Django Level One

Question 1

What 2 major problems can we solve with Django?

Answer 1

1. Map a requested URL from a user, to the code written to handle it.
2. Create a requested HTML page dynamically using templates that transfer back-end information to the front end.

Question 2

Why use a venv?

Answer 2

It’s like creating a unique workspace where all things added to it are used for the project, and nothing outside of it is.

Question 3

Cmd for creating a venv? what if you want to specify a certain version of python?

Answer 3

conda create –name nameOfEnv django

conda create –name nameOfEnv python=3.5

Question 4

What command returns a list of all the envs installed on your computer?

Answer 4

conda in –envs

Question 5

Commands to activate and deactivate a venv?

Answer 5

conda activate nameOfEnv

conda deactivate nameOfEnv

Question 6

command for installing django into a venv?

Answer 6

conda install django

Question 7

For the command line statements that start with conda, what would they start with if i was not using the conda distribution of python?

Answer 7

pip

Question 8

What is the command line statement for starting a new django project?

Answer 8

django-admin startproject name_of_project

Question 9

Command for running the server.

Answer 9

python manage.py runserver

Question 10

What are migrations?

Answer 10

an automized process of updating database structures, usually done after making changes to an applications models.py file.

Question 11

Define a Django Project in your own words?

Answer 11

The apps and configurations that make up a purposeful functioning website.

Question 12

What is a django application in your own words?

Answer 12

A part of your django project with a specific functionality, ex: workout maker app, workout viewer app, etc..

Question 13

Command for creating a new app:

Answer 13

python manage.py startapp name_of_app

Question 14

After creating an App using the command, what must the app be added to?

Answer 14

The installed apps list in settings.py

Question 15

Each view for the application is represented by …

Answer 15

its own function within the views.py file that takes in request as an argument.

Question 16

list the three arguments in order for the path function used in the urls.py file.

Answer 16

1. The url of the app/page
2. The associated view function
3. the name of the associated html file

Question 17

What does the path() function look like when one is trying to connect url patterns from an app to the urlpatterns of the project?

Answer 17

• arg1: the base url for the app
• arg2: the include() function with the location of the urls.py file for the app as a string. ex: (first_app.urls)
• line 22

Question 18

What are the steps for creating a template directory object in settings.py?

Answer 18

1. Make sure that os is imported
2. Create the template directory object using os.path.join(BASE_DIR, ‘templates’)

Question 19

What do we do with the TEMPLATE_DIR object once it is created?

Answer 19

Pass it into the dictionary contained in the TEMPLATES object in settings.py. should be passed as the value to the ‘DIRS’ key in the form of a list with the first and only item being TEMPLATE_DIR.

Question 20

What goes inside of the template folder?

Answer 20

folders named after the apps of the project to hold the template files for each app.

Question 21

What template tag connects data from a view to an HTML page?

Answer 21

{{ insert_context_key }}

Question 22

What are the 3 args passed into the render() function?

Answer 22

1. The request
2. A string representing the location of the html file being rendered
3. a dictionary of key-value pairs to be used by the html page.
   
   1. This can be a ‘context=’ kwarg or you can straight up pass a dictionary as the last arg.

Question 23

Summarize the 6 step process for creating a new page?

Answer 23

1. create the html file in the appropriate folder
2. create the template directory object and place it into the right data structure in settings.py
3. map out the urlpatterns
4. make sure the apps urlpatterns are referenced in the projects url patterns
5. create the view
6. write the html template code

Question 24

What is the heirarchy of the static directory?

Answer 24

first_level_project_folder > static > images

Question 25

How do you add the static directory to the project settings.py file?

Answer 25

same we did it for the templates directory

Question 26

do you have to create your own STATICFILES_DIRS list object in the settings.py file?

Answer 26

Yes

Question 27

What code must be added to the top (under HTML doctype) to allow content from the static directory to be viewable?

Answer 27

{% load static %}

Question 28

how do you call static files into your HTML document?

Answer 28

Question 29

What is the benefit of the static files directory?

Answer 29

better organization for static files

Question 30

How should you add css files to your static files directory?

Answer 30

static > css > mystyle.css

Question 31

How do you call css files from the static directory?

Answer 31

the same way you would for an image, except you would reference the css folder not the image folder.