ElasticRun Engineer Interview Questions and Answers

State in React is a JavaScript object that stores component data and determines how the component renders and behaves.

• State is mutable and can be updated using the setState() method.

• State should be used for data that will change over time and affect the component's rendering.

• State should not be directly modified, as React may not re-render the component correctly.

To manage and debug threads and workers in Python, use built-in modules like threading and multiprocessing, and tools like logging and debugging libraries.

• Use the 'threading' module for managing threads in Python

• Use the 'multiprocessing' module for managing worker processes

• Utilize tools like logging to track the execution flow of threads and workers

• Use debugging libraries like 'pdb' or 'pydev' for debugging threads and...read more

I faced a major technical problem when a critical system crashed due to a software bug.

• Identified the root cause of the bug through thorough debugging and analysis

• Collaborated with the development team to implement a fix and tested it rigorously

• Implemented monitoring tools to prevent similar issues in the future

I implemented data structures like arrays, linked lists, and trees. Followed coding standards like naming conventions and code documentation.

• Implemented arrays for efficient storage and access of data

• Utilized linked lists for dynamic memory allocation and insertion/deletion operations

• Implemented trees for hierarchical data representation

• Followed naming conventions like camelCase for variables and functions

• Documented co...read more

I have solved and designed complex solutions by breaking down the problem into smaller parts, collaborating with team members, utilizing my technical expertise, and thinking creatively.

• Break down the problem into smaller, more manageable parts

• Collaborate with team members to gather different perspectives and expertise

• Utilize technical expertise and knowledge to come up with innovative solutions

• Think creatively to explo...read more

I believe that this company offers a unique opportunity for growth and innovation in the field of engineering.

• I am attracted to the innovative projects and technologies that this company is working on.

• I see potential for personal and professional growth within this company.

• I admire the company's commitment to diversity and inclusion in the workplace.