lesson 3

Question 1

What is port forwarding?

Answer 1

• Port forwarding allows us to open pages in our browser from the web server from our virtual machine as if they were being run locally

Question 2

What is __name__?

Answer 2

• Contains the name of the running application
• This includes the main application running in python and all the imports.
• The application is called “__main__”

Question 3

What is a decorator?

Answer 3

@app.route('/')
def hola():

Calls the hola() function

Question 4

urls with variables

Answer 4

• “path/”

- type can be a string, int, path

Question 5

How to render templates?

Answer 5

• import render_template
• render_template(template.html,variable)
• {% logical code %}
• {{ print }}

Question 6

Make that flask listens to GET and POST

Answer 6

• @app.route(‘restaurants’, methods=[‘GET’,’POST’])

- import request

Question 7

How to redirect to another url?

Answer 7

return redirect(url_for())

Question 8

How to add messages that appear after a certain action is done?

Answer 8

• import flash
• to create the message&raquo_space; flash(“new item created”)
• get_flashed_messages()

Question 9

How to add css, js or media files to flask?

Answer 9

• Put them in a file called static

- To write the route to the file in the use {{url_for(‘static’, filename=’style.css’)}}

Question 10

How to send JSON info through api’s?

Answer 10

1) Create a serialize property in the class MenuItem in database-setup.py
2) import jsonify
3) Add a @app.route and create a function that returns the json