What’s the difference between operational and programmer errors?

Operational errors are part of the normal operation of a program. Programmer errors are bugs. Sometimes, you have both operational and programming errors as part of the same root problem. …

What is “callback hell” and how can it be avoided?

“Callback hell” is coding with complex nested callbacks. JavaScript provides an easy way of escaping from a callback hell. This is done by event queue and promises.

What are “stubs” in Node.js?

Stubs are functions or programs that affect the…

If a user attempts to create a resource that already exists — for example, an email address that’s already registered — what HTTP status code would you return?

The HTTP 409 Conflict response status code indicates a request conflict with current state of the target resource.

Consider a responsive site…

What do you find challenging about coding?

I find JavaScript to be incredibly difficult. I am waiting for the “aha!” moment I hear so much about. It’s not clicking for me yet and I feel like I fall further behind with every class.

Talk about a project that disappointed you…

Describe one thing you’re learning in class today. Why do you think it will be important in your future web development journey?

We are learning about Object.create() which allows us to create objects with more attribute options like configurable, enumerable, writable and value. …

Describe one thing you’re learning in class today.

We are learning about Regular Expressions. It helps you find keywords or characters that you would have to type out manually.

Can you describe the main difference between a forEach loop and a .map() …

Describe one thing you’re learning in class today.

Today in class we are continuing the lessons on JSON Objects and Arrays. We went over how to access data in complex data structures.

What’s the difference between: function Person(){}, var person = Person(), and var person = new Person()?

function Person() {}

Function Declaration. Declares a function statement (statements perform an action) but does not execute, however, it does get registered into the global namespace.

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What’s something that’s been confusing? How would you explain it to someone else?

Something that is confusing to me is how to write conditional statements. I get mixed up on the order and where to put all the data. If I was explaining conditionals, I would say that a conditional statement checks a specific condition and performs a task based on the conditions…