Flask

Question 1

What does an API allow different software applications to do?

Answer 1

Communicate with each other

Question 2

What are the HTTP methods used in RESTful Routing, and what CRUD operations do they correspond to?

Answer 2

GET (Read), POST (Create), PUT (Update), DELETE (Delete)

Question 3

Why do we use serialization in web development?

Answer 3

To convert objects into a format that can be easily stored or transmitted

Question 4

What does ORM stand for, and which one is commonly used in Flask?

Answer 4

Object-Relational Mapping, SQLAlchemy

Question 5

What command is used to create migration files, and which one is used to apply them?

Answer 5

flask db migrate, flask db upgrade

Question 6

What method do you call to save changes to the database in SQLAlchemy?

Answer 6

db.session.commit()

Question 7

Which library is commonly used with Formik for form validations?

Answer 7

Yup

Question 8

What are two types of backend validations, and where are they defined?

Answer 8

Constraints and Validates decorator, in the models

Question 9

How would you define a one-to-many relationship in SQLAlchemy?

Answer 9

Using db.relationship and db.ForeignKey

Question 10

What is the main difference between a GET request and a POST request in terms of what they do?

Answer 10

GET requests retrieve data; POST requests send data