Facilio Software Developer Interview Questions and Answers

Centering a div container can be achieved using CSS techniques like flexbox, grid, or margin auto for block elements.

• Using Flexbox: Set the parent container to display: flex; and justify-content: center; align-items: center; to center the child div.

• Example: .parent { display: flex; justify-content: center; align-items: center; height: 100vh; } .child { width: 50%; }

• Using Grid: Set the parent to display: grid; and use p...read more

To run a React project, use the command 'npm start' in the project directory to start the development server.

• Navigate to the project directory: Use 'cd your-project-name' to go to your React project folder.

• Install dependencies: Run 'npm install' to install all required packages listed in package.json before starting the project.

• Start the development server: Execute 'npm start' to launch the React application in your de...read more

NPM stands for Node Package Manager, a tool for managing JavaScript packages and dependencies in Node.js applications.

• Package Management: NPM allows developers to install, update, and manage libraries and tools needed for their projects, such as Express or React.

• Dependency Management: It helps in managing project dependencies, ensuring that the correct versions of libraries are used, which is crucial for compatibility.

• ...read more

A framework provides a structure for building applications, while a library offers reusable code for specific tasks.

• Inversion of Control: Frameworks dictate the flow of control, while libraries allow developers to call them as needed. Example: Angular (framework) vs. jQuery (library).

• Purpose: Frameworks are designed for building entire applications, whereas libraries focus on specific functionalities. Example: Django (...read more

App config, web config and package.json are configuration files used in software development.

• App config is used in .NET applications to store application settings.

• Web config is used in ASP.NET applications to store web application settings.

• Package.json is used in Node.js applications to manage dependencies and scripts.

• All three files are used to configure and customize software applications.