of controllers in AngularJS. Controllers are responsible for defining the behavior of a part of the web page. Explain how they are used to manipulate data and interact with ...