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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