SpanIdea Senior Software Engineer Interview Questions and Answers

Yes, I have experience implementing server driven UIs.

• Implemented server driven UIs using JSON responses to dynamically update UI elements

• Worked with frameworks like React and Angular to handle server driven UI updates

• Used server driven UIs to efficiently manage and display large amounts of data

Closure is a function that captures variables from its surrounding scope, allowing it to access those variables even after the scope has closed.

• Closure allows a function to access variables from its lexical scope even after the function has finished executing.

• Types of closures include lexical closures, which capture variables from the surrounding lexical scope, and function closures, which capture variables from the fu...read more

Core Data is a framework provided by Apple for managing the model layer objects in an iOS application.

• Core Data is used for storing, retrieving, and managing data in an iOS app.

• It provides an object-oriented interface to work with data.

• Operations include creating, reading, updating, and deleting data.

• Example: Creating a new record in Core Data for a user profile.

• Example: Fetching a list of items from Core Data to displ

Performance tuning in React involves optimizing code for faster rendering and improved user experience.

• Identify and eliminate unnecessary re-renders by using shouldComponentUpdate or React.memo

• Use PureComponent or memo to prevent unnecessary re-renders of components

• Avoid using inline functions in render methods to prevent unnecessary re-renders

• Optimize component rendering by splitting large components into smaller ones

• ...read more

Redux for complex state management, Context API for simpler state sharing

• Use Redux for complex state management with multiple components needing access to the same state

• Context API is suitable for simpler state sharing between parent and child components

• Redux is more suitable for larger applications with a lot of state changes and actions

• Context API is easier to set up and use for smaller applications or components