AI FLY Interview Questions and Answers

Lazy loading is a design pattern that delays the loading of non-essential resources until they are actually needed.

• Lazy loading helps improve performance by only loading resources when necessary

• Commonly used in web development for images, videos, and other media content

• Can also be used in software development to improve loading times of large datasets

Write trigger to count the number of contacts any account contains.

• Create a trigger on the Contact object

• Query for all contacts related to the account

• Use a count variable to keep track of the number of contacts

• Update a custom field on the Account object with the count

Async await is a feature in JavaScript that allows for asynchronous programming using promises.

• Async functions return a promise that is resolved with the return value of the function.

• Await can only be used inside an async function to wait for a promise to resolve before continuing.

• Async await simplifies asynchronous code and makes it look more like synchronous code.

Asynchronous apex is used to perform long-running operations in the background without blocking the user interface.

• Improves user experience by allowing users to continue working while the operation is being processed

• Helps in handling large data volumes efficiently

• Prevents governor limits from being exceeded by breaking up large tasks into smaller chunks

• Examples include sending email notifications, processing large data...read more