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Tutor profile: Steven L.

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Steven L.
Software Developer at Corelation Inc
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Questions

Subject: Javascript Programming

TutorMe
Question:

What is a callback function? How do you escape "callback hell"?

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Steven L.
Answer:

A callback function is simply just a function that is passed through some method as either an argument of parameter. Callback hell is when you have many nested callback functions in one method. There are several ways to fix it: 1) Have function names for the callback functions. 2) abstract callback functions into a helper method. 3) Use libraries like Async.js or Promise.js that help synchronize your functions.

Subject: Java Programming

TutorMe
Question:

How many times does the word, "TutorMe", print out? for(int i = 0; i < 120; i++){ if(i%3 == 0) System.out.println("TutorMe"); }

Inactive
Steven L.
Answer:

"TutorMe" gets printed out 40 times.

Subject: Algebra

TutorMe
Question:

Ana has 5 apples. John has the same number of apples as David,. There are 25 apples total. How many apples do John and David have?

Inactive
Steven L.
Answer:

John and David both have 10 apples.

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