Building Web Applications in Django | Week 2

Course Name: Django for Everybody

Sub-course: Building Web Applications in Django

Course Link: Django for Everybody

Sub-course Link: Building Web Applications in Django

These are Building Web Applications in Django Week 2 answers Coursera Quiz

Templates and Views

Q1. What does the built-in Django template tag “lorem” do?

Displays the overall number of learning objects
Returns true if there are learning objects on the page
Displays the number of remaining learning objects
Displays random “lorem ipsum” Latin text

Answer: Displays random “lorem ipsum” Latin text

Q2. What does the built-in Django template tag “spaceless” do?

Shows data with a dark blue background and white text
Returns true if the text will fit in a smaller space
Uses a smaller font so text fits into the available space
Removes whitespace between HTML tags

Answer: Removes whitespace between HTML tags

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q3. What does the built-in Django template tag “url” do?

Checks if the provided string is a valid URL
Encodes the provided string using the URL encoding rules
Returns an absolute path reference matching a given view and optional parameters
Emits an anchor (a) tag in the HTML

Answer: Returns an absolute path reference matching a given view and optional parameters

Q4. What built-in Django template filter capitalizes the first character of the value?

toUCFirst
capfirst
toupper
ucfirst

Answer: capfirst

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q5. What does the built-in Django template filter “length” do?

Returns the number of characters produced by the template up to this point
Returns the length of a list but not the length of a string
Returns the length of a string but not the length of a list
Returns the number of words in a string
Returns the length of a list or string

Answer: Returns the length of a list or string

Q6. What does the built-in Django template filter “safe” do?

Marks a string as requiring HTML escaping prior to output
Marks a string as not requiring further HTML escaping prior to output
Exits the template processing and ignores the rest of the template
Locks the next HTML tag so it cannot be modified in a browser debugger

Answer: Marks a string as not requiring further HTML escaping prior to output

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q7. Looking at the Django built-in template and filter documentation, the author seems to have a pet named “Joel”. What kind of animal is their pet?

A cat
A dog
A slug
A bearded gecko

Answer: A slug

Q8. What does the Django built-in template tag forloop.counter represent in a Django template?

The current iteration of the loop (1-indexed)
The number of iterations from the end of the loop (0-indexed)
The current iteration of the loop (0-indexed)
The number of iterations from the end of the loop (1-indexed)

Answer: The current iteration of the loop (1-indexed)

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Tutorial 3

Q1. These questions come from the Django project tutorial materials.
When you see a path with the following pattern in urls.py, path(‘/’, views.detail, name=’detail’),
where in the code does the question_id value parsed from the URL end up?

As an additional parameter to the detail() view
As a global variable in views.py
In the context that is passed to the render engine
As part of the database connection used by the model
In the cookies structure

Answer: As an additional parameter to the detail() view

Q2. What kind of data is passed into a view in the ‘request’ object?

Information about the incoming HTTP request from the browser
A list of all the models available to the application
All the possible combinations of context variables
All of the global Python variables

Answer: Information about the incoming HTTP request from the browser

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q3. Which of the following SQL commands will be run by the Question.objects.values() statement in a view function?

SELECT
INSERT
UPDATE
DELETE

Answer: SELECT

Q4. How do you indicate that a particular question cannot be found in a detail view?

Raise an Http404 exception
Send back an HttpResponse with the text ‘not found’
Send back a blank page
Raise an Http500 exception

Answer: Raise an Http404 exception

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q5. How do you retrieve only the first five objects in a table using a Django model queryZ

Add [:5] to the end of the model query
Add a LIMIT clause to the retrieved SQL
Retrieve all the records and then write a loop to discard all but the first 5
Use an SQL DELETE to remove all the records beyond the first 5

Answer: Add [:5] to the end of the model query

Q6. In Django, why do we add an extra folder (i.e., namespace) our templates?

To make sure there is not a conflict with a template of the same name in a different application
To make it harder to find and edit template files
To make sure that no other application can use a template file
To make it impossible to extend a template from one application in another application

Answer: To make sure there is not a conflict with a template of the same name in a different application

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q7. What is the difference between a list view and detail view?

A list view shows multiple items and a detail view shows only one item
A list view lists all the fields in a model item and the detail view focuses on one field
A list view throws a 404 error but a detail view never throws a 404 error

Answer: A list view shows multiple items and a detail view shows only one item

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q8. What is a “404” error?

It tells a browser that it did not get the page it was looking for
It tells the browser that it needs to redirect to another url
It tells the browser that it lacks the necessary authorization to view the requested page
It tells the browser that something unexpected and bad happened inside the server as it was fulfilling the request

Answer: It tells a browser that it did not get the page it was looking for

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q9. In Django, what is the default language used in HMTL template files?

DTL – Django Templating language
Handlebars
Moustache
HAML
VTL – Velocity Templating Language
JSP – Java Server Pages

Answer: DTL – Django Templating language

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q10. If the “get_object_or_404()” helper function finds the requested item, it returns the item. What happens if it cannot return the item?

It raises an Http404 exception
It returns -1
It returns False
It returns an empty object

Answer: It raises an Http404 exception

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

Q11. Why do we name space URL names using the “app_name” variable in the urls.py file?

In case we have multiple applications with the same named path
To make it harder to write the urls.py file
To make sure that no other application can access our local paths
To make it impossible reference a path from one application in another application

Answer: In case we have multiple applications with the same named path

These are Building Web Applications in Django Week 2 Answers Coursera Quiz

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These are Building Web Applications in Django Week 2 answers Coursera Quiz

Templates and Views

Tutorial 3

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