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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What command is used to import Express in a Node.js application?
💡 Hint: Think of how we include external libraries in JavaScript.
Question 2
Easy
What is the default port number used in the provided server.js code?
💡 Hint: It's often the standard for local development.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What framework is used for the backend in the project?
- Angular
- Express
- React
- Django
💡 Hint: It's designed specifically for Node.js applications.
Question 2
True or False: The POST request can be used to retrieve feedback.
- True
- False
💡 Hint: Remember the different roles of GET and POST.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement error handling in the POST /submit-feedback route so that if the feedback cannot be saved, an error message is returned instead of the success message.
💡 Hint: Think about what happens if the file system has issues.
Question 2
Refactor the app to use asynchronous file operations instead of synchronous to improve performance under load.
💡 Hint: Consider using callbacks or promises for file operations.
Challenge and get performance evaluation