How many times do you need to set a cookie for it to persist across a number of incoming requests?

On every response to a POST request

What is the typical approach to making a session identifier?

Use the logged-in user's email address

Compute an MD5 hash of the user's email address

Start at 1 and add 1 for each new session (like a primary key)

How do you set a key of 'abc' to the value 'test' in the session in a Django application?

request.session['abc'] = 'test';

request.session.get('abc', 'test');

request.seesion['abc', 'test'];

What happens when the user passes a login check?

A new record is added to the auth_user table

A new record is added to the auth_group table

What is the purpose of the next parameter on a login or logout URL?

It tells the authentication system where to go after the action is complete

It movies to the next item in a linked list

It indicates which record to start with in a list that exceeds the length of the page

It advances the iteration variable in a for loop

In a Django template, what is stored in the request.path varisble?

The URL of the currently executing request

The actual table name of the model that is currently in use

A string indicating the path to the 'parent' folder

A list of breadcrumbs of recently visited URLs

Which of the following is NOT a benefit of using the Django forms capability?

You can easily create attractively styled forms

You reduce the amount of HTML you need to generate

You can have a mapping layer between your models and templates

You can add complex form validation rules to your application

What happens when a Create form is submitted and Django forms detects a validation error?

The form is re-displayed with the incorrect data

The form is re-displayed with the error messages

The form is re-displayed with the incorrect data and error messages

A 403 (Not authorized) is sent back to the browser

The record is deleted form the database

What does the fields="__all__" statement do in the Meta section of a Django form class?

Indicates that all of the underlying model fields should be in the form

Indicates that none of the model fields are to be saved

Indicates that the owner field is not supposed to be shown to the user when the form is displayed

What is the primary value add of relational databases over flat files?

Ability to scan large amounts of data quickly

Ability to quickly convert data to HTML

Ability to execute JavaScript in the file

Ability to store data in a format that can be sent across a network

Ability to execute Python code within the file

Which of the following is NOT a good rule to follow when developing a database model?

Use a person's email address as their primary key

Never repeat string data in more than one table in a data model

Model each "object" in the application as one or more tables

If our user interface (i.e., like iTunes) has repeated strings on one column of the UI, how should we model this properly in a database?

Make a table that maps the strings in the column to numbers and then use those numbers in the column

Put the string in the first row where it occurs and then NULL in all of the other rows

Encode the entire row as JSON and store it in a TEXT column in the database

Put the string in the last row where it occurs and put the number of that row in the column of all of the rest of the rows where the string occurs

Put the string in the first row where it occurs and then put that row number in the column of all of the rest of the rows where the string occurs

What is a simple rule that captures much of the concepts of "database normalization"?

Don't replicate string data in a column

Don't use any non-standard SQL statements

Do not point to a primary key more than once

Every SELECT statement must use a JOIN clause

What does an "on_delete=models.CASCADE" clause imply in a Model field in Django?

When a row in the parent table is deleted, all the rows in a child table that point to that row via a foreign key are deleted.

When rows in a child table are deleted, the primary key of the corresponding row in the parent table is set to NULL.

Whenever a row is deleted from the table, the other rows are scanned to insure that the logical key is unique and any duplicates are removed.

Whenever a row is deleted, it is moved into a table named "CASCADE".

When you add an index to a field in a database table, how are performance and storage affected?

Read performance is faster, insert performance is slower, and extra storage is required

Read performance is the same, insert performance is faster, and no extra storage is required

Read performance is faster, insert performance is the same, and no extra storage is required

Read performance is the faster, insert performance is faster, and extra storage is required

Why do we insist on producing a delete confirmation screen?

Because a GET request should never modify data

Because Django would not be able to delete the data

To make sure that there are no JavaScript errors

Because a POST request cannot modify data

What does OwnerUpdateView do if a user tries to delete a record that does not belong to them?

It returns a 404 (not found error)

It stops and fails with an error log message

It puts out an error message in the JavaScript console

redirects the user to www.djangoproject.org

Джанго 3

Authored by Ansagan Sailaubek

Computers

University

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Джанго 3

There is no way the end user can see the actual data stored in a password form field

How do radio buttons in HTML associate with each other?

What HTTP response code is sent to a browser when a missing or incorrect CSRF value is detected by Django?

What HTTP code is sent to the browser to redirect it to another page?

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