Nielsen Software Developer Interview Questions and Answers

Basic .net concept question and 2 leetcode medium question.
1) find a target element within a rotated search array (complexity < 0(N))

Q1. How would you handle scenerios where if you have 1000 request comming and you can handle 10 request at max
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Q1. Given the start and end times of the meetings, how can you determine if you are able to attend all of them?
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Q1. Shallow copy and deep copy
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Q2. What is Pure component
Ans. 
A Pure component is a component in React that does not have any state or lifecycle methods, resulting in improved performance.
• Pure components are used to prevent unnecessary re-renders in React applications.

• Pure components implement shouldComponentUpdate method with shallow comparison of props and state.

• Examples of Pure components include functional components and class components that extend PureComponent class.
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Q1. Who do you test your django apps?
Ans. 
I test my Django apps using automated testing tools and manual testing methods.
• I use Django's built-in testing framework to write unit tests for individual components of the app.

• I also use tools like pytest and Selenium for automated testing of the app's functionality.

• I perform manual testing to ensure the app works as expected in real-world scenarios.

• I use tools like Django Debug Toolbar to identify and fix any perfor
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Q2. Count the number of vowels in a string.
Ans. 
Count the number of vowels in a given string.
• Iterate through each character in the string and check if it is a vowel (a, e, i, o, u).

• Increment a counter for each vowel found.

• Return the total count of vowels in the string.
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