VVDN Technologies Senior Software Engineer Interview Questions, Process, and Tips

Async/await is a feature in programming that allows asynchronous code to be written in a synchronous manner.

• Async/await is a way to write asynchronous code in a more synchronous style.

• It is used in languages like JavaScript to handle asynchronous operations.

• Async functions return a Promise, which allows them to be awaited.

• Await keyword is used to pause the execution of an async function until a Promise is settled.

Implementing CI/CD involves automating the process of integrating code changes and deploying them to production.

• Set up a version control system like Git to track changes

• Use a continuous integration tool like Jenkins to automatically build and test code

• Implement automated testing to ensure code quality

• Use a continuous deployment tool like Ansible or Docker to deploy code changes

• Integrate monitoring and alerting to track

Sizeof operator in C returns the size of a variable or data type in bytes.

• Sizeof operator is evaluated at compile time

• Sizeof operator can be used with variables, data types, or expressions

• Example: sizeof(int) returns 4 on a 32-bit system